ELECTRONICALLY CONTROLLED BRAKE SYSTEM Brake Warning Light does not Come ON

WIRING DIAGRAM

Refer to Brake Warning Light Remains ON Click here.

CAUTION / NOTICE / HINT

Note

When replace the skid control ECU, perform initialization of linear solenoid valve and calibration Click here.

PROCEDURE


  1. INSPECT CAN COMMUNICATION SYSTEM


    1. for LHD:

      Check if the CAN communication system DTC is output Click here.

      for RHD:

      Check if the CAN communication system DTC is output Click here.

      Result
      Result Proceed to
      DTC is not output A
      DTC is output (for LHD) B
      DTC is output (for RHD) C

    B

    GO TO CAN COMMUNICATION SYSTEM (for LHD) Click here

    C

    GO TO CAN COMMUNICATION SYSTEM (for RHD) Click here

    A

  2. INSPECT BRAKE WARNING LIGHT / RED (MALFUNCTION)


    1. Disconnect the skid control ECU connector.

    2. Turn the engine switch on (IG).

    3. Check if the brake warning light / red (malfunction) comes on.

      OK
      Brake warning light / red (malfunction) comes on.

      Tech Tips

      If troubleshooting has been carried out according to the "PROBLEM SYMPTOMS TABLE", refer back to the table and proceed to the next step before replacing the part Click here.

      Result
      Result Proceed to
      NG A
      OK (for LHD) B
      OK (for RHD) C

    B

    REPLACE SKID CONTROL ECU (for LHD) Click here

    C

    REPLACE SKID CONTROL ECU (for RHD) Click here

    A

  3. INSPECT COMBINATION METER ASSEMBLY


    1. Check the combination meter Click here.

      Tech Tips

      If troubleshooting has been carried out according to the PROBLEM SYMPTOMS TABLE, refer back to the table and proceed to the next step Click here.


    OK

    END

    NG

    REPLACE NO. 1 METER ECU SUB-ASSEMBLY Click here