VEHICLE STABILITY CONTROL SYSTEM VSC OFF Indicator Light Remains ON

DESCRIPTION

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

Pressing the VSC OFF switch turns off traction control and pressing and holding this switch turns off traction and VSC controls. If VSC control turns off, the VSC OFF indicator light will come on.

WIRING DIAGRAM

A01CBVSE01

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK CAN COMMUNICATION SYSTEM


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

      Result
      Result Proceed to
      DTC is not output A
      DTC is output B

    B

    INSPECT CAN COMMUNICATION SYSTEM Click here

    A

  2. CHECK IF SKID CONTROL ECU CONNECTOR IS SECURELY CONNECTED


    1. Check if the skid control ECU connector is securely connected.

      OK
      The connector is securely connected.

    NG

    CONNECT CONNECTOR TO ECU CORRECTLY

    OK

  3. CHECK BATTERY


    1. Check the battery voltage.

      Standard Voltage
      11 to 14 V
      Result
      Result Proceed to
      OK A
      NG (for 2GR-FE) B
      NG (for 2AZ-FE) C

    B

    CHECK OR REPLACE CHARGING SYSTEM OR BATTERY (2GR-FE) Click here

    C

    CHECK OR REPLACE CHARGING SYSTEM OR BATTERY (2AZ-FE) Click here

    A

  4. INSPECT SKID CONTROL ECU (CSW TERMINAL)


    1. A01CFJZE51

      Disconnect the skid control ECU connector.

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

      Standard Resistance
      Tester Condition Switch Condition Specified Condition
      A10-17 (CSW) - Body ground VSC OFF Switch OFF (Not pressed) 10 kΩ or higher

    NG

    INSPECT VSC OFF SWITCH Click here

    OK

  5. INSPECT COMBINATION METER ASSEMBLY


    1. Reconnect the skid control ECU connector.

    2. Perform the Active Test of the combination meter assembly using the intelligent tester Click here.

    3. Check the combination meter assembly.

      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.


    NG

    REPLACE COMBINATION METER ASSEMBLY Click here

    OK

    REPLACE BRAKE ACTUATOR ASSEMBLY Click here

  6. INSPECT VSC OFF SWITCH


    1. A01CFB7E01

      Disconnect the VSC OFF switch connector.

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

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

    NG

    REPLACE VSC OFF SWITCH Click here

    OK

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


    1. A01CAT8E03

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A10-17 (CSW) - G31-1 (+) Always Below 1 Ω
      A10-17 (CSW) - Body ground Always 10 kΩ or higher
      G31-3 (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 Click here.


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE BRAKE ACTUATOR ASSEMBLY Click here