Toyota RAV4 manuals

Toyota RAV4 Service Manual: Fail-safe chart

  1. Fail-safe function

  1. When communication fails in any of the main wires (communication lines) due to a short circuit or other causes, the fail-safe function, which is specified for each system, operates to prevent the system from malfunctioning.
  2. The table below shows the effects on each system when communication is impossible. For further details, refer to each system.

Toyota RAV4. Fail-safe function


Toyota RAV4. Fail-safe function


Hint:

Toyota RAV4. Fail-safe function


Toyota RAV4. Fail-safe function


Hint:

Diagnosis system
Bus check Select "bus check" from the "obd / mobd menu" screen. Hint: The ecus and sensors that are properly connected to the can communication system can be di ...

Abs and traction actuator (skid control ecu) communication stop mode
Description Wiring diagram Inspection procedure Notice: Turn the ignition switch off before measuring the resistances of the main wire and the branch wire. After the ignition swi ...

Other materials:

Vsc warning light remains on
Description The skid control ecu is connected to the combination meter via the can communication system. W/o multi information display: if the skid control ecu stores any dtcs which relate to the vsc system, the vsc warning light comes on in the combination meter. W/ multi information d ...

Turn signal light circuit
Description The turn signal flasher relay (marking: flsh) in the main body ecu turns on when it receives signals from the headlight dimmer switch integrated with the turn signal switch, causing the turn signal lights to flash. Wiring diagram Inspection procedure Check operation of t ...

Ecu malfunction
Description Inspection procedure If the power steering ecu detects these dtcs, it will shut off the motor relay circuit (built into the power steering ecu) and stop power assist. However, power assist continues if dtc c1533 is output. Reconfirm dtc Check for dtc. Ok: dtc i ...

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