VEHICLE STABILITY CONTROL SYSTEM Brake Warning Light does not Come ON

DESCRIPTION

The skid control ECU is connected to the combination meter via CAN communication.

WIRING DIAGRAM

Refer to Brake Warning Light Remains ON Click here.

INSPECTION PROCEDURE

Note

When replacing the skid control ECU (brake actuator assembly), perform the engine variant learning Click here.

PROCEDURE


  1. CHECK CAN COMMUNICATION SYSTEM


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

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

    B

    GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) Click here

    A

  2. CHECK BRAKE WARNING LIGHT


    1. Disconnect the skid control ECU connector.

    2. Turn the ignition switch to ON.

    3. Check that the brake warning light comes on.

      OK
      The brake warning light 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.


    NG

    Click here

    OK

    REPLACE BRAKE ACTUATOR ASSEMBLY Click here

  3. INSPECT COMBINATION METER ASSEMBLY


    1. Perform the Active Test of the combination meter to check the brake warning light using the intelligent tester Click here.

      OK
      The brake warning light blinks or turns off in accordance with the intelligent tester operation.

      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.


    NG

    REPLACE COMBINATION METER ASSEMBLY Click here

    OK

    REPLACE BRAKE ACTUATOR ASSEMBLY Click here