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

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DTC Code DTC Name
  TRC OFF Indicator Light does not Come ON
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DESCRIPTION

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

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WIRING DIAGRAM

Refer to TRC OFF Indicator Light Remains ON (Click here).

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INSPECTION PROCEDURE

Note:

When replacing the brake actuator assembly, perform zero point calibration (Click here).

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PROCEDURE


  1. Click here

    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

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    PERFORM ACTIVE TEST USING INTELLIGENT TESTER (TRC OFF INDICATOR LIGHT)


    1. Connect the intelligent tester to the DLC3.

    2. Start the engine.

    3. Select the Active Test mode on the intelligent tester (Click here).

      Table 1. ABS / VSC / TRC:
      Tester Display Test Part Control Range Diagnostic Note
      TRC(TRAC) OFF Indicator Light TRC OFF indicator light Indicator light ON/OFF Observe combination meter

    4. Check that the TRC OFF indicator light on the combination meter turns on or off in accordance with the intelligent tester operation.

      OK
      The TRC OFF indicator light turns on or off in accordance with the intelligent tester operation.
      Tip:

      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).


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    INSPECT COMBINATION METER ASSEMBLY


    1. Turn the ignition switch off.

    2. Perform the Active Test of the combination meter (meter CPU) using the intelligent tester (Click here).

    3. Check the combination meter.

      OK
      The TRC OFF indicator light turns on or off in accordance with the intelligent tester operation.
      Tip:

      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).


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    REPLACE BRAKE ACTUATOR ASSEMBLYClick here

  5. Click here

    INSPECT CAN COMMUNICATION SYSTEMClick here

  6. Click here

    REPLACE COMBINATION METER ASSEMBLYClick here