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Section 1 TOYOTA CULTURE Toyota Toyota, from its beginning to the present, has followed its original goal of continuous improvements. Learning Objectives: 1. Upun completing Toyota Culture, you will be able to: • Recognize how Toyota’s history contributes to its current success. • Identify the function of each of Toyotas U.S. operations. 2. Given a Toyota vehicle line (passenger vehicle truck, etc.) you will be able to identify that line’s features and characteristics. Technical Introduction to Toyota - Course 021 1 Section 1 Sakichi Toyoda In 1891, Sakichi Toyoda starts designing and making l...
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Section 1 TOYOTA CULTUREToyota Toyota, from its beginning to the present, has followed its original goal of continuous improvements. Learning Objectives: 1. Upun completing Toyota Culture, you will be able to: • Recognize how Toyota’s history contributes to its current success. • Identify the function of each of Toyotas U.S. operations. 2. Given a Toyota vehicle line (passenger vehicle truck, etc.) you will be able to identify that line’s features and characteristics. Technical Introduction to Toyota - Course 021 1, Section 1 Sakichi Toyoda In 1891, Sakichi Toyoda starts designing and making looms. Pre-Automotive Toyota’s history began in 1891 when Sakichi Toyoda started designing Toyoda and making looms in Japan. In 1894, Toyoda designed and built his 1890-1920 first automatic loom and after several rough starts, he formed the Toyoda Automatic Loom Works to manufacture looms for the Japanese and eventually worldwide textile markets. Early Automotive In 1920, Sakichi’s son, Kiichiro, joined the company. Kiichiro, like his Toyota father before him, had seen automobile manufacturing in the United States and wanted to produce cars in Japan. His goal was to mass−produce an inexpensive passenger car. Toyota AA The AA was Toyota s first domestically produced automobile. 2 TOYOTA Technical Training, Toyota Culture 1934, the first Toyoda engine was developed–a 6−cylinder that produced 65 horsepower. The first prototype automobile, the A1, followed in 1935. The vehicle was tested and improved daily, an example of Kaizen", which means continuous improvement. This is the heart of Toyoda’s philosophy. The result of all this hard work was the AA, Toyoda’s first domestically produced automobile. Toyoda now had to market and sell the vehicles it was about to produce. It was decided that a new name was needed and after a company−wide contest was held, the name Toyota was chosen, because it took fewer brush strokes to write than Toyoda. Throughout the late 30’s and early 40’s, Toyota improved it’s manufacturing process by adopting a just in time" concept and standardizing the work. This improved efficiency and quality. In Japan, Toyota sales continued to improve through the 1950’s. Sales went from 22,000 units in 1955 to 71,000 units in 1957, with 70% of the sales coming from trucks. The Toyota Crown was introduced in 1955. Its large engine made it very popular with Japan’s taxi drivers. Throughout this timeframe, Toyota continued to improve it’s design and manufacturing processes, getting away from some of the borrowed" technology from the past. In the late 50’s and early 60’s, Toyota expanded rapidly overseas exporting to Latin America, Southeast Asia, Africa, Europe and the United States. In 1966, Toyota exported just over 100,000 units. By 1971, that figure grew to almost 800,000. Technical Introduction to Toyota - Course 021 3, Section 1 Toyota Motor Sales, USA The first office of Toyota Motor Sales was located in Hollywood, CA. Toyota Motor On October 31, 1957, Toyota Motor Sales of America was established in Sales, USA a defunct Rambler dealership in Hollywood, California. Toyopet Crown The Toyopet Crown was introduced to the U.S. in 1957. Toyopet Crown The Toyopet Crown was introduced to the U.S. during this time. Designed for the Japanese market, only 287 vehicles were sold in 1958. Even though Toyopet sales were disappointing, the Land Cruiser, a strong seller throughout the world, sold well in the U.S. 4 TOYOTA Technical Training, Toyota Culture Toyota Corona In 1965, the Corona was introduced to the United States. Corona Toyota decided to develop a vehicle specifically for the American market, the Corona. Introduced in 1965, it marked a new beginning for Toyota in America. In 1966, more Toyotas were sold in the U.S. than in all previous years combined. By mid−1967, the Corona was the third best selling import in the U.S. and established Toyota’s reputation for dependability and quality. New U.S. In February of 1967, Toyota moved to new headquarters in Torrance, Headquarters California, greatly expanding its ability to meet the growing demand for Toyota vehicles in the U.S. Technical Introduction to Toyota - Course 021 5, Section 1 Toyota Corolla The Corolla delivers quality and economy in 1968. Corolla Introduced in 1968 and equipped with front disc brakes, an available automatic transmission and A/C, the Corolla delivered the combination of quality and economy that was Toyota’s hallmark. Toyota’s Growing From 1974 through 1977, the Corolla was the best selling car in the Reputation world. In 1976, Toyota surpassed Datsun in the combined car and truck market, in part, due to the introduction of the Corolla Liftback and Celica GT Liftback. In 1977, Toyota celebrated its 20th year in the U.S. and sold its millionth vehicle in America. Toyota was firmly established as a leader in quality, dependability and value, a reputation that it continues to strengthen today. 6 TOYOTA Technical Training, Toyota Culture Toyota Assembly line Not just a worker, but a team member responsible for the continuous improvement philosophy. Toyota Production Throughout its history, Toyota has always worked to improve its System production quality and economy, through the just−in−time" philosophy 1980-1990 and Kaizen" meaning continuous improvement. In 1986, Toyota sold more than 1,000,000 vehicles in the U.S. At the heart of the Toyota Production System is responsibility. Workers are organized into teams with each team member responsible for quality inspections, problem solving and ideas for continuous improvement. Any worker can stop the assembly line if a problem is detected. The Toyota Production System is used at the New United Motor Manufacturing, Inc. (NUMMI) plant in Fremont, CA, a joint venture with General Motors. Vehicles produced at NUMMI include Corolla and Tacoma for Toyota and Chevrolet Prizm for General Motors. U.S. Manufacturing In addition to the NUMMI plant opened in 1984, Toyota opened Toyota Motor Manufacturing Kentucky (TMMK) in Georgetown, Kentucky which builds Camry, Avalon, Camry Wagon and Sienna. The Princeton, Indiana plant opened in 1998 and produces the full−size Toyota Tundra pick−up and Sequoia. Technical Introduction to Toyota - Course 021 7, Section 1 Camry The Toyota Camry has become the Corolla of the 90’s. This mid−sized vehicle, available with a range of options, became the best selling car in the United States in 1997. Tundra A successor to the T100, Toyota launched its first V8−powered full−size pick−up, the Tundra. Lexus Model The Lexus brand is a result of the continuous improvement philosophy. Introduction of In 1990, Toyota introduced its Lexus brand proving to the world that a Lexus Japanese automaker is capable of making a world−class luxury car. The Lexus brand is continuously ranked at the top of the J.D. Power Customer Satisfaction and Vehicle Quality surveys. 8 TOYOTA Technical Training, Toyota Culture Toyota in the U.S.A. The 12 regions assist the dealership network in the United States. Toyota in America Toyota Motor Sales, Inc. is an American company in charge of overseeing the sales and service efforts of Toyota in the United States. There are 12 regions, each responsible for the dealer network in their area; Boston, New York, Central Atlantic, Southeast, Cincinnati, Chicago, Kansas City, Gulf States, Denver, Portland, San Francisco and Los Angeles. It’s these regions that assist the most important part of the Toyota family, our dealers and ultimately you. The North American representative for Toyota Motor Corporation, our Japanese parent company, is located in New York City. Technical Introduction to Toyota - Course 021 9, Section 1 Regional Training Centers There are 12 regional training centers, along with vocational schools and community colleges, to better serve dealerships.
Regional Training Toyota maintains 12 Regional Training Centers across the country. In Centers addition, technical training courses are also held in remote facilitiessuch as vocational schools and community colleges. 10 TOYOTA Technical Training, Toyota Culture Design, Research and Development From the dsign table to vehicle evaluation and certification, it s all here in the United States. Design, Research Designing vehicles in the United States is an important part of and Development Toyota’s North American operations. • Toyota Technical Center, U.S.A. in Ann Arbor, Michigan, conducts research and development on new vehicles. • Toyota Technical Center, U.S.A. in Southern California, performs vehicle and powertrain evaluations and California emissions certification. • Toyota Arizona Proving Ground provides the opportunity to test and evaluate new vehicles. • Calty Design Research Center in Newport Beach, California is responsible for new vehicle design in the United States. Technical Introduction to Toyota - Course 021 11, Section 1 Manufacturing Vehicles and components produced in North America take place in the U.S. and Canada. Manufacturing Toyota Motor Manufacturing, North America, operates plants throughout the United States and Canada. Headquartered in Erlanger, Kentucky, Toyota Motor Manufacturing is responsible for all manufacturing operations in the United States and Canada. Additional manufacturing facilities include: • New United Motor Manufacturing in Fremont, California, which builds Tacoma and Corolla. • Toyota Motor Manufacturing, Indiana, which builds Tundra trucks, Sequoia and Sienna. • The West Virginia Facility manufactures 4−cylinder engines. • TABC located in Long Beach, California, produces truck beds, catalytic converters, coated substrates and steering columns. • Bodine Aluminum in St. Louis and Troy, Missouri, make cast aluminum parts including intake manifolds and cylinder heads. • The Georgetown, Kentucky plant is Toyota’s largest facility in North America. The plant is responsible for building Avalon and Camry. • Toyota Motor Manufacturing, Canada, is responsible for the production of Corolla and Solara. There is also a Toyota Industrial Equipment Manufacturing plant in Columbus, Ohio, which manufactures forklifts. 12 TOYOTA Technical Training, Toyota Culture Corporate All in all, as of 2000, Toyota has invested more than $10.2 billion in Investment United States facilities and employees and has purchased over $10.3 billion in parts. In addition, Toyota dealerships have invested more than $7 billion in local economies throughout the country. Toyota employs almost 27,000 people in the United States and accounts for nearly 95,000 dealership related jobs. All totaled, Toyota’s commitment in the United States has generated more than $21 billion in direct investments and parts purchases and accounted for more than 121,000 jobs. Technical Introduction to Toyota - Course 021 13, Section 1 Vehicle Design and Characteristics Quality and value are characteristics that make Toyota vehicles second to none. Vehicle Design Toyota vehicle designs range from 2WD passenger cars to 4WD trucks. and Characteristics Passenger car and truck segments include: • Compact cars • Sedans – Mid−Size – Full−Size • Sports Cars • Mini Vans • Trucks – Small – Full−Size • SUV – Compact – Mid−Size – Full−Size 14 TOYOTA Technical Training, Toyota Culture Passenger Car Engines Continuous improvements, like TCCS and VVT, have made passenger car engines the most efficient and powerful engines to date.
Passenger Car Toyota passenger car engines are either 4−cylinder, 16−valve or V6, Engines 24−valve and include the following features:• On−Board Diagnostics II (OBD II) engine controls • Variable Valve Timing for enhanced performance • Distributorless Ignition for precise ignition control and reliability • Optional Turbocharger or Supercharger Technical Introduction to Toyota - Course 021 15, Section 1 Transmission/Transaxles Passenger car transmissions range from the 5-speed manual to the electronically controlled automatic transmission.
Passenger Car All Toyota passenger cars use one of the following transmission types: Transmissions/ Transaxles • 5−Speed Manual• 6−Speed Manual • 3−Speed Automatic • 4−Speed Electronically Controlled Automatic (ECT) • 4−Speed ECT−i (intelligence) • 4−Speed Sportshift ECT for performance shifting from the steering wheel 16 TOYOTA Technical Training, Toyota Culture Passenger Car Chassis To improve handling, safety and performance, different systems like ABS, traction control and power rack and pinion steering are added to the chassis.
Passenger Car In addition to uni−body construction, Toyota passenger car chassis Chassis include:• Power Rack and Pinion Steering (variable−assist) • Fluid−Filled Engine Mounts • 4−Wheel Disc Brakes • Anti−Lock Braking System • Traction Control • Vehicle Skid Control Technical Introduction to Toyota - Course 021 17, Section 1 Passenger Car Safety Features Seat belts and airbags are all critical for passenger safety. Passenger Car All Toyota passenger cars are equipped with front airbags as standard Safety Features equipment. Driver and front passenger side airbags are available for additional safety. ELR/ALR Toyota seatbelts use 2 types of retracting mechanisms: 1. ALR = Automatic Locking Retractor 2. ELR = Emergency Locking Retractor Note that seatbelts in some vehicles include pretensioner and force limiter. 18 TOYOTA Technical Training, Toyota Culture Truck Engines Continuous improvements in truck engines have resulted in greater power and efficiency.
Truck Engines Available truck engines include:• 4−Cylinder, 16−Valve • V6, 24−Valve • V8, 32−Valve Each engine uses On−Board Diagnostics II (OBD II) and a distributorless ignition system. Technical Introduction to Toyota - Course 021 19, Section 1 Truck Transmissions Manual and automatic transmissions are available on trucks.
Truck Transmissions Transmissions available on Toyota trucks include:• 5−Speed Manual • 4−Speed ECT • 4−Speed ECT−i Truck Chassis Trucks can have different front suspension design types.
Truck Chassis Toyota trucks use the following Front Suspension types:• MacPherson Strut • Double Wishbone 20 TOYOTA Technical Training, Toyota Culture Brake Systems Truck brake systems are either disc/drum or 4-wheel disc type.
Brake Systems Brake systems used on trucks include:• Disc/Drum • 4−Wheel Disc • ABS (Anti−Lock Braking System) • EBD (Electronic Brake Distribution) • VSC (Vehicle Skid Control) • BA (Brake Assist) • Active Traction Control Rear Suspensions Solid axle with leaf springs is a common rear suspension, but there are several other types. Examples of these are: 4-link with coil springs, independent strut, and solid axle with coil springs.
Rear Suspensions Rear suspension types include:• 4−link Coil Spring • Independent Strut Type • Solid Axle with Coil Springs • Solid Axle with Leaf Springs Technical Introduction to Toyota - Course 021 21, Section 1 Truck Powertrains There are many powertrain types and features. Truck Powertrains Toyota trucks are available with the following powertrain types and features: • 2WD • 4WD • Torque Sensing Limited Slip Differential • All−Trac (4WD) • 4Wheel On−Demand • Touch−Select 4WD • Multi−mode 4WD with Active Traction Control Truck Safety Features Safety is always a priority with Toyota. Truck Safety The following safety features can be found on Toyota trucks: Features • ELR/ALR Seatbelts • Seatbelt Pretensioners and Force Limiters • Driver and Front Passenger Airbags • Side Airbags • Curtain Shield Airbags • Passenger Side SRS Airbag Cut−Off Switch 22 TOYOTA Technical Training, Toyota Culture Truck Features Truck features include: access cab, TRD package and towing package, as well as many others.
Truck Features Toyota trucks are available with the following features:• Standard cab • Xtracab (extended cab) • Access Cab (extended cab with rear access doors) • Double Cab (4−door) • Toyota Racing Development (TRD) Package • Towing Package
End of Section 1Technical Introduction to Toyota - Course 021 23,
Section 2 Toyota TechnologyToyota Technology Toyota technology is on a continually improving path. Learning Objectives: 1. Given a vehicle component or system, you will be able to identify the primary variations of the component or system that Toyota uses. 2. Given a service scenario, you will be able to identify the best technical resource available and locate the information required to repair the vehicle. 3. Identify the steps of the Six−Step Diagnostic Process and when to apply them. 4. Access Diagnostic Trouble Codes using the Toyota Diagnostic Tester. 5. Erase Diagnostic Trouble Codes using the Toyota Diagnostic Tester. 6. Identify the major steps of the Pre−Delivery Service procedure. 24 TOYOTA Technical Training, Toyota Technology Toyota’s Engine Technology Automotive engines efficiently generate higher power output while meeting todays emission standards.
Introduction This section provides an overview of major elements of Toyota’sautomotive technology. These elements include: • Engines • Engine Control and Emissions Systems • Transmissions • Drivelines • Chassis Technical Introduction to Toyota - Course 021 25, Section 2 Identifying Engines Engine codes are used to identify engine family, fuel system or type, valvetrain angle, turbocharging or supercharging.
Engine Codes Toyota uses engine codes to identify engines by design generation,engine family and other characteristics. 26 TOYOTA Technical Training, Toyota Technology Engines 4-Cylinder Engines The small DOHC 4-cylinder generates high power output with excellent fuel economy. In-Line 4-Cylinder The in−line 4−cylinder, the smallest engine design offered by Toyota, balances power with fuel economy. As with all Toyota engines, the 4−cylinder engine design features dual overhead camshafts (DOHC), four valves per cylinder, and electronic fuel injection (EFI). Features include: • Rapid burn/Taper squish combustion chambers • Low tension piston rings • Short skirt pistons • Shim and/or bucket valve adjustment • Variable Valve Timing (VVT−i/VVTL−i) • Select fit main and rod bearings • Balance shafts Technical Introduction to Toyota - Course 021 27, Section 2 Primary 4-Cylinder Code Displacement Engine Codes 1NZ−FE 1.5L 1ZZ−FE 1.8L 2ZZ−GE 1.8L 2RZ−FE 2.4L 3RZ−FE 2.7L 3S−FE 2.0L 3S−GE 2.0L 5S−FE 2.2L 5S−FNE 2.2L* 1AZ−FE 2.0L 2AZ−FE 2.4L 22−RE 2.4L *Runs on compressed natural gas 28 TOYOTA Technical Training, Toyota Technology In-Line 6-Cylinder Engines In-line 6-cylinder engines are mainly used on full-size sport utility vehicles and sports cars. In-Line 6-Cylinder In−line 6−cylinder engines have been used in sports cars and full−size sport utility vehicles. Most modern 4−cylinder engine features and characteristics apply to the in−line 6−cylinder. Primary In-Line Code Displacement 6-Cylinder 7M−GE 3.0L Engine Codes 7M−GTE 3.0L 2JZ−GE 3.0L 2JZ−GTE 3.0L 1FZ−FE 4.5L Technical Introduction to Toyota - Course 021 29, Section 2 24-Valve V6 Engines 24-valve V6 engines produce high power output. V6 Engine The 24−valve V6 engine is the high−end option for power and performance in some Toyota trucks. Again, most of the 4−cylinder engine characteristics covered earlier apply to the V6 engine. Truck engines come with either single or double overhead camshafts, while passenger cars use the double overhead camshaft design only. Primary V6 Code Displacement Engine Codes 3VZ−E 3.0L 3VZ−FE 3.0L 2VZ−FE 2.5L 1MZ−FE 3.0L 5VZ−FE 3.4L 30 TOYOTA Technical Training, Toyota Technology 32-Valve V8 Engines V8 engines with 4 valves per cylinder generate the highest level of horsepower and torque. V8 Engine The 32−valve V8 is the largest engine Toyota markets in North America. The 4.7L engine is Toyota’s top−of−the line option for power and performance, and includes such features such as DOHC, sequential multi−port fuel injection and an electronic throttle control system. Primary V8 Code Displacement Engine Codes 2UZ−FE 4.7L Technical Introduction to Toyota - Course 021 31, Section 2 Engine Control Toyota vehicles are designed so that the engine constantly receivest he and Emissions precise air/fuel mixture to operate efficiently and to meet all government standards. Systems that assist in these functions include the following: • Air induction • Fuel delivery • Ignition • Feedback • Emissions Air Induction System After the air intake amount is detected by a sensor, the ECM calculates the correct amount of fuel. Air Induction System The air induction system filters, measures, and delivers air to the engine. Air Cleaner and Air Flow Meter Air passing through to the intake manifold is measured directly by the airflow meter. Air Cleaner The air cleaner filters the air to remove debris. Filtering elements are designed for specific applications to provide optimum performance. 32 TOYOTA Technical Training, Toyota Technology
Air Flow Meter An air flow meter measures the volume of air flowing through it.Toyota engines that have the L−Type EFI system use either a vane type or Karman vortex design. Manifold Absolute Pressure Sensor A Manifold Absolute Pressure (MAP) sensor uses a silicone chip mounted inside a reference chamber to measure intake manifold pressure. As the silicone chip changes its resistance with changes in pressure, the ECM calculates the correct amount of fuel injection.
Manifold Pressure A Manifold Absolute Pressure (MAP) sensor uses a silicon chip Sensor mounted inside a reference chamber to measure intake manifoldpressure. The silicon chip changes its resistance with changes in pressure, thereby altering the voltage signal. Based on the change in resistance, the ECM can calculate the correct amount of fuel to inject and when to ignite the cylinder. Toyota engines that have the D−type EFI system use this type of sensor. Mass Air Flow Sensor The Mass Air Flow (MAF) sensor uses a platinum hot wire that converts the amount of air drawn into the engine into a voltage signal. Based on the intake air volume, the ECM can determine the required amount of fuel injection. Intake Air Hot Wire Temp. Sensor Thermistor
Mass Air Flow The newer, and more common air flow measuring device is the Mass Sensor Air Flow (MAF) sensor. The MAF sensor uses a platinum hot wire thatconverts the amount of air drawn into the engine into a voltage signal. Based on the intake air volume, the ECM can calculate engine load and determine how much fuel injection is required and when to ignite the cylinder. Technical Introduction to Toyota - Course 021 33, Section 2 Throttle Body The throttle body houses the throttle valve, which controls the amount of air flowing into the engine.
Throttle Body The throttle body houses the throttle valve, which controls the airintake volume during normal engine operation. 34 TOYOTA Technical Training, Toyota Technology Idle Speed Control The throttle body contains the throttle plates, throttle position sensor and idle speed control motor to control idle speed.
Idle Speed Control To control idle speed, the throttle body incorporates the following:• Idle Air Control Valve • Throttle Position Sensor • Idle Speed Control Motor Technical Introduction to Toyota - Course 021 35, Section 2 Air Intake The air intake chamber contains an air intake control valve. This valve is activated by ACIS which is used to alter the intake pipe length to improve engine performance in all speed ranges.
Induction System The air intake chamber delivers air from the throttle body to the intakemanifold. On Toyota engines, the air intake chamber and intake manifold may be separate components or integrated. Toyota induction system features include: • Throttle Body • Acoustic Control Induction System (ACIS)
Intake Manifold Air velocity increases as it passes through long, narrow runners in theintake manifold before entering the combustion chamber. Some engines use a variable length intake runner system for improved performance in all speed ranges. 36 TOYOTA Technical Training, Toyota Technology Boosting Horsepower Engine horsepower can be increased by either turbocharging or supercharging. Turbochargers/ Some Toyota engines use a single or twin turbocharger to boost engine Superchargers horsepower. A turbocharger is an air pump driven by exhaust gases that forces more air into the cylinders. Toyota turbochargers use engine oil for lubrication. A supercharger also pumps more air into the cylinders but is mechanically driven by a V−belt. Toyota superchargers require special oil for lubrication and must be checked periodically. Technical Introduction to Toyota - Course 021 37, Section 2 Fuel System The fuel system needs to deliver the correct volume of fuel to the cylinders under all operating conditions. Fuel System The fuel system stores, filters, regulates pressure, and delivers fuel to the fuel injectors. Excessive fuel that is not delivered to the injectors is returned to the fuel tank. Toyota uses two types of fuel return systems. 1. Return Fuel Delivery System This system delivers fuel to the fuel rail and returns excessive fuel volume back to the tank by a fuel return line. 2. Returnless Fuel Delivery System This system uses a single fuel delivery line to the injectors and pumps the excessive pressure directly back into the tank. Fuel Injector The ECM determines when and length of time that the fuel injectors operate. Fuel Injector A fuel injector is an electromechanical device that meters, atomizes, and directs fuel into the intake manifold, based on electrical signals from the ECM. Depending on the vehicle the injectors can be fired in groups, simultaneously or individually in sequence. When servicing or diagnosing injector circuits always use the proper technical resources for diagnostic information. 38 TOYOTA Technical Training, Toyota Technology Ignition System The ignition system on a gasoline engine sends voltage to the spark plugs just prior to or at peak compression. Ignition System In EFI controlled systems such as the Toyota Computer Control System (TCCS), the ignition system uses sensors to time the spark correctly. These sensors include the camshaft position sensor and the crankshaft position sensor. Camshaft Position The camshaft position sensor (CMP) detects rotation of the camshaft, Sensor which is used to determine cylinder position and engine speed. This is also referred to as the G signal. Crankshaft Position Similar to the CMP, the crankshaft position sensor (CKP) sends out a Sensor signal based on the rotation of the crankshaft. This signal is also referred to as the NE signal. Distributor System In a distributor ignition system, the ECM controls spark timing electronically, using signals from sensors and engine speed. Some earlier vehicles used an igniter located in the distributor while others used an external mounted igniter. Technical Introduction to Toyota - Course 021 39, Section 2 Simultaneous Ignition A simultaneous ignition system fires two spark plugs at the same time, but one does not affect combustion. Direct Ignition System In a direct ignition system, each spark plug has its own ignition coil with igniter.
Direct Ignition Direct Ignition Systems (DIS), come in two configurations. Systems1. Independent − one ignition coil per cylinder 2. Simultaneous − one ignition coil for two cylinders. In this system the ignition coil is mounted directly to one spark plug and a high−tension cord is connected to the other spark plug. 40 TOYOTA Technical Training, Toyota Technology Electronic Spark Advance With constant engine changes such as speed, load and temperature, spark timing is electronically adjusted constantly.
Electronic Spark The electronic spark advance system provides the engine with ideal Advance (ESA) ignition timing characteristics. The ECM determines optimum ignitiontiming based on sensor inputs for all engine running conditions. Technical Introduction to Toyota - Course 021 41, Section 2 Knock Sensor To increase combustion chamber efficiently, knock sensors are used to signal the ECM of engine detonation.
Knock Sensor Knock sensors signal the ECM when engine detonation (knock) occurs,and the ECM adjusts spark timing until the knocking stops. 42 TOYOTA Technical Training, Toyota Technology Feedback System Oxygen Sensors To maintain proper air/fuel mixture, oxygen sensors detect the amount of air in the exhaust and then signal the ECM with a corresponding millivolt signal. Oxygen Sensors Oxygen sensors measure the amount of oxygen in the exhaust and indicate combustion efficiency and catalytic converter operation. Toyota engines use two types of oxygen sensors, zirconium dioxide and titanium oxide. Oxygen sensors are used to monitor exhaust gases before the catalytic converter for proper air/fuel mixture and after the catalytic converter to monitor converter efficiency. Engine Control Module The ECM is an information processing center because it sends and receives signals. Engine Control The Engine Control Module (ECM), or Engine Control Unit (ECU), is Module the brain" of the modern engine and continuously monitors and adjusts engine control systems to achieve optimal engine performance and fuel economy while minimizing harmful emissions The ECM continuously checks sensor signals and some output signals to verify and memorize proper operation. If a malfunction is detected, the ECM may illuminate the Malfunction Indicator Lamp and store a diagnostic trouble code in its memory. Disconnecting the battery will erase this memory. If the ECM loses a sensor signal or determines that a sensor is unreliable, it substitutes a preset value, called a fail−safe value, to control engine operation. Technical Introduction to Toyota - Course 021 43, Section 2 Open Loop During open loop operation, the ECM does not acknowledge any signals from the oxygen sensor.
Open Loop During open loop operation, the ECM adjusts the air/fuel ratioaccording to a preset program. Signals from the oxygen sensor are ignored. This is necessary for good driveability when the engine is cold or under heavy load. Closed Loop During closed loop operation, the oxygen sensor is always signaling the ECM along with the other sensors, so the ECM can continuously adjust the air/fuel mixture.
Closed Loop During closed loop operation, the ECM adjusts the air/fuel ratio basedon signals from the oxygen sensor. Closed loop operation is used when the engine is running at a warm idle or under normal cruising conditions. 44 TOYOTA Technical Training, Toyota Technology Emission System The crankcase, fuel tank and exhaust are all sources of emissions. It is the function of the emission control system to eliminate or minimize the byproducts of these emission sources.
Emission System The purpose of the Emission Control System is to control the emissionsand exhaust emitted from the vehicle. It is designed to convert the harmful gases into harmless ones and to reduce damage to the environment. Technical Introduction to Toyota - Course 021 45, Section 2 Exhaust Gas Recirculation The EGR valve routes a small amount of exhaust gases to the intake manifold where it lowers combustion temperature and pressure and reduces NOx.
Exhaust Gas The EGR system diverts small amounts of exhaust gases into the Recirculation intake manifold to lower combustion temperature and pressure andreduce harmful NOx emissions. Evaporative Emission Controls A well sealed evaporative system will function extremely efficiently because all vapors are recirculated back into the intake manifold.
Evaporative Evaporative controls capture vapors from the fuel system and send Emission Controls them to the intake manifold, where they are burned in the engine andprevented from escaping into the atmosphere. 46 TOYOTA Technical Training, Toyota Technology Positive Crankcase Ventilation (PCV) The PCV system uses manifold vacuum to draw harmful vapors from the crankcase into the intake manifold.
Positive Crankcase The positive crankcase ventilation (PCV) system removes harmful Ventilation vapors that slip past (or blow−by") the piston and collect in thecrankcase. The PCV system uses manifold vacuum to draw these harmful vapors into the intake manifold. Catalytic Converter The catalytic converter not only converts harmful gases into harmless gases, it also operates quickly, and produces low exhaust backpressure.
Catalytic Converter The catalytic converter is an emission control device that is part of theexhaust system that helps reduce tailpipe emissions. Technical Introduction to Toyota - Course 021 47, Section 2 Transmissions A transmission is a device that transmits power from the engine to the drive wheels. This power, or torque, is varied by the transmission either manually or automatically. Transmissions are designed to drive either the front or rear wheels. Electronically-Controlled Automatic Transmission The electronically-controlled automatic transmission is shifted by the ECM. Electronically In an electronically−controlled transmission an ECM, or ECU, adjusts Controlled the shift intervals based on the vehicle speed, gear position and Transmission throttle opening. An ECT is virtually identical to a hydraulically (ECT) Features controlled transmission with the addition of electrical components. Toyota vehicles use several types of automatic transmissions and must use the correct fluid to operate properly. Features of the ECT include: • Engine Control Module • Power/Economy modes • Sport Shift Automatic Transmission Codes Automatic transmission codes provide specific information of a transmission. 48 TOYOTA Technical Training, Toyota Technology Manual Transmission The manual transmission transmits engine torque that can be varied by manual selection of a gear ratio.
Manual Transmission Toyota manual transmissions feature: Features• Sport−like shifting • Fully−synchronized forward gears for smooth shifting • A hydraulic clutch system Rear Wheel Drive Rear wheel drive vehicles have a differential gear unit in the rear axle housing that redirects power from the drive shaft to the rear wheels.
Drivelines The driveline is the set of components that transfers power from theengine to the drive wheels and come in three different configurations: • Front wheel drive (FF) • Rear wheel drive (FR) • 4−wheel drive (4WD) Technical Introduction to Toyota - Course 021 49, Section 2 Differentials The differential will send engine torque to the drivewheels and increase the torque by providing a final drive gear reduction.
Standard Differential A differential is a gear assembly that transfers power from the driveshaft to the drive wheels. A standard differential transfers more power to the drive wheel that has less traction. Limited Slip Differential A Limited Slip Differential has all of the same components as a conventional differential but is designed to transfer power to the drive wheel with the best traction.
Limited Slip To improve traction, a limited slip differential transfers power to the Differential drive wheel with the best traction. When one drive wheel losestraction, the differential will transfer more power to the opposite drive wheel. 50 TOYOTA Technical Training, Toyota Technology Automatic Disconnecting Differential (A.D.D.) A.D.D. allows the front differential to engage into H4 position from the H2 position while the vehicle is moving.
Automatic As the transfer lever is shifted from H2 to H4, the A.D.D. system uses Disconnecting a vacuum operated shift fork which moves a sleeve to engage the front Differential axle shaft to the front differential.Technical Introduction to Toyota - Course 021 51, Section 2 4-Wheel Drive (4WD) 4WD transfers engine torque to all four wheels by way of a transfer case. 4-Wheel Drive In 4WD, the driveline uses a transfer case (or similar device) to transfer power to all four wheels. 4WD offers superior traction and power for off−road driving, and comes in part or full−time versions. Part-Time 4WD Part−time 4WD operates in 2WD most of the time and allows the driver to switch to 4WD as needed. Some part−time 4WD systems require the driver to stop the vehicle and lock the front wheel hubs manually to operate in 4WD. Full-Time 4WD Full−time 4WD systems operate in 4WD drive at all times and use an extra (center) differential device to absorb differences in driveshaft rotation rates. On-Demand 4WD On−demand 4WD is a part−time 4−wheel driveline that can switch between 2WD and 4WD without stopping the vehicle. This is often referred to as shift on the fly" 4WD. One-Touch Some Toyota vehicle’s have a Touch Select" 4WD switch. The switch Hi-4 Selector operates an on−demand transfer system that allows the driver to select between 2WD and 4HI and between 4HI and 4LO at the touch of a button. Automatic A.D.D. allows the front differential to engage into H4 position from the Disconnecting H2 position while the vehicle is moving. This system uses a vacuum Differential (A.D.D.) operated shift fork which moves a sleeve to engage the front axle to the front differential. 52 TOYOTA Technical Training, Toyota Technology Traction Control The traction control system is designed to prevent the drive wheels from slipping on acceleration and improve vehicle stability.
Traction Control The traction control system prevents the drive wheels from slipping onacceleration by means of controlling brake application and reducing engine power. Technical Introduction to Toyota - Course 021 53, Section 2 Chassis The chassis consists of the frame, suspension, steering, tires and wheels. Toyota has several suspension systems, including: • 4−Wheel Independent • Independent Double Wishbone • Torsion Beam • Solid Rear Axle with Leaf Springs • 4−Link with Coil Springs Independent Suspension Independent suspension enhances riding comfort, handling stability and control characteristics. 4-Wheel 4−wheel independent suspension allows each wheel to react Independent independently to bumps and potholes, enhancing handling and control. Suspension Many Toyota independent suspensions use struts. Alignment Angles On most Toyota vehicles with strut suspensions, the only adjustable alignment angles are camber and toe. Refer to your Technician Reference Cards for vehicle adjustments and specifications. 54 TOYOTA Technical Training, Toyota Technology Independent Double Wishbone Suspension The Independent Double Wishbone Suspension is designed to reduce unsprung weight and provide better vehicle handling.
Independent This type of suspension uses ball joints, unequal length control arms, Double Wishbone steering knuckle and spindle. Suspension Alignment Angles On most double wishbone front suspensions, caster, camber and toe areadjustable. Technical Introduction to Toyota - Course 021 55, Section 2 Torsion Beam Suspension The left and right wheels are connected by a flexible beam. Torsion Beam Some Toyota vehicles use a non−independent torsion beam rear Suspension suspension, which allows precise up and down rear wheel movement. Equipped with coil springs, torsion beam suspension provides excellent vehicle control. Rigid Axle with This suspension type uses leaf springs to mount a rigid axle to the Parallel Leaf Springs vehicle. Leaf springs are simple, rugged, and capable of supporting large payloads. The Tacoma and Tundra use this type of rear suspension design. Alignment Angles There are no adjustable angles on rigid axle suspension designs. 56 TOYOTA Technical Training, Toyota Technology 4-Link Suspension Axle positioning and load suspension are handled separately in this type 4-Link Suspension This rear suspension design delivers a comfortable ride and provides good load−carrying capacity. Toyota vehicles such as the 4Runner use this design to enhance off−road performance.
Alignment Angles There are no adjustable angles on 4−link rear suspension systems.Technical Introduction to Toyota - Course 021 57, Section 2 Brake Systems The basic principles of energy conversion and hydraulics apply to all brake systems. Brake Systems Braking systems use the friction of the tires against the road to slow and stop a moving vehicle. There are two types of braking systems: • Conventional • Anti−Lock Braking System (ABS) Conventional Toyota vehicles offer 2 conventional brake configurations: 1. 4−wheel disc brakes 2. Front disc/rear drum brakes. Other features include: • Ventilated disc brake • Diagonal split system on FWD models • Self−adjusting brake mechanism • Load−Sensing Proportioning Valve (LSPV) 58 TOYOTA Technical Training, Toyota Technology Anti-Lock Braking System (ABS) ABS modifies hydraulic pressure by using electric solenoids. During hard braking conditions, ABS prevents wheel lock-up and provides better directional control.
Anti-Lock The Anti−Lock Braking System (ABS) is a computer−controlled system Braking System that regulates braking pressure to help avoid wheel lockup during hardbraking and provide better steering control. ABS is available on most Toyota vehicles. Anti−Lock Braking System features: • 1, 3 and 4 sensor systems • 1, 3 and 4 channel systems • G" sensors on 4WD/AWD vehicles • Self−Diagnosis system Supplemental Restraint System (SRS) From the point of collision to airbag deployment, the SRS in conjunction with the usage of seat belts provide the passenger(s) maximum protection.
Supplemental Supplemental Restraint Systems (SRS) are called supplemental" they Restraint System supplement seat belts, which are the primary restraint for passengersafety. Toyota has two types of supplemental restraint systems: • Dual Front Airbags • Side−Impact Airbags Technical Introduction to Toyota - Course 021 59, Section 2 Dual Front Airbags The supplemental restraint system (SRS) activates driver and front passenger airbags to help protect the occupants during a severe frontal impact. Occupants must also wear seatbelts for maximum protection. Side-Impact Airbags Side-impact airbags used with seatbelts protect the driver and front passenger during side-impact collisions. Side-Impact Some Toyota models offer side−impact airbags, which inflate to help the Airbags driver and front passenger during side−impact collisions. 60 TOYOTA Technical Training, Toyota Technology Seatbelts The seatbelt system uses pretensioner and force limiter to control seatbelt tension. Seatbelt If the airbag sensor sends a signal to the center sensor during a Pretensioner collision, an electric current ignites the gas generator located in the pretensioner and retracts the seatbelt. Seatbelt Force As the applied force on the retractor reaches a predetermined level, the Limiter force limiter activates to control the applied stress on the occupant. Technical Introduction to Toyota - Course 021 61, Section 2 Toyota Technical Resources These are the resources that technicians can use when confronted with technical questions about Toyota vehicles.
Toyota Technical Toyota provides a wide array of technical resources for dealership Resources technicians. The following pages in this section provide an overview ofthese important resources in detail. 62 TOYOTA Technical Training, Toyota Technology Repair Manuals To get information quickly, repair manuals are organized into volumes divided by model type and year.
Repair Manuals Toyota publishes a repair manual set for each vehicle model and modelyear. The repair manuals are divided into volumes based on the content of the model line. In addition, there are sometimes supplemental manuals published for specific vehicle systems. Technical Introduction to Toyota - Course 021 63, Section 2 Repair Manual Section Headings All headings printed in black indicate the topics covered in that volume. The headings printed in gray are items covered in the matching volume. Table of Contents The FOREWARD, which is the first page in each volume, lists the codes for the specific models covered by the repair manual. The Table of Contents in Volume 1 shows the contents of the combined service manual set (all volumes). Sections found in Volume 1 are printed in black ink whereas sections found in the matching volume are printed in gray. Each section has a thumb index" tab next to it. This tab appears on every page of the section, so that you can locate a section by finding the corresponding tab on the edge of the pages. 64 TOYOTA Technical Training, Toyota Technology Contents General repair manual content includes: • Introduction • Preparation • Service Specifications • Diagnostics • Maintenance Vehicle system specific information includes: • Mechanical and Electrical System information • Step−by−step procedures for: − System and component inspection − Component removal − System and component disassembly − System and component reassembly − Component installation Repair Manual Index An alphabetical index is provided at the end of the repair manual. Repair Manual Index An alphabetical index found at the end of each repair manual volume can be used to quickly locate the information you need. Technical Introduction to Toyota - Course 021 65, Section 2 How to Use This Manual The How To section can be found at the front of the repair manual. How to Use This section is found at the front of the manual and guides you through This Manual using the manual. Index Each section begins with an index, which lists each topic in the section and its page number. General Description A general description describes and lists precautions for the repairs in the section that follows it. 66 TOYOTA Technical Training, Toyota Technology Troubleshooting Troubleshooting tables are included for each system to help you diagnose a problem and find its root cause. Preparation Preparation lists the tools, supplies, and additional information which should be gathered beforehand and explains their purpose. Repair Procedures Repair procedures show you what to do and how to do it. Most repair procedures contain an overview illustration, a task heading, and detailed text of the repair operation. References When necessary, the repair manual lists references by topic and page number. Service Specifications are presented in bold type throughout the text where Specifications needed. Cautions, Notices, Cautions indicate the possibility of injury to people. Notices point the Hints possibility of damage to components, and Hints help you complete the repair efficiently. Vehicle Identification This section shows you where to find the Vehicle Identification Number Information (VIN)on the vehicle that you are working on. You will find the VIN stamped on both the vehicle identification number plate and the certification label. The engine serial number is stamped on the engine block. Technical Introduction to Toyota - Course 021 67, Section 2 Repair Manual/ Repair Instructions Repair information will be in the Repair Instruction section. Repair Instructions This section lists information applicable to any inspection or repair work. General Information This section lists hints that apply to all basic repairs. Vehicle Lift and This section shows where to position jacks, pantograph jacks, and Support Locations supports. Precautions This section gives precautions that apply to the entire Toyota fleet of vehicles. 68 TOYOTA Technical Training, Toyota Technology Repair Manual/ Maintenance If you need information regarding maintenance on a vehicle, then the Repair Maintenance section should be used. Maintenance Categorized by vehicle area, this section covers maintenance procedures that can be performed by the owner as well as procedures that require a technician. The Maintenance section of the manual often refers you to the system specific sections for detailed inspection and maintenance procedures. Outside Vehicle These are maintenance and inspection items considered the owner’s responsibility (e.g., checking tire pressure periodically). Inside Vehicle These maintenance and inspection items are also considered the owner’s responsibility (e.g., checking that the horn works). Technical Introduction to Toyota - Course 021 69, Section 2 Underhood These are primarily fluid level checks and inspections performed by service technicians (e.g., checking the power steering fluid level). Engine These are service items normally performed by a technician (e.g., replacing the air filter). Brake These are service items performed by a technician (e.g., inspecting front pads and discs). Chassis These are service items performed by a technician (e.g., inspecting ball joints and dust covers). Body These are service items normally performed by a technician (e.g., tightening bolts to specification). 70 TOYOTA Technical Training, Toyota Technology Repair Manual/ Troubleshooting If troubleshooting is a problem, then turn to the Troubleshooting section for guidance. How to This section describes how to troubleshoot systems that are controlled Troubleshoot ECU by Electronic Control Units (ECU). Controlled Systems Customer Problem Ask the customer about the conditions and the environment when the Analysis problem occurred. Symptom Confirmation Confirm the symptoms and problem conditions and check the on−board and Diagnostic diagnostics system for stored DTCs. Trouble Code Check Symptom Simulation Recreate the conditions and environment the customer described that cause the symptom to occur. Problem Use this table to troubleshoot a malfunction when a DTC is not stored Symptoms Table in the vehicle’s on−board diagnostic system. Technical Introduction to Toyota - Course 021 71, Section 2 Circuit Inspection This section explains how to use each page in the Circuit Inspection section, which includes DTC Number and Detection Item, Circuit Description and Wiring Diagram. Terms This section consists of two charts − a list of all abbreviations used in the manual and a glossary of SAE−J1930 terms and their Toyota equivalents. Preparation This section provides important repair preparation information. Special Service This table is a quick reference of Special Service Tools (SSTs) you need Tools to gather before you begin a repair operation. Recommended Tools This table is a quick reference for recommended tools you need to gather before you begin a repair operation. Equipment This table is a quick reference for equipment you need to gather before you begin a repair operation. Special Service This table is a quick reference for Special Service Materials (SSMs) you Materials need to gather before you begin a repair operation. Service Specifications This section has tables of specifications for each vehicle system component, including torque specifications. The section is grouped by vehicle system (engine mechanical, emission control, etc.) and arranged in the same order as the vehicle systems are listed in the table of contents. Diagnostics This section contains key troubleshooting information (DTC table, problem symptoms table, etc.) grouped by vehicle system. You can use this section to isolate the problem and identify the repair procedure in Volume 2 that will fix it. 72 TOYOTA Technical Training, Toyota Technology Repair Manual/ Diagnostics This section is useful if you need to diagnose a specific system or component. System Specific This section of the repair manual provides a diagnostic procedure for Diagnostics repairing specific system related incidents. How to Proceed This section contains a Diagnostic Flowchart, which provides a with Troubleshooting step−by−step walkthrough of the troubleshooting procedure. The flowchart begins with verification of the problem and ends with a repair confirmation test. Customer Problem This form ensures that you collect all necessary information to Analysis Checklist successfully identify and repair a problem. Pre-Check This section lists the preliminary steps the technician should take, such as checking the on−board diagnostics system and clearing DTCs, before attempting to confirm the customer’s complaint. Technical Introduction to Toyota - Course 021 73, Section 2 Diagnostic Trouble Code (DTC) Chart The diagnostic trouble code chart provides a comprehensive list of all DTCs. Diagnostic Trouble This chart provides a comprehensive list of all DTCs associated with Code Chart the vehicle system involved and explains the detection item and trouble area of the DTCs listed. Parts Location This drawing shows the location of the major components associated with the vehicle system you are troubleshooting. Terminals of ECM This section uses a chart and table to identify the symbols, wiring color, condition, and the voltage normally present for each terminal on the electronic control module (ECM). Inspection This section describes the circuit associated with a DTC and explains Procedures how to inspect components in that circuit and determines whether a component requires replacement or repair. 74 TOYOTA Technical Training, Toyota Technology SRS Airbag Supplemental Restraint System precautions must be observed very carefully before attempting any repairs.
Precautions This topic lists precautions the technician should take when workingon a specific system to prevent personal injuries or damage to components.
System Inspection This section provides component inspection procedures andspecifications for specific vehicle systems.
System Component This section shows a component layout overview of a specific system. DiagramTechnical Introduction to Toyota - Course 021 75, Section 2 Repair Section The Repair section includes illustrations, part names and step-by-step repair procedures. Repair Section Each section contains step−by−step procedures for repairing a system. These procedures often include illustrations with part names. The step−by−step procedures for each system usually include the following procedures: • Removal • Disassembly • Reassembly • Installation NOTE: While the repair manual covers the inspection, removal, and installation of many electrical components, the Electrical Wiring Diagram provides more detailed inspection information needed to diagnose the vehicle electrical circuits. 76 TOYOTA Technical Training, Toyota Technology Body Section The Body Section includes removal, adjustment and installation procedures of body related components.
Removal and The Body Section of the repair manual includes the following Installation information on body clips and fasteners:of Body Clips • Types • Removal and installation • Locations Reviewing this information before attempting to remove components from the vehicle will save you time and the aggravation of lost and broken fasteners. Technical Introduction to Toyota - Course 021 77, Section 2 Electrical Wiring Diagram (EWD) The EWD provides detailed system information needed to diagnose electrical problems. Electrical Wiring The Electrical Wiring Diagram (EWD) provides detailed component, Diagram wiring and diagnostic and repair information for vehicle electrical systems. Table of Contents The Table of Contents lists section titles, codes, and page numbers. The section code is simply a letter that identifies the section (e.g., A" for the Introduction, B" for How to Use this Manual, C" for Troubleshooting). Introduction The Introduction page briefly describes each section of the manual. 78 TOYOTA Technical Training, Toyota Technology System Outline The system outline provides information such as input signals, control system operation, diagnosis and fail safe systems.
System Outline This section provides a system outline explaining system operation.Wiring diagrams, circuit information tables, ground points, and power source information charts are used in this book. Technical Introduction to Toyota - Course 021 79, Section 2 Basic Electrical Circuit Inspection Checking circuits, connecting or disconnecting connectors and terminal replacement, can all be located in the Troubleshooting section. Basic Electrical This Troubleshooting section describes the basic inspection procedures Circuit Inspection for electrical circuits. Circuit Checks This section describes how to measure voltage, continuity, and resistance, as well as how to find a short circuit. It includes diagrams to help you check these conditions. Connectors This section explains how to connect and disconnect various types of Information male and female connectors. Abbreviations This section lists the abbreviations used in the manual, along with an explanation of each. Glossary of Terms This section explains the technical terms and symbols used throughout and Symbols the manual. Relay Locations This section shows you where to find various relays, such as those in the engine compartment and instrument panel. 80 TOYOTA Technical Training, Toyota Technology Electrical Wiring Routing Symbols locate and define harness component information. Electrical Wiring This section shows the vehicles wiring harness routings. Symbols are Routing used to locate and define the following harness component information:
Position of PartsThe location of each vehicle component on the wiring harness can be found by a picture of the part or its connector and connector number.
Location of ConnectorsA connector number identifies connector location.
Ground PointsGround points are identified by the symbol and number. Technical Introduction to Toyota - Course 021 81, Section 2
Splice PointsSplice points are located within the wiring harness and are circuit connections that do not use a connector. Splices are identified by the symbol and number.
Wiring Harness ConnectorsThe configuration of the connectors used in the wiring harness are identified by number at the bottom of the page. Using the Index to Locate a System Circuit The System Circuit index lists all of its components by page number. System Circuit Index The System Circuits section starts with an index that lists all the systems covered and the page numbers. 82 TOYOTA Technical Training, Toyota Technology System Circuits The sample circuit explains how to read a wiring diagram.
System Circuits This section explains how to read a wiring diagram.Included are: • Junction block and wire harness connector • Connector joining wire harness and wire harness • Ground Points • Splice Points • Connector descriptions Technical Introduction to Toyota - Course 021 83, Section 2 System Outline The System Outline describes how the system is controlled and operates. Service Hints The service hints provide information that will help you to diagnose and repair the system. Parts Location These charts show you where to find parts in the Electrical Wiring Routing section. Relay Blocks The Relay Locations section shows you where to find diagrams for the various relay blocks in each system. Junction Block and The Relay Locations section shows you where to find diagrams for the Wire Harness various junction block to wire harness connectors in each system. Connector Connector Joining The Electrical Wiring Routing section shows you where to find Wiring Harness diagrams for various wire harness to wire harness connectors in each to Wiring Harness system. Ground Points The Ground Points section shows you where to find diagrams for various ground points in each system. Splice Points The Electrical Wiring Routing section shows you where to find diagrams for various splice points in each system. Connector The last part of the System Circuits section shows illustrations of Descriptions various connectors, and indicates their colors. 84 TOYOTA Technical Training, Toyota Technology Terminal Replacement This section of the manual provides you with instruction for replacing electrical terminals. Terminal In this section of the manual, you’ll find step−by−step information for Replacement replacing electrical terminals. Connector Chart This connector chart lists the connector part number, code and part name.
Part Number of The Part Number of Connectors chart lists the code, part name, and Connectors part number for each connector for replacement purposes.Technical Introduction to Toyota - Course 021 85, Section 2 Overall EWD This diagram shows you how different circuits are connected to each other. Overall Electrical The Overall Electrical Wiring Diagram shows how each circuit in the Wiring Diagram vehicle connects to the other circuits in the vehicle. Diagrams This section contains detailed illustrations of how the different electrical systems connect to each other. Power Source The Power Source (Current Flow Chart) diagram shows the route by (Current Flow Chart) which current flows from the battery through the circuit protection devices and provides a source of electricity to each circuit. 86 TOYOTA Technical Training, Toyota Technology Technical Service Bulletins (TSB) TSBs contain up-to-date technical information and factory fixes to help technicians diagnose and repair problems. Technical Service TSBs contain vehicle repair information, corrections to technical Bulletins publications and PDS information. Replacement bulletins are available through the Toyota Non−Parts System and can be viewed on the Toyota Information System (TIS). Dealerships receive Technical Service Bulletins (TSBs) throughout the year. During the first quarter of the year, bound editions of the previous years TSBs are sent to dealerships. Technical Introduction to Toyota - Course 021 87, Section 2 Special Service Tools (SST) Special Service Tools are designed for a specific task, and to help you perform the job safely and efficiently.
Special Service Toyota sends Special Service Tools (SSTs) to your dealership to help Tools (SST) you make certain repairs safely, efficiently, and properly. An SST isdesigned for a specific task, such as replacing a crankshaft front oil seal. Refer to Volume 1 of the Service Manual for SST information. 88 TOYOTA Technical Training, Toyota Technology New Car Features All new model information regarding automotive systems and technology are located in the NCF.
New Car The New Car Features Book is often the best source for information Features Book about new Toyota automotive systems and technology.Each book is divided into four sections: • Introduction • New Model Outline • Technical Description • Appendix
Overview The Overview provides a general description of the new model changes.Technical Introduction to Toyota - Course 021 89, Section 2 Index The Table of Contents includes a thumb index" tab for each section. This tab appears on every page of the section, so you can locate a section by finding the corresponding tab on the edge of the pages. A multi−vehicle thumb index identifies sections by number. Each section contains information on one model (Corolla, Camry, etc.). The general section lists changes that apply to all models from that year. A single vehicle thumb index identifies sections by abbreviating the section title. Single vehicle books contain the same information as multi−vehicle books but in greater detail. Model Code This section explains the model code, model line−up, provides details and Line-Up details of engine, body type, and transmission for each model. New Model Outline The New Model Outline provides the following information: Development Objectives − This section describes the overall concept behind the new vehicle and its major selling points, such as fuel economy or passenger comfort. Design − This section uses illustrations to show the major exterior and interior design elements of the vehicle, such as dashboard instrument layout or seat styling. Main Equipment The New Model Outline describes information such as the location of storage spaces inside the passenger compartment from the driver’s and/or passenger’s viewpoint. Main Mechanisms The New Model Outline also describes the main equipment that is hidden from the driver’s or passenger’s view, such as the engine, suspension, safety features, and other elements not mentioned in previous sections. 90 TOYOTA Technical Training, Toyota Technology List of Equipment This page of the manual lists the main equipment that is needed for a particular section. List of Equipment Each section of the new model outline lists the major equipment involved in that system or category (such as safety features). Technical Description The technical description lists each vehicle system and describes it component−by−component, including the engine, chassis, body, and electrical systems. Appendix The appendix lists the major technical specifications for each model, model style (2−door, 4−door, etc.) and trim level (base, CE, LE, etc.). Technical Introduction to Toyota - Course 021 91, Section 2 Technical Training Course Handbook The Technician Handbook provides information such as system description, diagnostic and repair procedures, and Special Service Tools.
Technician All technicians receive handbooks when attending technical training Handbook courses. The handbooks provide system descriptions, diagnostic andrepair procedures, and information on the use of Special Service Tools (SSTs). At the dealership, technicians can use their handbooks as reference material to review new or seldom−used procedures as needed. 92 TOYOTA Technical Training, Toyota Technology Owner’s Manual For quick general model information, use the Owner’s Manual. Owner’s Manuals Owner’s manuals are a good source of information on vehicle systems, that may not be found in the repair manual. Items such as new vehicle break−in, approved fuel, operating instructions and vehicle interior care can be referenced in the Owner’s Manual. Owner’s manuals can also serve as quick references for model information, technical specifications, and engine capacities. Technical Introduction to Toyota - Course 021 93, Section 2 Technician Reference Cards The Technician Reference Cards are job aids with information on transmissions, VINs, model codes, control systems and wheel alignment.
Technician Reference Toyota develops and distributes reference cards as job aids for Cards technicians. These cards include important technical content ontransmissions, vehicle identification numbers, model codes, various control systems, and wheel alignment. 94 TOYOTA Technical Training, Toyota Technology Technical Training Videos Live action videos that show diagnostic and repair information.
Technical Training Toyota Technical Training Videos provide live action diagnostic and Videos repair information. Videos are sent directly to the dealership andincorporate an odometer" feature for easy access to the information you wish to view. Technical Introduction to Toyota - Course 021 95, Section 2 Toyota Tech Magazine Toyota Tech magazine is a quarterly publication written for technicians. Toyota Tech Toyota Tech Magazine is a magazine for Toyota in−dealership Magazine technicians. It provides Toyota service technicians with timely, pertinent technical features and articles that directly impact their ability to provide quality vehicle repair and maintenance. This improved service proficiency results in customer satisfaction, increased profitability for the dealership and, ultimately, greater ownership loyalty. The magazine also provides Toyota Technicians an avenue to receive information on Toyota recognition and certification programs, new technical service procedures, new model highlights and advances in automotive technology. 96 TOYOTA Technical Training, Toyota Technology Toyota Information System(TIS) TIS provides valuable just-in-time technical information. Toyota Information The Toyota Information System (TIS) is a just−in−time technical System (TIS) information resource, that uses Toyota’s intranet. The contents include: • Service Publications • Warranty Information • Accessory information • Training References • Collision Repair Information • Tools and Equipment • Diagnostic Tester Interface • Campaign Information • Factory Information Technical Introduction to Toyota - Course 021 97, Section 2 TIS Contents TIS covers everything from Accessory Information to Warranty Information. The TIS main menu gets you to the information quickly. 1. 2. 3. 4. 5. 6. 7. 8. 9.
TIS Contents TIS content available for selection from the main menu include:1. Repair Information 2. Warranty Information 3. Accessory Information 4. Training References 5. Collision Repair Information 6. Tools and Equipment 7. Diagnostic Tester Interface 8. Campaign Information 9. Factory Communications 98 TOYOTA Technical Training, Toyota Technology Repair Information All repair information in printed form can be found in the Repair Information section of the TIS. Repair Information Repair Information includes the following service publications: • Technical Service Bulletins (TSB) • Repair Manuals • Automatic Transmission Unit Repair Manuals • Electrical Wiring Diagrams (EWD) • New Car Features • Owner’s Manual • Pre−Delivery Service information • SSC Publications These publications contain the same content as the printed copies but have content search and information linking capabilities that make them easy to use. In addition they cannot get lost or ruined and always contain the latest changes. Technical Introduction to Toyota - Course 021 99, Section 2 Warranty in TIS The Warranty section contains Warranty Bulletins, Policy/Procedures and Flat Rate Manual information.
Warranty Warranty information includes:• Warranty Bulletins • Policy and Procedures Manual • Flat Rate Manual 100 TOYOTA Technical Training, Toyota Technology Accessories in TIS TIS contains Accessory information for all models.
Accessories Accessories includes information on:• Port Installed Options (PIO) • Dealer Installed Options (DIO) • Parts and Accessories News Today (PANT) Bulletins References in TIS The References section contains a list of videos, catalogs and publications.
References The Reference section contains the following technical trainingreferences: • Training Publications • Training Videos • Course Catalog Technical Introduction to Toyota - Course 021 101, Section 2 Collision Repair in TIS All information related to Collision Repair can be found in this section of TIS.
Collision Repair Collision repair information includes:• Collision Repair Information Bulletins (CRIB) • Dimension Guides • Collision Training • Collision Repair Manual Tools and Equipment in TIS The Tools and Equipment section contains a list of Special Service Tools, Testers and Dealer Equipment.
Tools and Equipment Tools and Equipment content includes:• Special Service Tools (SST) • Tester Operations Manual • Wire Harness Repair Kit • Dealer Equipment 102 TOYOTA Technical Training, Toyota Technology Diagnostics in TIS All information regarding diagnosing vehicle systems can be found in the Diagnostics section of the TIS.
Diagnostics The Diagnostics section of TIS contains valuable information ondiagnostic tester operation and usage. Special Service Campaigns Given a VIN, service campaign information can be found in the Special Service Campaign section of the TIS.
Special Service The Special Service Campaign (SSC) screen allows you to search for Campaigns campaigns on a vehicle by VIN.Technical Introduction to Toyota - Course 021 103, Section 2 Drop-Down Menus Drop-down menus allow you to search for specific model information.
Drop-Down Menus The TIS system uses drop−down menus to assist you in searching forinformation. For example, a search in Repair Information lets you look at all the information available or select the specific model and year of vehicle you need. Information Search Once you have selected a topic, it can be broken down into subcategories.
Information Search After selecting the vehicle you need repair information for, a repairinformation drop−down menu lets you choose the information you want to search. 104 TOYOTA Technical Training, Toyota Technology Screen Sections The Drop-Down Menus have sections and sub-sections.
Screen Sections This screen has drop down menus for the section and sub−section of therepair manual you want to search. Repair Section The Drop-Down Menus will enable you to pinpoint your desired repair information.
Repair Section When you select the desired inspection or repair procedure, thepublication contents will appear. Technical Introduction to Toyota - Course 021 105, Section 2 Technical Assistance System The Technical Assistance System can help you solve that vehicle problem. Technical The purpose of the Technical Assistance System (TAS) Hotline is to Assistance System provide dealership technicians with diagnostic assistance and repair information. This is done by carefully discussing the vehicle’s condition with a TAS engineer, determining the root cause and finding an effective resolution. 106 TOYOTA Technical Training, Toyota Technology TAS Call Routing The TAS hotline will direct you to the proper component group.
TAS Call Routing The TAS Hotline is designed to give you the option of selecting acomponent group to obtain the most effective repair information. Technical Introduction to Toyota - Course 021 107, Section 2 Pre-Call Worksheet It is important to complete this worksheet prior to calling the “Hotline”.
Your TAS phone number is:108 TOYOTA Technical Training, Toyota Technology When to Call The Technical Assistance System is a limited resource and should not the Hotline be called unnecessarily. Make sure you’ve fulfilled your responsibilities before picking up the phone. Call the hotline only after you have: • Verified, or tried to verify, the problem. • Performed the diagnostic steps needed. • Referred to your technical resources (TSB, repair manual, EWD, etc.). • Completed the Pre−Call Worksheet. When NOT to Call the Hotline Do NOT call the hotline for the following: • Before you’ve completed the Pre−Call Worksheet • Before you’ve tried your best to repair the vehicle • Reference materials • Warranty issues • Parts issues Results The following will result from your hotline call: • The vehicle will be repaired. • DSM/FTS support will be required. • Cases open for more than 10 days will result in a product report. It is the dealer’s responsibility to close the case after the vehicle has been repaired. By closing a case with the proper information, the dealer will help to constantly update the Repair Database which helps other technicians and dealers when they call for assistance. If you do your part, the TAS personnel will be better able to help you out. Technical Introduction to Toyota - Course 021 109, Section 2 Six-Step Diagnostic Process The Six-Step Diagnostic Process can help you logically approach the problem vehicle. Six-Step Diagnostic When diagnosing a vehicle you’ll often count on your experience to Process know where and what to look for. In many cases that will be all you need to fix the vehicle. But what about those situations where you think you’ve done everything and you still can’t fix the vehicle? One important tool that you may use without even thinking about it is a diagnostic process or procedure. A good diagnostic procedure allows you to approach the problem logically and keeps you from replacing unnecessary parts. 110 TOYOTA Technical Training, Toyota Technology Make sure your diagnostic procedure contains the following six steps: 1. Verify the It almost goes without saying that you can’t fix a problem that you Complaint can’t duplicate. When verifying the customer’s complaint: 1. Get all the information you need from the customer. 2. Verify the complaint under the conditions that the customer states the problem occurs. 3. Road test the vehicle with the customer, if necessary. 4. Don’t forget TAS if a problem cannot be verified. 2. Determine When gathering information, it is important to look at what’s working the Related and what’s not working. This is especially true of any electrical Symptoms problem. To determine the related symptom: 1. What items operate properly? 2. What items are inoperative or operating improperly? 3. Determine the relationship between the symptoms using your technical resources. 3. Analyze the After gathering the information you need, take a few minutes to Symptoms analyze the information you have before making any tests or repairs. 1. Do you understand how the system or component should operate? 2. Use all available resources to understand the operation of the affected and related systems or components. 3. Based on this knowledge determine what you want to check and what results you expect. Technical Introduction to Toyota - Course 021 111, Section 2 4. Isolate the Now that you know what you’re looking for and what you should find, Trouble start testing systems and components. Use the tools that will give you the most accurate information available. You’ll find more information, more quickly using the diagnostic tester than you will with a test light. To isolate the trouble: 1. Perform all necessary checks, tests and measurements to determine the exact cause of the problem. 5. Correct the It makes it sound so simple, doesn’t it? Obviously it’s more complicated Trouble than just one statement, but if you’ve taken the time to do the research up front it becomes much easier. In addition, the repair manual, electrical wiring diagram and the Technical Assistance System all offer diagnostic information to help you through this step. There are really only a couple of things that you need to do to repair a vehicle. This can include: 1. Making an adjustment. 2. Repairing a circuit or component. 3. Repairing/Replacing the part. 4. Explaining proper system operation to the customer. 6. Check for Proper But you’re not done yet. After making the repair, make sure it’s the Operation right repair. 1. Check for proper operation under the same conditions you used for verification. 2. Make sure that additional problems do not exist. Again, you probably use a procedure like this every day and don’t even think about it. That’s the point. When you get one of those hard to diagnose problems, think through the process before attempting any repairs. 112 TOYOTA Technical Training, Toyota Technology Toyota Diagnostic Tester The Toyota Diagnostic Tester is a hand-held instrument designed to diagnose electrical and engine control systems. Toyota Diagnostic The Toyota Diagnostic Tester has the following features to help you Tester diagnose and repair Toyota vehicles: • Displays Diagnostic Trouble Codes (DTC). • Erases OBD II and airbag codes. • Displays system operation data. • Has laboratory oscilloscope analysis. • Performs Active tests. • Records and recalls data. • Prints data, graphs, scope displays and test results. • Reprograms ECM on some models. Additional training is available on all Diagnostic Tester functions. The Using the Toyota Diagnostic Tester" worksheet will assist you in using the Toyota Diagnostic Tester to: • Check for Diagnostic Trouble Codes on OBD II vehicles. • Erase Diagnostic Trouble Codes on OBD II vehicles. Technical Introduction to Toyota - Course 021 113, Section 2 Connecting DLC3 Cable Connecting the diagnostic tester to the vehicle. DLC3 Connector DLC3 Cable
Connecting the Connect the Diagnostic Tester to the vehicle by connecting the DLC3 Diagnostic Tester cable (OBD II connector) of the tester to the DLC3 connector on thevehicle. 114 TOYOTA Technical Training, Toyota Technology
Checking for DTCs on OBD II VehiclesOperating the Diagnostic Tester By pressing the ON/# key, you are ready to begin your testing. Operating the 1. Turn the vehicle ignition ON. Diagnostic Tester 2. Use the OBD II Operator’s Manual (Diagnostic Tester) to verify that the correct program card and/or cartridges are installed for OBD II testing. 3. Power up the Diagnostic Tester by pressing the key. 4. When the Sign−on screen comes up, press ENTER. 5. From the FUNCTION SELECT menu, select ENHANCED OBD II. NOTE: Make your selections by scrolling using the and keys or by entering the number of your selection and pressingENTER. Technical Introduction to Toyota - Course 021 115, Section 2 OBD II Pressing ENTER confirms that you are checking an OBD II vehicle. Confirm that you are checking an ENHANCED OBD II vehicle by pressingENTER. MODE SELECTION Select NORMAL MODE. 7. From the MODE SECTION menu, select NORMAL MODE. NOTE: CHECK MODE is used when duplicating intermittent faults. 116 TOYOTA Technical Training, Toyota Technology ENHANCED OBD II MENU After you select TROUBLE DATA, don t forget to press ENTER. 8. From the ENHANCED OBD II menu, select TROUBLE DATA. TROUBLE DATA MENU Once in the TROUBLE DATA MENU , select CODES/FREEZE and press ENTER to continue. 9. From the TROUBLE DATA menu, select CODES/FREEZE. Technical Introduction to Toyota - Course 021 117, Section 2 TROUBLE CODES Once you select CURRENT CODES, press ENTER. 10. From the TROUBLE CODES menu, select CURRENT CODES. DIAGNOSTIC TROUBLE CODES (DTC) You will now see DTCs or NO DTC CODES on the screen. 11. Either NO DTC CODES or the DTCs currently stored in the ECM will now be displayed. NOTES: An * by the DTC number indicates that Freeze Frame Data is stored for that DTC. A ↓ indicates that additional DTCs are stored. If you pressENTERwhile in CODES/FREEZE you will go directly to the Freeze Frame Data if you are highlighting the code that has attached Freeze Frame Data. SelectENTERto return to the DTC screen. 118 TOYOTA Technical Training, Toyota Technology
Erasing DTCsErasing Codes To erase DTCs, return to TROUBLE DATA MENU. Select CLEAR CODES and press ENTER. 12. Return to the TROUBLE DATA menu by pressingENTERas necessary. 13. At the TROUBLE DATA menu, select CLEAR CODES. CLEAR DTCs When you clear DTCs, you also clear FREEZE FRAME and READINESS TEST Data. 14. The Diagnostic Tester will ask you if you are sure that you want to clear the Trouble Codes and Freeze Frame Data. SelectYES. Technical Introduction to Toyota - Course 021 119, Section 2 DTCs CLEARED From this screen, selecting ENTER will return you to the main menu. 15. The Diagnostic Tester will verify that you have cleared the codes. SelectYESto return to the main menu. WARNING! Trouble Codes and Freeze Frame Data are critical to diagnosing and repairing OBD II incidents. Clearing the Trouble Code will erase the Freeze Frame Data. Never clear a code unless you are trying to duplicate an intermittent problem or confirm a repair. It’s always a good idea to print the Freeze Frame Data before clearing any codes. Turning OFF the Tester Pressing EXIT and ON at the same time will turn the Diagnostic Tester OFF. 16. Turn OFF the Diagnostic Tester by pressing andEXITat the same time. 120 TOYOTA Technical Training, Toyota Technology
Pre-Delivery Service (PDS)Pre-Delivery Service There are seven categories on the Pre-Delivery Service Check Sheet that must be completed prior to customer delivery. Pre-Delivery Service Pre−Delivery Service The new vehicle delivery experience is possibly the single most important event in a customer’s ownership cycle. This is the time when lasting impressions are formed regarding the vehicle they just purchased, your dealership, and Toyota in general. The saying, you never get a second chance to make a positive first impression" rings especially true as it relates to the delivery experience. Simply put, no matter how much goodwill" is generated during the sale, if the customer takes delivery but feels their Toyota is not perfect, all that hard work − the hard work of everyone involved in the production, transportation, preparation and delivery of that vehicle − can be lost. Technical Introduction to Toyota - Course 021 121, Section 2 Your customer’s true first impression of their new Toyota begins the moment they turn the ignition key for the very first time. Accordingly, it is your challenge to ensure that each new Toyota is perfect at that moment in time. On-Board During this preliminary inspection, vehicles are checked while still on Inspection the carrier for superficial damage that may have occurred during transport. The normal amount of time for on−board inspection is approximately five minutes per vehicle. On-Ground A more thorough inspection is conducted after the vehicles have been Inspection taken off the transporter. On-Hoist Inspection The vehicle is raised off the ground for a thorough under vehicle inspection. Pre-Delivery The Pre−Delivery Service is conducted to prepare the vehicle for display Service (PDS) and delivery. • The goal is to deliver 100% problem−free Toyotas. • Each dealership should designate a stall for the PDS inspection. Storage Lot If the vehicle does not go directly to the sales lot, or is not delivered to a customer, it may be parked in the storage lot. • Long−term or off−site storage requires special care to keep vehicles free of scratches and dents. 122 TOYOTA Technical Training, Toyota Technology Dealer-Installed In many instances, optional equipment and accessories are installed on Options (DIO) new vehicles at the buyers request or for display and demonstration. After these options are installed, the vehicles should be inspected and the options tested for proper operation. Sales Lot Display Proper vehicle display allows customers to examine new Toyotas in a safe, clean, and organized environment. It projects a professional appearance to the customer and minimizes the possibility of damage to the vehicles. Sales Delivery The new vehicle delivery is an integral element of the sales process. It helps to ensure that an informed and satisfied buyer drives away from your dealership in a clean vehicle and in perfect working order. Accordingly, following an established new vehicle delivery procedure helps the customer/dealership relationship begin on a positive note. More importantly, it strengthens customer satisfaction and ultimately, your dealership’s image in the marketplace. A proper delivery procedure accomplishes the following goals: • It provides a procedure for sales consultants to follow ensuring a thorough delivery of every new vehicle. • It ensures that all Toyota customers are familiar with the operation and features of their new vehicle and receive the vehicle in perfect condition. • It introduces customers to key personnel and operating procedures of the Service and Parts Department.
End of Section 2Technical Introduction to Toyota - Course 021 123, Section 2 124 TOYOTA Technical Training,
Section 3 Administrative Aspects of ServiceWarranty Tags The correct Warranty Tag must always be attached to any part related to a warranty repair. Learning Objectives: 1. Identify your warranty parts responsibilities. 2. Identify the documentation requirements for a warranty repair order. 3. Identify your dealership’s and your responsibility for completing service campaigns. 4. Locate the vehicle information needed to order the correct repair part. 5. Identify the tools Toyota uses to measure service satisfaction. Technical Introduction to Toyota - Course 021 125, Section 3 Warranty System Understanding and properly administrating Toyota’s warranty policies and programs allows your dealership to maximize customer satisfaction and dealership profitability. Warranty Parts Evaluating parts removed for a warranty repair can provide valuable Recovery clues for improving Toyota products and service. Under the Warranty Parts Recovery Program, Toyota may request the return of selected parts for this purpose. Returned parts are usually used for quality assurance, technical research, technical compliance, vendor follow−up, or defect analysis. The information may be used to improve the part or for future training. Parts Retention To ensure that parts removed for warranty are available when and Storage requested, your service department has specific retention and storage procedures. • All parts replaced for a warranty repair MUST be retained until the dealer receives a Daily Warranty Parts Recovery Summary or Daily Warranty Parts Scrap Report to indicate if the part is to be returned to the Parts Recovery Center (PRC) or scrapped by the dealer. • Requested parts MUST arrive at the PRC within 15 days from the requested date to avoid debit of the entire claim. • If the requested part is not available, a notation MUST be made on the Daily Warranty Parts Recovery Summary explaining why the requested part cannot be shipped. • Parts that have a core" charge must be sent to the manufacturer. 126 TOYOTA Technical Training, Administrative Aspects of Service Technician Before the parts department can accept removed parts, the technician Responsibilities must prepare them for storage. This includes: • Cleaning the parts to remove excess oil and debris. • Draining lubricants and fluids. • Reassembling all disassembled parts. • Packaging defective parts in new parts packaging when possible. • Making sure all associated parts including gaskets, fasteners, springs, etc. are returned. Warranty Tags There are specific warranty tags that the Parts Department must assign to warranty related repairs. Parts Department The Parts Department is responsible for tagging and storing removed Responsibilities warranty parts. Therefore, it is important that the repair order is properly filled out by the technician. The Parts Department acknowledges receipt of the parts next to the technicians defect and repair description. Repair Order Careful documentation of the warranty repair is vital. The parts Documentation department relies on this information to properly tag and store the warranty parts in the event of a request for inspection by the District Service and Parts Manager (DSPM) or for recovery. Toyota relies on accurate information for analysis to determine potential product concerns. The R.O. is so important, Toyota will only process and pay a warranty claim, including Z" Code claims, if the R.O. is complete and correct. Technical Introduction to Toyota - Course 021 127, Section 3 R.O. Information Another reason for properly filling out a R.O. is its importance as a Required legal document. Every R.O. must contain the following information: • Customer name (first and last) • Customer address • Telephone numbers (home and business) • Actual vehicle mileage (at time of R.O. write−up) • Vehicle Identification Number (VIN) − all 17 digits • In−service date (Date−of−First−Use or DOFU) • Date the R.O. was written • License plate number Repair Time The actual amount of time that the technician spends on a warranty Substantiation repair must be substantiated with the Technician’s Daily Time Ticket Form. This is a 3−piece form which includes Flag stickers. Time is recorded with time clock imprints showing day, month, hour, 1/10th hour. The requirements for substantiating repair time are the same whether the technician is paid flat rate, hourly or salary. Time Ticket Form To get paid for the repair, completely flag your time ticket. Technician In most service departments, the technician must record the following Responsibilities information on the Technician’s Daily Time Ticket Form: • ON time imprint • OFF time imprint • R.O. number • Technician employee number • Flat rate time 128 TOYOTA Technical Training, Administrative Aspects of Service Service Campaigns Toyota conducts Service Campaigns to notify Toyota owners of certain conditions that may affect their vehicles. Vehicles included in a campaign are identified specifically by VIN. When an owner is notified of a Service Campaign and brings the vehicle into the dealership, the dealer must inspect and/or make corrections to the vehicle as described by the campaign. The Federal Government tracks compliance with Special Service Campaigns. It is important to Toyota customers and the dealership that all required actions be taken as soon as possible after a Service Campaign is initiated. There are three different types of Service Campaigns issued by Toyota: 1. Special Service Campaign (SSC) 2. Limited Service Campaign (LSC) 3. Special Policy Adjustment (SPA) Campaign Toyota initiates a Service Campaign by first sending a cover letter to Procedures dealers explaining the campaign, which vehicles are affected, any part information necessary to perform the campaign and reimbursement procedures. The cover letter also indicates the date on which owners will be notified so that the dealer can be prepared. With the cover letter, Toyota includes technical instructions on how to make the required inspection, adjustment or repair. The dealer also receives a VIN List of applicable vehicles which Toyota records indicate were sold by the dealership or are in the dealer’s stock. Dealer As soon as the dealer receives the Service Campaign notification, the Responsibilities dealer should: • Review all campaign materials. • Order parts (if required by the campaign). • Perform the campaign on affected vehicles in dealer stock. • Perform the campaign on affected vehicles brought in by customers even if they don’t have a campaign notification. • Perform the campaign on affected vehicles returned from lease, traded in or used as demo vehicle before placing the vehicle in used inventory or transferring title to a retail or wholesale buyer. • Dealers are required to place an SSC completion label on the location indicated in the technical instructions when completing a Special Service Campaign. Technical Introduction to Toyota - Course 021 129, Section 3
Getting the Right Getting the right part usually means clearly identifying the vehicle. Part Before you start looking up a part, you should know the followinginformation about the vehicle: • Vehicle Model • Production Date • Engine Number • Accessories and Options • Country where the vehicle was assembled Identification Plate 1. ENGINE indicates engine type and displacement. 2. VEHICLE IDENTIFICATION NUMBER 3. MODEL indicates model code 4. C (Color) indicates body color code 5. T (Trim) indicates trim code 6. A (Axle) indicates axle code 7. TM (Transmission) indicates transmission code.
Identification Plate The Identification Plate is located adjacent to the firewall in the enginecompartment on vehicles built prior to 1989. It includes the following information about the vehicle: 1. Engine type 2. VIN 3. Model Code 4. Body Color 5. Trim Code 6. Axle Code 7. Transmission Code 130 TOYOTA Technical Training, Administrative Aspects of Service
Certification Label (1989-On)Certification Label Certification Label The Certification Label is located on the inside of the driver’s door or the lower part of the driver’s door pillar. This label is used on vehicles from 1989 to the present. The most important information on this label for finding parts is the Production Date. Parts can change during a model run. The Production Date identifies the year and month of manufacture so that you can identify these changes. Technical Introduction to Toyota - Course 021 131, Section 3
Vehicle Identification Number PlateVehicle Identification Number (VIN) The VIN identifies a particular vehicle. Vehicle Identification The VIN plate is riveted to the dashboard in the bottom corner of the Number windshield on the driver’s side and uniquely identifies a particular vehicle. The VIN provides the following information: • World Source • Manufacturer • Vehicle type • Body type • Engine family • Series • Restraint System • Car Line • Check Digit • Model Year • Plant Code • Serial number unique to one vehicle. Refer to TIS for the current year VIN decoding information. 132 TOYOTA Technical Training, Administrative Aspects of Service Fast Moving Parts Catalog They re quick. Boy are they quick!
Fast Moving The Fast Moving Parts Catalog is one of the most useful references you Parts Catalog have for looking up parts day−to−day. It includes the fastest movingparts in one easy reference. The catalog is organized first by Vehicle Model, then by Part Family. Suppose you are looking for an alternator for a 1999 Camry. You would first look under Camry, then under Electrical. In the Electrical Parts Family you will find a table of alternators. To identify the specific alternator, you must know the Vehicle Model Number, Production Date and Engine. The Production Date is located on the Certification Label. The other information may be decoded from the VIN. The Fast Moving Parts Catalog is printed twice a year in April and November. Each dealer receives one copy of each printing. Additional copies can be ordered. In fact, many dealers purchase additional copies as giveaways to wholesale accounts. Technical Introduction to Toyota - Course 021 133, Section 3 Part Numbers Part numbers pinpoint specific Part numbers are organized by vehicle components to specific models. model and part family
For example: 16100-79185 The 16 designates a cooling systemrelated component Part Numbers Part Name Code will identify the type of part. For example, 16100 identifies it as a water pump. The first two digits are called the Group Number. The Group Number describes a particular family of parts. For example, all Cooling System parts begin with 16". The remaining three digits (16100) identify a section of parts within the group, in this case, the water pump. In no time, you will begin to associate the Group Number with certain vehicle components. The remaining digits in the 10−digit part number identify the type of engine or vehicle and design information about the part such as an engineering change. Toyota also uses 12−digit part numbers. The last two digits are added to a 10−digit part number to indicate color, size or remanufactured component. 134 TOYOTA Technical Training, Administrative Aspects of Service Commitment to Customer satisfaction is vital to a dealership’s sales and profitability. Customer Loyalty It’s a well know fact that it is more expensive to sell a car to a new customer than to an existing customer. Your performance in fixing your customer’s vehicle right the first time is measured in Toyota’s Service Survey (TSS). An outline of Toyota’s survey system and a copy of the TSS survey have been included to help you understand the process and your role in it. Survey System Customer satisfaction may be measured in four ways. Technical Introduction to Toyota - Course 021 135, Section 3 Toyota Service Survey The customer’s recent service experience is recorded on the Service Survey. Evaluating the Survey This graphic explains how the survey affects your dealership.
End of Section 3136 TOYOTA Technical Training, Administrative Aspects of Service Technical Introduction to Toyota - Course 021 137,
Section 4 Toyota Technician CertificationTechnician Course of Study These courses will help you to achieve your highest level of performance. Learning Objectives: Upon completing this section of the course you will be able to: 1. Identify the elements of Toyota technical training and their applications. 2. Identify the elements of the T−TEN, ASE and AYES programs and their benefits to Toyota. 3. Identify the features of the Toyota Certified Technician Program (TCTP). 138 TOYOTA Technical Training, Toyota Technician Certification Technician Course of Study These courses will help you to achieve your highest level of performance. Introduction This section provides an overview of major elements of Toyota’s Technician Certification Program. These elements include: • The Training Process • Technician Course of Study • Skill Level Guidelines • New Model Training • Automotive Service Excellence (ASE) • Toyota Technical Education Network (T−TEN) • Automotive Youth Educational System (AYES) • Toyota Certified Technician Program (TCTP) Technical Introduction to Toyota - Course 021 139, Section 4 The Training As a Toyota Technician you have the opportunity to benefit from some Process of the best training in the industry. However, it is the responsibility of you and your Service Manager to take advantage of the opportunity by getting you the classes you need to advance your career. Start by reviewing the Annual Training Plan and University of Toyota Course Catalog to determine which training courses you need to take. You as a technician must: • Assess your training needs • Consider ASE Certification • Develop a career path Technician Course of Study These courses are listed in the Technician Course of Study. Technician Course Once you’ve decided which courses you need to take, check the of Study Technician Course of Study to determine if any prerequisite courses are required. After you’ve enrolled in a course, use any content related, in−dealership training materials, to help prepare you for the course. These may include videos or printed materials. Upon completing the course you will need to pass an end−of−course test to obtain course credit. 140 TOYOTA Technical Training, Toyota Technician Certification Skill Level Guidelines Each dealership needs a minimum number of certified technicians in each category.
Skill Level Guidelines The Annual Training Plan is based on Toyota’s dealer skill levelguidelines which helps the dealership determine how many technicians they need trained in each skill area. Technical Introduction to Toyota - Course 021 141, Section 4 New Model Training There are 12 Regional Training Centers that conduct required technical training courses for all technicians.
New Model Training New Model Training is available at the Regional Training Centerswhenever a New Model is introduced or a current model is substantially updated. In−dealership New Model Technical Introduction videos are sent to all dealers to provide further information and reference. 142 TOYOTA Technical Training, Toyota Technician Certification ASE Certified ASE Certified technicians are professional, knowledgeable and experienced individuals. Automotive Service ASE is an independent, non−profit organization whose mission is to Excellence (ASE) improve the quality of vehicle repair and service through the testing and certification of repair and service professionals. Here’s how ASE certification works: Prospective candidates register for and take one or more of ASE’s 40−plus exams. The tests are grouped into specialties for automobile, medium/heavy truck, truck equipment, school bus, and collision repair technicians as well as engine machinists, alternate fuels technicians, and parts specialists, and collision damage estimators. Upon passing at least one exam and after providing proof of two years of relevant work experience, the test taker becomes ASE certified. Certification, however, is not for life. To remain certified, those with ASE credentials must be retested every five years. The tests, which are conducted twice a year at about 800 locations around the country, are administered by ACT, an organization known for its academic and occupational testing programs. The exams stress knowledge of job−related skills. They are no cinch to pass; approximately one out of three test takers fails. ASE−certified technicians usually wear blue and white ASE shoulder insignia and carry credentials listing their exact areas of expertise (brakes, engine repair, etc.), while employers often display their technicians’ credentials in the customer waiting area of the dealership. Registering for You may register by mail, fax, or online at www.asecert.org, but choose ASE Testing only one method of registration. Your dealership most likely receives ASE registration booklets before the next testing session, but if not, you can obtain the registration form online or by calling ASE. You can contact ASE by calling: 877−ASE−TECH or by mail at: ASE/ACT, 13505 Dulles Technology Dr. Suite 2, Herndon, VA 20171−3421. Technical Introduction to Toyota - Course 021 143, Section 4 T-TEN The T-TEN program provides the dealership body with a better trained and qualified entry-level technician. T-TEN The Toyota Technical Education Network or T−TEN is a state of the art industry and education cooperative training program designed to provide Toyota dealerships with qualified, entry level technicians. The student selection criteria ensures that only motivated, qualified students participate in the program. T−TEN schools receive support materials from Toyota providing students with valuable systems and components experience. Participating students are required to work at a Toyota dealership as part of the T−TEN program. As a Toyota technician you may be asked to help or mentor a T−TEN student as part of your job. In addition to providing dealerships with trained, qualified technicians, the T−TEN program also helps to enhance the dealership’s and Toyota’s image in the community. You can contact T−TEN to learn about education opportunities in your area by calling: 800−441−5141 or by visiting their website at www.t−ten.com. 144 TOYOTA Technical Training, Toyota Technician Certification
AYESThe AYES program is designed to encourage high school age students to pursue an automotive career. Automotive Youth Automotive Youth Educational Systems is a partnership of Educational manufacturers, dealers, high schools and vocational schools. AYES is Systems designed to help encourage high school and vocational school students pursue a career in the automotive industry as entry−level technicians. To work effectively, AYES requires dealership mentors to help the students learn about career opportunities in the automotive industry. As a Toyota technician, you may be asked to work with an AYES student as a mentor. You can contact AYES to learn about education opportunities in your area by calling 888−664−0044 or by visiting their website at www.ayes.org. Technical Introduction to Toyota - Course 021 145, Section 4 Toyota Certified The Toyota Certified Technician Program (TCTP) provides valuable Technician Program recognition and rewards to an important group of professionals − Toyota technicians. Individual technician certification contributes to the dealership’s adherence to the recommended skill guidelines, advancing overall service excellence and customer satisfaction. Technicians earn certification through participation in Toyota Technical Training and successful completion of Automotive Service Excellence (ASE) testing. ASE certification is an integral part of the TCTP program and is widely recognized in the industry for its technical excellence. ASE exams are given in the Spring and Fall of each year. Your participation in Toyota Technical Training courses will help you to prepare for these exams. Additional study guide information from companies like Check−Chart and Mitchell can be found at www.asecert.org. The following charts list the requirements for each level of the TCTP program. Foundations Level Technician Foundations Level Technician requirements. 146 TOYOTA Technical Training, Toyota Technician Certification
Certified Level TechnicianCertified Level Technician requirements. Technical Introduction to Toyota - Course 021 147, Section 4
Expert Level TechnicianExpert Level Technician requirements. 148 TOYOTA Technical Training, Toyota Technician Certification
Master Level TechnicianMaster Level Technician requirements. Technical Introduction to Toyota - Course 021 149, Section 4 Master Diagnostic Technician You have entered the level of a Master Diagnostic Technician. Congratulations!
End of Section 4150 TOYOTA Technical Training, Toyota Technician Certification
Toyota!Congratulations! You’ve just completed your first Technical Training Course with the University of Toyota. Technical Introduction to Toyota - Course 021 151, Section 4 152 TOYOTA Technical Training,
Section 5 WorksheetsWorksheets The following worksheets will help you become more familiar with Toyota vehicles and their technology. Technical Introduction to Toyota - Course 021 153, Section 5 Worksheets WORKSHEET 1-1 Toyota Model Line Characteristics Toyota offers one of the most diverse and attractive model line-ups in the industry. Your familiarity with the features and characteristics of each segment of the model line-up will help you to determine what systems or features may be causing a certain symptom on a customer’s vehicle. In addition, you will become more confident and comfortable working on and promoting Toyota vehicles. Objectives: • Given a Toyota vehicle line, you will be able to identify that line’s features and characteristics. Model lines covered will include: ❑ Compact ❑ Mid-Size/Full-Size ❑ Sports Car ❑ Small Truck ❑ Full-Size Truck ❑ Mini Van ❑ Compact Sport Utility ❑ Mid-Size Sport Utility ❑ Full-Size Sport Utility Before starting this worksheet, your Instructor will tell you which vehicles are available for inspection in the shop. Check those vehicles above and make sure you inspect each one as necessary. Compact Vehicle Answer the following questions based on your existing knowledge and inspection of the vehicles. After inspecting vehicles in the shop, you will review your findings as a group in the classroom. VIN Number Model Number Production Date 1. List the current model year Toyota vehicles that fall into the Compact Vehicle category. 2. List three engine characteristics (DOHC, timing belt, variable induction, etc.) found on Compact vehicles. 154 TOYOTA Technical Training, Toyota Model Line Characteristics 3. Check the transmissions that are available in Compact vehicles. ❑ 4-Speed Manual ❑ 5-Speed Manual ❑ 3-Speed Automatic ❑ 4-Speed Automatic ❑ Other (please list) 4. List two automatic transmission features found on Compact vehicles. 5. List one type of front and rear suspension system found on Compact vehicles. Front Rear 6. List two safety features found on Compact vehicles. 7. List any characteristics or features that YOU find to be unique to Compact vehicles. Mid/Full-Size Vehicle Answer the following questions based on your existing knowledge and inspection of the vehicles. After inspecting vehicles in the shop, you will review your findings as a group in the classroom. VIN Number Model Number Production Date 8. List the current model year vehicles that fall into the Mid or Full-Size Vehicle category. Technical Introduction to Toyota - Course 021 155, Section 5 Worksheets 9. List the engines offered in Mid or Full-Size vehicles. 10. Check the transmissions available in Mid or Full-Size vehicles. ❑ 4-Speed Manual ❑ 5-Speed Manual ❑ 3-Speed Automatic ❑ 4-Speed Automatic ❑ Other (please list) 11. List two automatic transmission features found on Mid or Full-Size vehicles. 12. List one type of front and rear suspension system found on Mid or Full-Size vehicles. Front Rear 13. List two safety features found on Mid or Full-Size vehicles. 14. List two options found on Mid or Full-Size vehicles. 15. List any characteristics or features that YOU find interesting on Mid or Full-Size vehicles. 156 TOYOTA Technical Training, Toyota Model Line Characteristics Sports Car Answer the following questions based on your existing knowledge and inspection of the vehicles. After inspecting the vehicles in the shop, you will review your findings as a group in the classroom. VIN Number Model Number Production Date 16. List the current model year vehicles that fall into the Sports Car category. 17. List the engines offered in the Sport Cars category. 18. Check the transmissions available in the Sports Cars category. ❑ 4-Speed Manual ❑ 5-Speed Manual ❑ 4-Speed Automatic ❑ Other (please list) 19. List two powertrain features that contribute to the image of Sports Cars. 20. List one type of front and rear suspension system found on Sports Cars. Front Rear 21. List any characteristics or features that YOU find interesting on Sports Cars. Technical Introduction to Toyota - Course 021 157, Section 5 Worksheets Small Trucks Answer the following questions based on your existing knowledge and inspection of the vehicles. After inspecting the vehicles in the shop, you will review your findings as a group in the classroom. VIN Number Model Number Production Date 22. List the current model year vehicles that fall into the Small Truck category. 23. List the engines offered in Small Trucks. 24. Check the drivetrains available in Small Trucks. ❑ 2WD ❑ 4WD ❑ Full-Time 4WD ❑ All-Trac ❑ Other (please list) 25. List two transfer case features found on Small Trucks. 26. List two types of differentials found on Small Trucks. 27. List two safety features found on Small Trucks. 28. List any characteristics or features that YOU find interesting on Small Trucks. 158 TOYOTA Technical Training, Toyota Model Line Characteristics Full-Size Trucks Answer the following questions based on your existing knowledge and inspection of the vehicles. After inspecting the vehicles in the shop, you will review your findings as a group in the classroom. VIN Number Model Number Production Date 29. List the current model year vehicles that fall into the Full-Size Truck category. 30. List the engines offered in Full-Size Trucks. 31. List two engine features found on Full-Size Trucks. 32. Check the drivetrains available in Full-Size Trucks. ❑ 2WD ❑ 4WD ❑ Full-Time 4WD ❑ All-Trac ❑ Other (please list) 33. List two transfer case features found on Full-Size Trucks. 34. List two safety features found on Full-Size Trucks. 35. List any characteristics or features that YOU find interesting on Full-Size Trucks. Technical Introduction to Toyota - Course 021 159, Section 5 Worksheets Mini Van Answer the following questions based on your existing knowledge and inspection of the vehicles. After inspecting the vehicles in the shop, you will review your findings as a group in the classroom. VIN Number Model Number Production Date 36. List the current model year vehicles that fall into the Mini Van category. 37. List the engines offered in Mini Vans. 38. How many doors are there on Mini Vans? 39. List one type of front and rear suspension system found on Mini Vans. Front Rear 40. Describe the seat set-up found on Mini Vans. 41. List any characteristics or features that YOU find interesting on Mini Vans. 160 TOYOTA Technical Training, Toyota Model Line Characteristics Compact Sport Utility Vehicles Answer the following questions based on your existing knowledge and inspection of the vehicles. After inspecting the vehicles in the shop, you will review your findings as a group in the classroom. VIN Number Model Number Production Date 42. List the current model year vehicles that fall into the Compact Sport Utility Vehicle category. 43. List the engines offered in Compact Sport Utility Vehicles. 44. Check the drivetrains available in Compact Sport Utility Vehicles. ❑ 2WD ❑ 4WD ❑ Full-Time 4WD ❑ All-Trac ❑ Other (please list) 45. List two options available on Compact Sport Utility Vehicles. 46. List any characteristics or features that YOU find interesting on Compact Sport Utility Vehicles. Technical Introduction to Toyota - Course 021 161, Section 5 Worksheets Mid-Size Sport Utility Vehicles Answer the following questions based on your existing knowledge and inspection of the vehicles. After inspecting the vehicles in the shop, you will review your findings as a group in the classroom. VIN Number Model Number Production Date 47. List the current model year vehicles that fall into the Mid-Size Sport Utility Vehicle category. 48. List the engines offered in Mid-Size Sport Utility Vehicles. 49. Check the drivetrains available in Mid-Size Sport Utility Vehicles. ❑ 2WD ❑ 4WD ❑ Full-Time 4WD ❑ All-Trac ❑ Other (please list) 50. What types of rear differentials are available on Mid-Size Sport Utility Vehicles? 51. List any characteristics or features that YOU find interesting on Mid-Size Sport Utility Vehicles. 162 TOYOTA Technical Training, Toyota Model Line Characteristics Full-Size Sport Utility Vehicles Answer the following questions based on your existing knowledge and inspection of the vehicles. After inspecting the vehicles in the shop, you will review your findings as a group in the classroom. VIN Number Model Number Production Date 52. List the current model year vehicles that fall into the Full-Size Sport Utility Vehicle category. 53. List the engines offered in Full-Size Sport Utility Vehicles. 54. Check the drivetrains available in Full-Size Sport Utility Vehicles. ❑ 2WD ❑ 4WD ❑ Full-Time 4WD ❑ All-Trac ❑ Other (please list) 55. What types of rear differentials are available on Full-Size Sport Utility Vehicles? 56. List two options available on Full-Size Sport Utility Vehicles. 57. List any characteristics or features that YOU find interesting on Full-Size Sport Utility Vehicles. Technical Introduction to Toyota - Course 021 163, Section 5 Worksheets WORKSHEET 2-1 Toyota Technical Resources The technical resources available to you at the dealership are your key to efficiently and effectively repairing Toyota vehicles. If you have experience using other manufacturers technical resources you’re likely to notice some similarities and some differences with Toyota’s materials. Make sure to take the time to learn the content and format of Toyota’s technical resources, it can save you time and make you money. It’s not important that you have all the answers when diagnosing a vehicle, it’s important that you know where to look for the answers. Objectives: • Select the best resource available to answer a technical question. • Identify other resources that may contain similar or supporting information. • Locate the requested information using the following Toyota Technical Resources: - Service Manual (Volumes 1 & 2) - Electrical Wiring Diagram (EWD) - Technical Service Bulletins - New Car Feature Guides - Technician Handbook - Owner’s Manual - Technician Reference Cards - Technical Training Videos - Toyota Tech Magazine Answer the following questions using the best resource available. Identify the source of your answer and other resources that may contain similar or supporting information. Air Conditioning System Diagnosis A comes into the dealership with a malfunctioning air conditioning system. Answer the following questions and identify the resource you used and other resources that may contain similar or supporting information. 1. The customer claims the system is not cooling properly. How should the controls be set to achieve the best cooling results? Resource used to answer question. 164 TOYOTA Technical Training, Toyota Technical Resources Other resources that may contain similar or supporting information. 2. What are the test conditions for properly inspecting refrigerant pressure with a manifold gauge set? Resource used to answer question. Other resources that may contain similar or supporting information. 3. What is the proper refrigerant charge capacity for the system? Resource used to answer question. Other resources that may contain similar or supporting information. 4. What torque specification should you use when connecting the expansion valve to the evaporator? Resource used to answer question. Other resources that may contain similar or supporting information. Technical Introduction to Toyota - Course 021 165, Section 5 Worksheets 5. An older technician tells you that the A/C system operation changed last year with the addition of a suction throttling valve. What resources could you use to verify this information? 6. The same technician tells you that a new blower motor resistor was introduced to improve system performance. What resources could you use to verify this information? Idle Speed Control System A comes into the shop with a low idle speed. Answer the following questions and identify the resource you used and other resources that may contain similar or supporting information. 7. What is the proper idle speed for this vehicle? Resource used to answer question. Other resources that may contain similar or supporting information. 8. What resources could you use for background information on Engine Control System operation and diagnosis? 9. What does the term “VSV for EGR” refer to in the service manual? Resource used to answer question. 166 TOYOTA Technical Training, Toyota Technical Resources Other resources that may contain similar or supporting information. 10. What preparation is required for properly checking the idle speed? Resource used to answer question. Other resources that may contain similar or supporting information. 11. The IAC valve has _ wire(s) attached to it. Resource used to answer question. Other resources that may contain similar or supporting information. 12. Where is the IAC valve located on the vehicle? Resource used to answer question. Other resources that may contain similar or supporting information. Technical Introduction to Toyota - Course 021 167, Section 5 Worksheets 13. When replacing the IAC, is it necessary to remove the throttle body? Resource used to answer question. Other resources that may contain similar or supporting information. Malfunction Indicator Lamp (MIL) Diagnosis A comes into the dealership with the MIL on. Answer the following questions and identify the resource you used and other resources that may contain similar or supporting information. 14. Which of the following connectors should the Toyota Diagnostic Tester be connected to when checking for DTCs? DLC 1 DLC 2 DLC 3 (circle one) Resource used to answer question. Other resources that may contain similar or supporting information. 15. What detection item and malfunction area does DTC P0115 indicate? Resource used to answer question. Other resources that may contain similar or supporting information. 168 TOYOTA Technical Training, Toyota Technical Resources 16. What is the first step for diagnosing DTC P0125? Resource used to answer question. Other resources that may contain similar or supporting information. 17. Should the coolant be drained when replacing the detection item for P0125? Resource used to answer question. Other resources that may contain similar or supporting information. 18. The Parts Counterperson says they need the build date and the model type for the vehicle you’re working on in order to get you the part you need. Where can you find this information? Alignment Diagnosis A comes into the dealership with front tire wear. Answer the following questions and identify the resource you used and other resources that may contain similar or supporting information. 19. What angles are adjustable on this vehicle? Technical Introduction to Toyota - Course 021 169, Section 5 Worksheets Resource used to answer question. Other resources that may contain similar or supporting information. 20. According to a Toyota Technical Resource, which of the following could NOT be caused by improper front wheel alignment? Hard Steering Poor Return Excessive Play (circle one) Resource used to answer question. Other resources that may contain similar or supporting information. 21. What measurement needs to be adjusted before aligning the front wheels? Resource used to answer question. Other resources that may contain similar or supporting information. 22. The vehicle you’re aligning cannot be brought back into specifications by following the service manual procedures. What resources could you use to determine if any other procedures could be performed? 170 TOYOTA Technical Training, Toyota Technical Resources Electrical System Diagnosis A comes into your dealership. The customer states that the operation of the moonroof seems to be intermittent. Answer the following questions and identify the resource you used and other resources that may contain similar or supporting information. 23. The customer states that with the key in the OFF position, sometimes the moonroof will close and at other times it will not. What can cause this symptom? Resource used to answer question. Other resources that may contain similar or supporting information. 24. How many ground points are there in the moonroof circuit? Resource used to answer question. Other resources that may contain similar or supporting information. Technical Introduction to Toyota - Course 021 171, Section 5 Worksheets WORKSHEET 2-2 Using the Toyota Diagnostic Tester Model Year/Prod. Date Engine Cal./Fed./Can. Transmission VIN Code The Toyota Diagnostic Tester allows you to communicate with various vehicle computer controlled systems. The main purpose of the Diagnostic Tester is to diagnose and repair OBD II related incidents. When diagnosing OBD II related incidents the Diagnostic Tester can be used to check and erase DTCs, check freeze frame data, monitor system inputs and outputs and perform active tests for system actuators. Objectives: • Select the correct program card/cartridge and cables to interface the Diagnostic Tester with the vehicle. • Program the Diagnostic Tester to establish communication with the OBD II ECM. • Navigate through software menus to read Diagnostic Trouble Codes (DTCs) accessed through DLC3. • Clear codes using the Diagnostic Tester. WARNING! Diagnostic Trouble Codes and Freeze Frame data are critical to diagnosing and repairing OBD II incidents. Clearing the trouble code(s) will erase the freeze frame data. Never clear a code(s) unless you are trying to duplicate an intermittent problem or confirm a repair. It’s always a good idea to print freeze frame data before clearing any code(s). Connecting and Programming the Diagnostic Tester 1. On the diagram below, identify the proper Diagnostic Tester lead and the proper Data Link Connector (DLC) for checking DTCs. (Circle the correct cable and connector) 172 TOYOTA Technical Training, Using the Diagnostic Tester 2. Use the OBD II Operator’s Manual (Diagnostic Tester) to verify that the correct program card and/or cartridge is installed for OBD II testing. 3. Connect the Diagnostic Tester to the vehicle, turn the ignition ON and power-up the tester by pressing the button. When the FUNCTION screen comes up, pressENTER. 4. From the FUNCTION SELECT menu, select ENHANCED OBD II. NOTE: Use the and buttons to highlight an item and pressENTERto select it. 5. From the MODE SELECTION menu, select NORMAL MODE. NOTE: CHECK MODE is used when duplicating intermittent faults. Technical Introduction to Toyota - Course 021 173, Section 5 Worksheets 6. From the ENHANCED OBD II menu, select TROUBLE DATA. 7. From the TROUBLE DATA MENU, select CODES/FREEZE. 8. From the TROUBLE CODES menu, select CURRENT CODES. 174 TOYOTA Technical Training, Using the Diagnostic Tester 9. In the space provided below, write down any DTCs that are present. 10. NOTE: If you pressENTERwhile in CODES/FREEZE, you will go directly to freeze frame data. Select EXIT to return to the DTC screen. NOTE: 1. An * next to the DTC indicates that Freeze Frame Data is available. 2. A ▼ next to the number of DTCs indicates that additional codes are stored. 11. Return to the TROUBLE DATA MENU by pressing the . 12. At the TROUBLE DATA menu, select CLEAR CODES. 13. The Diagnostic Tester will ask you if you are sure you want to clear the trouble codes and freeze data. SelectYES. WARNING! Trouble Codes and Freeze Frame data is critical to diagnosing and repair OBD II incidents. Clearing the trouble code will erase the freeze frame data. Never clear a code unless you are trying to duplicate an intermittent problem or confirm a repair. It’s always a good idea to print freeze frame data before clearing any codes. Technical Introduction to Toyota - Course 021 175, Section 5 Worksheets 14. The Diagnostic Tester will verify that you have cleared the codes. SelectENTERto return to the main menu. 15. Repeat steps 4 through 9 to ensure that the code has been erased. 16. When you are done, turn OFF the Diagnostic Tester by pressingEXIT and at the same time. 17. Turn the vehicle’s ignition switch “OFF”. 176 TOYOTA Technical Training, Using the Diagnostic Tester Technical Introduction to Toyota - Course 021 177, Section 5 Worksheets WORKSHEET 2-3 Pre-Delivery Service (PDS) Familiarization Model Year/Prod. Date Engine Cal./Fed./Can. Transmission VIN Code Pre-Delivery Service is critical to the customer’s perception of Toyota quality and satisfaction with the vehicle and your dealership. While it’s easy to take short cuts while completing the PDS, it’s important that ALL problems are taken care of BEFORE the customer takes possession of the vehicle. Objectives: • Familiarize yourself with the PDS form and procedure. The vehicle you are working on has already had a PDS performed on it. Follow the instructions and the Pre-Delivery Service Check Sheet to complete the following activities. Make sure to answer the questions while completing the activities. A. BEFORE INSPECTION 1. Have the fuses and outside rearview mirrors been installed? YES/NO (circle one) B. FUNCTIONAL OPERATION 2. Check the operation of all interior lights. 3. Check the audio system operation and clock. 4. List any problems found. C. WALKAROUND INSPECTION 5. Complete the Walkaround Inspection checking only the driver’s door. Do not check the headlight aim. 6. List any problems found. D UNDER HOOD 7. Check the battery state of charge. Is it within specifications? YES/NO (circle one) 178 TOYOTA Technical Training, Pre-Delivery Service (PDS) E. UNDER VEHICLE (ON HOIST) 8. No activities required. F. ROAD TEST 9. List two items to look for during cold engine operation. 1. 2. 10. List two items to look for when checking automatic transmission operation. 1. 2. 11. What steps can you take to properly check the vehicle for squeaks and rattles? G. FINAL INSPECTION AND CLEANING 12. NOTE: You may not be responsible for the final cleaning of the vehicle, but in many cases you are the last responsible person to inspect the vehicle for paint, trim or body part problems. List the procedure your dealership follows for the final inspection and cleaning procedure. Technical Introduction to Toyota - Course 021 179]
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