Toyota RAV4 manuals

Toyota RAV4 Service Manual: Tc and cg terminal circuit

Description

Dtc output mode is set by connecting terminals tc and cg of the dlc3.

The dtcs are displayed by blinking the srs warning light.

Hint:

Wiring diagram

Toyota RAV4. Tc and cg terminal circuit


Inspection procedure

  1. Check wire harness (dlc3 - ecm)

Toyota RAV4. Check wire harness (dlc3 - ecm)


  1. Turn the ignition switch off.
  2. Disconnect the a9 connectors from the center airbag sensor .
  3. Measure the resistance of the wire harness side connectors.

Standard resistance




  1. Check wire harness (cg of dlc3 - body ground)

Toyota RAV4. Check wire harness (cg of dlc3 - body ground)


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

Standard resistance



  1. Check wire harness (tc of ecm)

Toyota RAV4. Check wire harness (tc of ecm)


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

Standard resistance




  1. Replace ecm

  1. Replace the ecm.
  2. Check the dtc of the ecm (see page es-35).

Result




Repair or replace wire harness or each ecu

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