VEHICLE STABILITY CONTROL SYSTEM VSC OFF Indicator Light does not Come ON

DESCRIPTION

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

Pressing the VSC OFF switch turns off traction control and pressing and holding this switch turns off traction control and VSC. If VSC turns off, the VSC OFF message will be displayed on the multi-information display and the master warning light will come on.

WIRING DIAGRAM

Refer to VSC OFF Indicator 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
      DTC is not output. A
      DTC is output. B

    B

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

    A

  2. CHECK HARNESS AND CONNECTOR (CSW TERMINAL)


    1. A003CIYE15
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Skid Control ECU)

      Disconnect the skid control ECU connector.

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      A42-17 (CSW) - Body ground VSC OFF switch held on Below 1 Ω

    NG

    Click here

    OK

  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

  4. INSPECT VSC OFF SWITCH


    1. A003BLRE01

      Remove the VSC OFF switch Click here.

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      6 (+) - 3 (E) Switch is pushed in Below 1 Ω
      Switch is not pushed in 10 kΩ or higher

    NG

    REPLACE VSC OFF SWITCH Click here

    OK

  5. CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - VSC OFF SWITCH)


    1. Disconnect the skid control ECU connector.

    2. Disconnect the VSC OFF switch connector.

    3. A003B3HE02
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Skid Control ECU)
      *2

      Front view of wire harness connector

      (to VSC OFF Switch)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A42-17 (CSW) - D67-6 (+) Always Below 1 Ω
      A42-17 (CSW) - Body ground Always 10 kΩ or higher
      D67-3 (E) - Body ground Always Below 1 Ω

      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

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE BRAKE ACTUATOR ASSEMBLY Click here