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WIRELESS DOOR LOCK CONTROL SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

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DTC Code DTC Name
  HOW TO PROCEED WITH TROUBLESHOOTING
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CAUTION / NOTICE / HINT

Tip:

  • The wireless door lock control system troubleshooting procedure is based on the premise that the power door lock control system is operating normally. Check the power door lock control system first before troubleshooting the wireless door lock control system. Use this procedure to troubleshoot the wireless door lock control system.

  • *: Use the GTS.

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PROCEDURE


  1. Click here

    VEHICLE BROUGHT TO WORKSHOP

    Result
    Proceed to
    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
    Result
    Proceed to
    NEXT

  3. Click here

    INSPECT AUXILIARY BATTERY VOLTAGE


    1. Measure the auxiliary battery voltage with the power switch off.

      Standard Voltage
      11 to 14 V

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

      Result
      Proceed to
      NEXT

  4. Click here

    INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*


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

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

  5. Click here

    CHECK DTC OUTPUT (WIRELESS DOOR LOCK CONTROL SYSTEM)


    1. Clear the DTCs (Click here).

    2. Recheck for DTCs.

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

  6. Click here

    PROBLEM SYMPTOMS TABLE


    1. Refer 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

  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)

      Result
      Proceed to
      NEXT

  8. Click here

    REPAIR OR REPLACE

    Result
    Proceed to
    NEXT

  9. Click here

    CONFIRMATION TEST

    Result
    Proceed to
    NEXT

    • NEXT

      END