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

DESCRIPTION

Refer to VSC OFF Indicator Light Remains ON Click here.

WIRING DIAGRAM

Refer to VSC OFF Indicator Light Remains ON Click here.

CAUTION / NOTICE / HINT

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. READ VALUE USING INTELLIGENT TESTER (TRC/VSC OFF MODE)


    1. Turn the ignition switch off.

    2. Connect the intelligent tester to the DLC3.

    3. Start the engine.

    4. Select the Data List on the intelligent tester Click here.

      ABS/VSC/TRC
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      TRC/VSC Off Mode VSC OFF switch / Normal, TRC OFF, Unknown or VSC OFF

      Normal: Normal

      TRC OFF: TRC off mode

      VSC OFF: VSC off mode

      		 -

    5. Check that the mode display changes according to VSC OFF switch operation.

      OK
      Display changes according to switch 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

    INSPECT VSC OFF SWITCH Click here

    OK

  3. INSPECT COMBINATION METER ASSEMBLY


    1. Perform the Active Test of the combination meter to check the VSC OFF indicator light using the intelligent tester Click here.

      OK
      The VSC OFF indicator light turns 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.


    OK

    REPLACE BRAKE ACTUATOR ASSEMBLY Click here

    NG

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

  4. INSPECT VSC OFF SWITCH


    1. A004T0WE01
      *1 Component without harness connected: (VSC OFF Switch)
      *2 Not pushed in
      *3 Pushed in

      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 (VSC OFF SWITCH - SKID CONTROL ECU/BODY GROUND)


    1. Disconnect the skid control ECU connector.

    2. Disconnect the VSC OFF switch connector.

    3. A004T5ME01
      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.


    OK

    REPLACE BRAKE ACTUATOR ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR