Toyota RAV4 manuals

Toyota RAV4 Service Manual: Power steering ecu communication stop mode

Toyota RAV4 Service Manual / Can communication / Fail-safe chart / Power steering ecu communication stop mode

Description

Toyota RAV4. Power steering ecu communication stop mode


Wiring diagram

Toyota RAV4. Power steering ecu 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 (power steering ecu main wire)

Toyota RAV4. Check can bus line for disconnection (power steering ecu main wire)


  1. Disconnect the e18 power steering ecu connector.
  2. Measure the resistance of the wire harness side connector.

Standard resistance




  1. Check wire harness (power steering ecu - battery and body ground)

Toyota RAV4. Check wire harness (power steering ecu - battery and body ground)


  1. Disconnect the a1 and e18 power steering ecu connectors.
  2. Measure the resistance of the wire harness side connector.

Standard resistance


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

Standard voltage




Replace power steering ecu

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