Toyota RAV4 manuals

Toyota RAV4 Service Manual: Air conditioning amplifier communication stop mode

Toyota RAV4 Service Manual / Can communication / Fail-safe chart / Air conditioning amplifier communication stop mode

Description

Toyota RAV4. Air conditioning amplifier communication stop mode


Wiring diagram

Toyota RAV4. Air conditioning amplifier communication stop mode


Toyota RAV4. Air conditioning amplifier communication stop mode


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 can bus line for disconnection (air conditioning amplifier branch wire)

Toyota RAV4. Check can bus line for disconnection (air conditioning amplifier branch wire)


  1. Disconnect the e37*1 or e36*2 air conditioning amplifier connector.

Hint:

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

Standard resistance: for automatic air conditioning system


For manual air conditioning system




  1. Check wire harness (air conditioning amplifier - battery and body ground)

  1. Disconnect the e37*1 or e36*2 air conditioning amplifier connector.

Hint:

Toyota RAV4. Check wire harness (air conditioning amplifier - battery and body ground)


  1. Measure the resistance of the wire harness side connectors.

Standard resistance: for automatic air conditioning system


For manual air conditioning system


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

Standard voltage: for automatic air conditioning system


For manual air conditioning system




Replace air conditioning amplifier

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