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 BATTERY VOLTAGE

    Standard Voltage
    11 to 14 V

    • If the voltage is below 11 V, recharge or replace the 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 > ABS/VSC/TRC/EPB > Trouble Codes
    2. Clear the DTCs and freeze frame data.

      for DTC Check / Clear: Click here


      Chassis > ABS/VSC/TRC/EPB > Clear DTCs
    3. Recheck for DTCs.


      1. Reconfirm the DTCs based on the recorded DTCs and freeze frame data.


        Chassis > ABS/VSC/TRC/EPB > 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. (Problem symptom occurs.) A
      DTCs are output. B
      DTCs are not output. (Problem symptom does not occur.) C

      Tech Tips


      • Refer to Diagnostic Trouble Code Chart if any DTCs are output.

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


    B
    C
    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
    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 REPLACE

    Result
    Proceed to
    NEXT

    NEXT
  8. CONFIRMATION TEST

    Result
    Proceed to
    NEXT

    NEXT