ANTI-LOCK BRAKE 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 assembly via CAN communication.

PROCEDURE

  1. CHECK CAN COMMUNICATION SYSTEM

    1. Check if CAN communication system DTCs are output.

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      Result

      Result

      Proceed to

      DTCs are not output.

      A

      DTCs are output.

      B
    B

    INSPECT CAN COMMUNICATION SYSTEM

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    A

  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

      Chassis > ABS/VSC/TRC > Active Test

      Tester Display

      Measurement Item

      Control Range

      Diagnostic Note

      ABS Warning Light

      ABS warning light

      Warning light ON/OFF

      Observe combination meter assembly

      Chassis > ABS/VSC/TRC > Active Test

      Tester Display

      ABS Warning Light

    4. Select the Data List on the GTS.

      Click here

      Chassis > ABS/VSC/TRC > Data List

      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

      -

      Chassis > ABS/VSC/TRC > Data List

      Tester Display

      ABS Warning Light

    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
      Tip:

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

      Click here

    A

    REPLACE BRAKE ACTUATOR ASSEMBLY

    Click here

    B

  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 hereClick here

      Body Electrical > Combination Meter > Active Test

      Tester Display

      Indicat. Lamp ABS

    3. Check the combination meter assembly.

      OK

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

      Tip:

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

      Click here

    Result

    Proceed to

    OK

    NG
    OK

    REPLACE BRAKE ACTUATOR ASSEMBLY

    Click here

    NG

    INSPECT METER / GAUGE SYSTEM

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