VEHICLE STABILITY CONTROL SYSTEM VSC Warning Light does not Come ON

DESCRIPTION

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

If the ECU stores a VSC DTC, the VSC DTC will be displayed on the multi-information display in the combination meter.

WIRING DIAGRAM

Refer to VSC 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. PERFORM ACTIVE TEST USING INTELLIGENT TESTER (VSC WARNING LIGHT)


    1. Connect the intelligent tester to the DLC3.

    2. Start the engine.

    3. Select the Active Test mode on the intelligent tester Click here.

      ABS/VSC/TRC
      Tester Display Test Part Control Range Diagnostic Note
      VSC Warning Light VSC warning indicator (multi-information display) Warning indicator ON/OFF Observe combination meter.

    4. Check that the master warning light and multi-information display on the combination meter turn on or off in accordance with the intelligent tester operation.

      OK
      The master warning light and multi-information display turn on or 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

    Click here

    OK

    REPLACE BRAKE ACTUATOR ASSEMBLY Click here

  3. INSPECT COMBINATION METER ASSEMBLY


    1. Check the combination meter Click here.

      Result
      Result Proceed to
      The combination meter is normal. A
      The combination meter is abnormal. B

      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.


    B

    REPLACE COMBINATION METER ASSEMBLY Click here

    A

    REPLACE BRAKE ACTUATOR ASSEMBLY Click here