Toyota RAV4 manuals

Toyota RAV4 Service Manual: Ecm communication stop mode (2005/11-2006/01)

Toyota RAV4 Service Manual / Can communication / Fail-safe chart / Ecm communication stop mode (2005/11-2006/01)

Description

Toyota RAV4. Ecm communication stop mode (2005/11-2006/01)


Wiring diagram

Toyota RAV4. Ecm communication stop mode (2005/11-2006/01)


Inspection procedure

Notice:

Hint:

Operating the ignition switch, any switches or any doors triggers related ecu and sensor communication with the can, which causes resistance variation.

  1. Check wire harness (ecm - battery and body ground)

Toyota RAV4. Check wire harness (ecm - battery and body ground)


  1. Disconnect the a9 and b30 ecm connectors.
  2. Measure the resistance of the wire harness side connector.

Standard resistance


  1. Measure the voltage of the wire harness side connector.

Standard voltage



Replace ecm

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Ecm communication stop mode (2006/01- )
Description Wiring diagram Inspection procedure Notice: Turn the ignition switch off before measuring the resistances of the main wire and branch wire. After the ignition swi ...

Other materials:

Precaution
If any of following conditions are met, keep engine idling with a/c on (engine speed at less than 2000 rpm) for at least 1 minute: Refrigerant gas has been refilled or a/c parts have been replaced. A long time has elapsed since the engine was stopped. Notice: If the engine s ...

Brake pedal load sensing switch
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Communication malfunction no. 1
Description This dtc is output when a communication error occurs between the transponder key amplifier and transponder key ecu. Some possible reasons for the communication error are: 1) 2 or more ignition keys are positioned too close together, or 2) noise is occurring in the communicatio ...

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