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BACK DOOR CLOSER SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

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Tip:

  • The back door closer system troubleshooting procedure based on the premise that the power back door system is operating normally. Check the power back door system first before troubleshooting the back door closer system (Click here).

  • Use the procedure to troubleshoot the back door closer system.

  • *: Use the intelligent tester.


  1. Click here

    VEHICLE BROUGHT TO WORKSHOP


    • NEXT
  2. Click here

    INSPECT BATTERY VOLTAGE

    Standard voltage
    11 to 14 V

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


    • NEXT
  3. Click here

    CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*


    1. Use the intelligent tester to check if the CAN communication system is functioning normally.

      Result
      Result Proceed to
      CAN DTC is not output A
      CAN DTC is output B

      • B
      • Go to CAN COMMUNICATION SYSTEM
      • A
  4. Click here

    CHECK FOR DTC*


    1. Check for DTCs (Click here).

    2. Clear the DTCs (Click here).

    3. Recheck for DTCs (Click here).

      Result
      Result Proceed to
      DTC is not output A
      DTC is output B

      • B
      • Go to DIAGNOSTIC TROUBLE CODE CHART
      • A
  5. Click here

    PROBLEM SYMPTOMS TABLE

    Result
    Result Proceed to
    Fault is not listed on problem symptoms table A
    Fault is listed on problem symptoms table B

    • B
    • Go to step 7
    • A
  6. Click here

    OVERALL ANALYSIS AND TROUBLESHOOTING*


    1. Operation check (Click here)

    2. Terminals of ECU (Click here)

    3. Data List / Active Test (Click here)


      • NEXT
  7. Click here

    REPAIR OR REPLACE


    • NEXT
  8. Click here

    CONFIRMATION TEST


    • NEXT
    • END