VEHICLE STABILITY CONTROL SYSTEM ABS Warning Light does not Come ON

DTC Code DTC Name
ABS Warning Light does not Come ON

DESCRIPTION

The skid control ECU (brake actuator assembly) is connected to the combination meter via CAN communication.

WIRING DIAGRAM

Refer to ABS Warning Light Remains ON (Click here).

CAUTION / NOTICE / HINT

Note:

When replacing the skid control ECU (brake actuator assembly), perform system variant learning and acceleration sensor zero point calibration (Click here).

PROCEDURE

  1. CHECK CAN COMMUNICATION SYSTEM

    INSPECT CAN COMMUNICATION SYSTEM

  2. PERFORM ACTIVE TEST USING GTS (ABS WARNING LIGHT)

    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Select the Active Test on the GTS (Click here).

      Table 1. ABS/VSC/TRC

      Tester Display

      Test Part

      Control Range

      Diagnostic Note

      ABS Warning Light

      ABS warning light

      Warning light ON/OFF

      Can be observed on the combination meter assembly

      Vehicle condition: Vehicle stopped

    4. Select the Data List on the GTS (Click here).

      Table 2. ABS/VSC/TRC

      Tester Display

      Measurement Item/Range

      Normal Condition

      Diagnostic Note

      ABS Warning Light

      ABS warning light/ ON or OFF

      ON: Warning light on

      OFF: Warning light off

      -

    5. Check the operating condition of the ABS warning light when operating it using the GTS.

      Result

      Result

      Proceed to

      ABS warning light in the Data List does not change using the Active Test.

      A

      ABS warning light in the Data List turns ON/OFF using the Active Test.

      B

    REPLACE BRAKE ACTUATOR ASSEMBLY

  3. INSPECT COMBINATION METER ASSEMBLY

    1. Turn the ignition switch off.

    2. Perform an Active Test of the combination meter assembly using the GTS (Click here).

    3. Check the combination meter assembly.

      OK

      The ABS warning light turns on or off in accordance with the Active Test operation.

    REPLACE BRAKE ACTUATOR ASSEMBLY

    INSPECT METER / GAUGE SYSTEM