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Can Comm, Line Inspection (Open/Short)

  1. Ignition OFF.
  2. 4WD ECM : Disconnect.
  3. Measure resistance between CAN (HIGH) terminal of 4WD ECM harness connector and CAN (LOW) terminal of 4WD ECM harness connector.

    Specification : Approx. 60Ω

    CAUTION: The above value is only for reference.
    The actual value may differ from it according to various engine condition.
  4. Is "resistance" display near the specified value?

    YES: 

    • Fault is intermittent caused by open or short in CAN signal harness or was repaired and "4WD-ECM" memory was not cleared.

    Go to the APPLICABLE TROUBLESHOOTING PROCEDURE .

    NO: 

    • Check for open or short in TCCU communication circuit.
    • Check ECM/PCM or their signal.
    • Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
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