Fuel injection for gasoline engines Toyota Vista 4 (V40)

Fuel injection description
The fuel injection system consists of three main subsystems: fuel supply, air supply and electronic control. Fuel system Fuel is supplied by the fuel pump at a constant pressure difference (284 kPa) through the filter...

Precautionary measures
Precautions when servicing electrical equipment 1. Check that the engine settings are correct (see chapter " Maintenance and general check and adjustment procedures "). 2 Precautions when connecting devices. a) Use the...

Self-diagnosis system
Description The electronic control unit has a built-in self-diagnostic system, which continuously monitors the engine condition using sensor signals. If a malfunction is detected, this system identifies it and informs...

Diagnosing faults using a road test
The use of the road test has the following objectives: a) Reproduction (simulation) of driving modes in which this diagnostic code is detected. b) Ensure that the repair work has been completed to the fullest extent,...

Troubleshooting with a Voltmeter
Note. Each system has its own troubleshooting procedures, which are outlined in this manual. These procedures may change slightly from time to time. However, the methods outlined in this manual are generally sufficient...

Electronic Fuel Injection Control System Test Procedure
Prerequisites. a) Disconnect the connectors from the electronic control unit. b) Remove the clips as shown in the figure, which will allow easy connection of the tester probes. Note: Be careful with elements "A" and "B"...

Electronic control unit outputs
3S-FE (4WD with automatic transmission). 3S-FE (4WD with manual transmission). 3S-FE (front wheel drive, with TRC system). 3S-FE (front wheel drive, without TRC system). 4S-FE (with automatic transmission). 4S-FE (with...

Fuel pump
Checking on the engine 1. Check the operation of the fuel pump. a) Turn on the ignition. Note: Do not start the engine. b) Short-circuit the "+B" and "FP" terminals of the diagnostic connector with a jumper c) Check for...

Fuel pressure regulator
Checking on the engine Check the fuel pressure (see " Checking the fuel pump "). Removal and installation the regulator 1 Disconnect the cable from the negative (-) battery terminal. 2. Disconnect the power steering...

Injectors — removal and installation
Checking on the engine 1. Check the functionality of the injectors by ear. a) With the engine running or when turning it over with the starter, use a phonendoscope to check by ear (by the sound of injected fuel) in the...

Air supply system
Vacuum line diagram (since 1996). 1 - fuel pressure regulator, 2 and 5 - idle speed increase system hoses No.3 and No.1 respectively, 3 - absolute pressure sensor in the intake manifold, 4 - electro-pneumatic valve, 6 -...

Throttle body
Check on the car 1. Check the throttle body. a) Check the smooth operation of the damper drive. Cars with automatic transmission Removal the throttle body 1. Drain the coolant from the engine. 2. Disconnect the...

Valve of the idle speed control system
Checking on the engine 1. Check the operation of the valve. a) Initial conditions: the engine is warmed up to normal operating temperature, the idle speed is adjusted correctly, the gear shift lever or automatic...

Electronic control system
Fuel injection system main relay 1. Remove the main fuel injection system relay. 2. Check the resistance of the relay winding. a) Using an ohmmeter, check for conductivity between terminals "1" and "3" (resistance -...

Traction Control (TRC)
Check on the car Checking the TRC Operation Indicator Turn the ignition on (ON). Check that the TRC operation indicator light is on for about 3 seconds. Checking the "TRC OFF" indicator 1. Turn on the ignition (ON)....

Diagnostic codes for the electronic control unit of the TRC system

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