VEHICLE STABILITY CONTROL SYSTEM Slip Indicator Light Remains ON

DESCRIPTION

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

If the skid control ECU stores a DTC, the SLIP indicator light will come on in the combination meter assembly.

The SLIP indicator light blinks during VSC and/or TRC operation.

When the system fails, the SLIP indicator light comes on to warn the driver.

WIRING DIAGRAM

A011BDLE01

INSPECTION PROCEDURE

Note


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

  • Inspect the fuses for circuits related to this system before performing the following inspection procedure.

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 Click here

    A

  2. CHECK IF BRAKE ACTUATOR ASSEMBLY CONNECTOR IS SECURELY CONNECTED


    1. Check if the skid control ECU (brake actuator assembly) 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 (1KR-FE) B
      NG (1NR-FE) C

    B

    CHECK OR REPLACE CHARGING SYSTEM OR BATTERY Click here

    C

    CHECK OR REPLACE CHARGING SYSTEM OR BATTERY Click here

    A

  4. READ VALUE USING GTS (SLIP INDICATOR LIGHT)


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

    4. Enter the following menus: Chassis / ABS/VSC/TRC / Data List.

    5. According to the display on the GTS, read the Data List.

      ABS/VSC/TRC
      GTS Display Measurement Item/Range Normal Condition Diagnostic Note
      Slip Indicator Light SLIP indicator light / OFF or ON

      OFF: Indicator light OFF

      ON: Indicator light ON

      		 -

    6. Check the GTS display condition of the SLIP indicator light.

      Result
      Result Proceed to
      Display of the Data List remains OFF. A
      Display of the Data List remains ON. B

      Tech Tips

      If troubleshooting has been carried out according to Problem Symptoms Table, refer back to the table and proceed to the next step Click here.


    B

    REPLACE BRAKE ACTUATOR ASSEMBLY Click here

    A

    GO TO METER / GAUGE SYSTEM Click here