METER / GAUGE SYSTEM Engine Coolant Temperature Receiver Gauge Malfunction

DESCRIPTION

In this circuit, the meter CPU receives engine coolant temperature signals from the ECM using the CAN communication system. The meter CPU displays engine coolant temperature that is calculated based on the data received from the ECM.

WIRING DIAGRAM

A01CICTE01

INSPECTION PROCEDURE

Tech Tips

If there is an open or short in the engine coolant temperature sensor circuit, the ECM stores the DTCs. Troubleshoot the ECD System Click here.

PROCEDURE


  1. CHECK CAN COMMUNICATION SYSTEM


    1. Check if a CAN communication DTC is output Click here.

      Result
      Result Proceed to
      CAN communication DTC is not output A
      CAN communication DTC is output B

    B

    GO TO CAN COMMUNICATION SYSTEM Click here

    A

  2. CHECK ENGINE CONTROL SYSTEM


    1. Check if a engine control DTC is output Click here.

      Result
      Result Proceed to
      Engine control DTC is not output A
      Engine control DTC is output B

    B

    GO TO ECD SYSTEM Click here

    A

    REPLACE COMBINATION METER ASSEMBLY Click here