VEHICLE STABILITY CONTROL SYSTEM ABS Warning Light does not Come ON

DESCRIPTION

The skid control ECU (brake actuator assembly) is connected to the combination meter via CAN communication.

WIRING DIAGRAM

Refer to ABS Warning Light Remains ON Click here.

INSPECTION PROCEDURE

Note

When replacing the brake actuator assembly, perform zero point calibration and store system information Click here.

PROCEDURE


  1. CHECK CAN COMMUNICATION SYSTEM


    1. Check if a CAN communication system DTC is output (for LHD: Click here, for RHD: 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 (HOW TO PROCEED WITH TROUBLESHOOTING) Click here

    C

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

    A

  2. CHECK ABS WARNING LIGHT


    1. Disconnect the skid control ECU (brake actuator assembly) connector.

    2. Turn the engine switch on (IG).

    3. Check that the ABS warning light comes on.

      OK
      The ABS 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 suspected area before replacing the part Click here.


    NG

    Click here

    OK

    REPLACE BRAKE ACTUATOR ASSEMBLY Click here

  3. PERFORM ACTIVE TEST USING GTS (ABS WARNING LIGHT)


    1. Turn the engine switch off.

    2. Connect the GTS to the DLC3.

    3. Start the engine.

    4. Turn the GTS on.

    5. Enter the following menus: Chassis / ABS/VSC/TRC / Active Test.

    6. When performing the ABS Warning Light Active Test, check ABS Warning Light in the Data List Click here.

      Result
      Result Proceed to
      Data List Display Data List Display when Performing Active Test ON/OFF Operation
      ON Does not change between ON and OFF A
      Changes between ON and OFF B
      OFF Does not change between ON and OFF A
      Changes between ON and OFF B

    B

    GO TO METER / GAUGE SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) Click here

    A

    REPLACE BRAKE ACTUATOR ASSEMBLY Click here