METER / GAUGE SYSTEM Engine Coolant Temperature Receiver Gauge Malfunction

DESCRIPTION

The combination meter assembly controls the engine coolant temperature receiver gauge in accordance with the engine coolant temperature sensor signals from the ECM through the CAN communication system.

WIRING DIAGRAM

A004JZ0E03
*1 CAN Communication Line
*2 COMBINATION METER ASSEMBLY

PROCEDURE


  1. CHECK CAN COMMUNICATION SYSTEM


    1. Check if CAN communication DTCs are output Click here.

      Result
      Result Proceed to
      DTCs are not output A
      DTCs are output B

    B

    GO TO CAN COMMUNICATION SYSTEM Click here

    A

  2. PERFORM ACTIVE TEST USING GTS (WATER TEMPERATURE METER OPERATION)


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / 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
      Water Temperature Meter Operation Water temperature gauge LOW, NORMAL, HIGH Vehicle is stopped and engine is idling
      OK
      The value selected during Active Test is displayed.

    NG

    REPLACE COMBINATION METER ASSEMBLY Click here

    OK

  3. READ VALUE USING GTS (COOLANT TEMPERATURE)


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / 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 108 (176 to 226) Unit: °C ( °F)
      OK
      The vehicle's coolant temperature and tester value are the same.

    NG

    REPLACE COMBINATION METER ASSEMBLY Click here

    OK

  4. CHECK SFI SYSTEM


    1. Check if the SFI system outputs DTCs Click here.

      Result
      Result Proceed to
      DTCs are not output A
      DTCs are output B

    B

    GO TO SFI SYSTEM Click here

    A

  5. READ VALUE USING GTS (COOLANT TEMP)


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

    4. Enter the following menus: Powertrain / Engine and ECT / Data List.

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

      Engine and ECT
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Coolant Temp

      Coolant temperature

      Min.: -40 (-40)

      Max.: 215 (419)

      		 After warming up: 75 to 100 (167 to 212) Unit: °C ( °F)
      OK
      The vehicle's coolant temperature and tester value are the same.

    NG

    GO TO SFI SYSTEM Click here

    OK

  6. REPLACE COMBINATION METER ASSEMBLY


    1. Replace the combination meter assembly with a new or a normal one Click here.

      OK
      The operation of the engine coolant temperature returns to normal.

    OK

    END

    NG

    REPLACE ECM Click here