METER / GAUGE SYSTEM Malfunction in Water Temperature Warning Light

WIRING DIAGRAM

A0135YIE02

INSPECTION PROCEDURE

PROCEDURE


  1. INSPECT COMBINATION METER ASSEMBLY


    1. A0137K3E01

      Connect terminals A22-7 (H) and body ground on the wire harness side connector of the combination meter assembly.

    2. Turn the ignition switch to ON, and then check the meter indicator conditions.

      OK
      High engine coolant temperature indicator is ON.

    NG

    REPLACE COMBINATION METER ASSEMBLY Click here

    OK

  2. READ VALUE USING INTELLIGENT TESTER (ENGINE COOLANT TEMPERATURE)


    1. Connect an intelligent tester to the DLC3.

    2. Start the engine and turn the intelligent tester ON.

    3. Enter the following menus: Powertrain / Engine and ECT / Data List / Coolant Temp.

    4. Read the value displayed on the tester.

      Standard
      Between 75°C and 97°C (167°F and 207°F) with the engine warmed up.
      Result
      Result Proceed to
      OK A
      NG (for 1KR-FE with Electronic Throttle Control System) B
      NG (for 1KR-FE without Electronic Throttle Control System) C
      NG (2WZ-TV) D

    B

    GO TO ENGINE CONTROL SYSTEM Click here

    C

    GO TO ENGINE CONTROL SYSTEM Click here

    D

    GO TO ENGINE CONTROL SYSTEM Click here

    A

  3. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - ECM)


    1. A013626E01

      Disconnect the A22 combination meter assembly connector.

    2. Disconnect the B26 or B54 ECM connector.

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      for 1KR-FE
      Tester Connection Condition Specified Condition
      A22-7 (H) - B26-14 (HOT) Always Below 1 Ω
      A22-7 (H) or B26-14 (HOT) - Body ground Always 10 kΩ or higher
      for 2WZ-TV
      Tester Connection Condition Specified Condition
      A22-7 (H) - B54-20 (HOT) Always Below 1 Ω
      22-7 (H) or B54-20 (HOT) - Body ground Always 10 kΩ or higher
      Result
      Result Proceed to
      NG A
      OK (for 1KR-FE with Electronic Throttle Control System) B
      OK (for 1KR-FE without Electronic Throttle Control System) C
      OK (2WZ-TV) D

    4. Reconnect the ECM connector.

    5. Reconnect the combination meter assembly connector.


    B

    REPLACE ECM Click here

    C

    REPLACE ECM Click here

    D

    REPLACE ECM Click here

    A

    REPAIR OR REPLACE HARNESS OR CONNECTOR