ELECTRIC PARKING BRAKE SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tech Tips

*: Use the GTS.

PROCEDURE


  1. VEHICLE BROUGHT TO WORKSHOP

    Result
    Proceed to
    NEXT

    NEXT

  2. CUSTOMER PROBLEM ANALYSIS


    1. Interview the customer and confirm the problem.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  3. INSPECT AUXILIARY BATTERY

    Standard voltage
    11 to 14 V (Power switch off)

    • If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding to the next step.

    Result
    Proceed to
    NEXT

    NEXT

  4. CHECK DTC AND FREEZE FRAME DATA*


    1. Check and record DTCs and Freeze Frame Data.

      for DTC Check / Clear: Click here

      for Freeze Frame Data: Click here


      Chassis > Electric Parking Brake > Trouble Codes

      1. Record the DTC and Freeze Frame Data.

    2. Clear the DTCs and Freeze Frame Data.

      Click here


      Chassis > Electric Parking Brake > Clear DTCs

    3. Reconfirm the DTCs.


      1. Reconfirm the DTCs based on the recorded DTCs and Freeze Frame Data.

        Click here


        Chassis > Electric Parking Brake > Trouble Codes

      2. Try to reproduce the problem symptoms based on the recorded DTCs and Freeze Frame Data, and then check if the DTCs are output again.

      Result
      Result Proceed to
      DTCs are not output and problem symptom can be confirmed and reproduced. A
      DTCs are not output. B
      DTCs are not output and problem symptom cannot be confirmed and reproduced. C

      Tech Tips


      • Refer to Diagnostic Trouble Code Chart when any DTCs are output

      • When DTCs indicating a CAN communication system malfunction are output, first troubleshoot and repair the CAN communication system.


    B

    GO TO DIAGNOSTIC TROUBLE CODE CHART Click here

    C

    USE SIMULATION METHOD TO CHECK Click here

    A

  5. PROBLEM SYMPTOMS TABLE


    1. Proceed to Problem Symptoms Table.

      Click here

      Result
      Result Proceed to
      Fault is not listed in Problem Symptoms Table A
      Fault is listed in Problem Symptoms Table B

    B

    GO TO STEP 7 Click here

    A

  6. OVERALL ANALYSIS AND TROUBLESHOOTING*


    1. Refer to Terminals of ECU.

      Click here

    2. Refer to Data List / Active Test.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  7. REPAIR OR REPLACEMENT

    Result
    Proceed to
    NEXT

    NEXT

  8. CONFIRMATION TEST

    Result
    Proceed to
    NEXT

    NEXT

    END