ELECTRIC PARKING BRAKE SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tech Tips


  • Use these procedures to troubleshoot the electric parking brake system.

  • *: Use the intelligent tester.

PROCEDURE


  1. VEHICLE BROUGHT TO WORKSHOP

    Result
    Proceed to
    NEXT

    NEXT

  2. INSPECT BATTERY VOLTAGE

    Standard voltage
    11 to 14 V

    If the voltage is below 11 V, recharge or replace the battery before proceeding.

    Result
    Proceed to
    NEXT

    NEXT

  3. INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*


    1. Using the intelligent tester, inspect the CAN communication function to ensure there are no malfunctions in the communication system.

      Result
      Result Proceed to
      No DTCs output A
      DTCs output B

    B

    PROCEED TO CAN COMMUNICATION SYSTEM

    A

  4. CHECK DTC AND FREEZE FRAME DATA*

    Result
    Proceed to
    NEXT

    NEXT

  5. CLEAR DTC AND FREEZE FRAME DATA*

    Result
    Proceed to
    NEXT

    NEXT

  6. PROBLEM SYMPTOM CONFIRMATION

    Result
    Proceed to
    NEXT

    NEXT

  7. DTC CHECK AND CLEAR*

    Result
    Proceed to
    NEXT

    NEXT

  8. PROBLEM SYMPTOM CONFIRMATION

    Result
    Result Proceed to
    Symptom does not occur A
    Symptom occurs B

    B

    GO TO STEP 10 Click here

    A

  9. SYMPTOM SIMULATION

    Result
    Proceed to
    NEXT

    NEXT

  10. CHECK FOR DTC (OTHER THAN CAN COMMUNICATION SYSTEM DTC)*

    Result
    Result Proceed to
    No DTCs output A
    DTCs output B

    B

    DTC CHART Click here

    A

  11. PROBLEM SYMPTOMS TABLE

    Result
    Proceed to
    NEXT

    NEXT

    GO TO STEP 13 Click here

  12. DTC CHART

    Result
    Proceed to
    NEXT

    NEXT

  13. CIRCUIT INSPECTION*

    Result
    Proceed to
    NEXT

    NEXT

  14. IDENTIFICATION OF PROBLEM

    Result
    Proceed to
    NEXT

    NEXT

  15. REPAIR OR REPLACE

    Result
    Proceed to
    NEXT

    NEXT

  16. CONFIRMATION TEST*

    Result
    Proceed to
    NEXT

    NEXT

    END