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BACK DOOR CLOSER SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

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Click here Click here
Tip:

  • The back door closer system troubleshooting procedure is 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 following procedure to troubleshoot the back door closer system.

  • *: Use the intelligent tester.


  1. Click here

    VEHICLE BROUGHT TO WORKSHOP


    • NEXT
  2. Click here

    CUSTOMER PROBLEM ANALYSIS

    Tip:

    • In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the conditions at the time the malfunction occurred.

    • Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.

    • The following 5 items are important points in the problem analysis:

    What Vehicle model, system name
    When Date, time, occurrence frequency
    Where Road conditions
    Under what conditions? Running conditions, driving conditions, weather conditions
    How did it happen? Problem symptoms

    • NEXT
  3. 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 to the next step.


    • NEXT
  4. Click here

    CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*


    1. Use the intelligent tester to check if the CAN communication system is functioning normally (Click here).

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

      • B
      • Go to CAN COMMUNICATION SYSTEM (See pageClick here)
      • A
  5. Click here

    CHECK FOR DTC*


    1. Clear the DTCs (Click here).

    2. Recheck for DTCs.

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

      • B
      • Go to DIAGNOSTIC TROUBLE CODE CHART (See pageClick here)
      • A
  6. Click here

    PROBLEM SYMPTOMS TABLE


    1. Refer to Problem Symptoms Table (Click here).

      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 8
      • A
  7. 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
  8. Click here

    REPAIR OR REPLACE


    • NEXT
  9. Click here

    CONFIRMATION TEST


    • NEXT
    • END