METER / GAUGE SYSTEM Engine Coolant Temperature Receiver Gauge Malfunction

DESCRIPTION

The ECM sends engine coolant temperature sensor signals to the combination meter assembly via CAN communication. Then the combination meter assembly indicates the engine coolant temperature.

WIRING DIAGRAM

A005HQUE01

PROCEDURE


  1. CONFIRM DTC OUTPUT (CAN COMMUNICATION SYSTEM)


    1. Check DTC Click here.

      Result
      Result Proceed to
      DTC U0100 is not output A
      DTC U0100 is output B

    B

    GO TO DIAGNOSTIC TROUBLE CODE CHART Click here

    A

  2. CONFIRM DTC OUTPUT (ENGINE CONTROL SYSTEM)


    1. Check DTC.


      Result
      Result Proceed to
      Engine control DTC is not output A
      Engine control DTC is output (1NR-FE) B
      Engine control DTC is output (1NZ-FE) C
      Engine control DTC is output (1ND-TV) D

    B

    GO TO DIAGNOSTIC TROUBLE CODE CHART Click here

    C

    GO TO DIAGNOSTIC TROUBLE CODE CHART Click here

    D

    GO TO DIAGNOSTIC TROUBLE CODE CHART Click here

    A

  3. PERFORM ACTIVE TEST USING INTELLIGENT TESTER (COOLANT TEMP)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the tester on.

    4. Enter the following menus: Body / Combination Meter / Active Test.

    5. According to the display on the tester, perform the Active Test.

      Combination Meter
      Tester Display Test Part Control Range Diagnostic Note
      Indicat. Lamp Coolant Cool Engine coolant temperature indicator light

      ON: Engine coolant temperature indicator light illuminates.

      OFF: Engine coolant temperature indicator light turns off.

      		 -
      Indicat. Lamp Coolant Hot Engine coolant temperature warning light

      ON: Engine coolant temperature warning light illuminates.

      OFF: Engine coolant temperature warning light turns off.

      		 -
      OK
      Value selected during Active Test is displayed.

    NG

    REPLACE COMBINATION METER ASSEMBLY Click here

    OK

  4. READ VALUE USING INTELLIGENT TESTER (COOLANT TEMP)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the tester on.

    4. Enter the following menus: Body / Combination Meter / Data List.

    5. According to the display on the tester, read the Data List.

      Combination Meter
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Coolant Temperature

      Engine coolant temperature

      Min.: 0 (0)

      Max.: 127.5 (261.5)

      		 After warming up: 80 to 100 (176 to 212) Unit: °C ( °F)
      OK
      Vehicle's coolant temperature and tester value are the same.

    OK

    REPLACE COMBINATION METER ASSEMBLY Click here

    NG

    USE SIMULATION METHOD TO CHECK Click here