WIRELESS DOOR LOCK CONTROL SYSTEM (w/o Entry and Start System) HOW TO PROCEED WITH TROUBLESHOOTING

Tech Tips


  • The wireless door lock control system troubleshooting procedures are based on the premise that the power door lock system is operating normally. Check the power door lock system first before troubleshooting the wireless door lock control system.

  • Use this procedure to troubleshoot the wireless door lock control system.

  • *: Use the intelligent tester.


  1. VEHICLE BROUGHT TO WORKSHOP


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  2. CUSTOMER PROBLEM ANALYSIS CHECK


    1. Interview the customer to confirm the problem Click here.


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  3. INSPECT BATTERY VOLTAGE


    1. Check the battery voltage.

      Standard voltage
      11 to 14 V

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


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  4. CHECK FOR DTC*


    1. Check for DTCs and note any codes that are output.

    2. Clear the DTCs.

    3. Recheck for DTCs.

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

      B

      GO TO DTC CHART Click here.
      A

  5. PROBLEM SYMPTOMS TABLE

    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
    A

  6. OVERALL ANALYSIS AND TROUBLESHOOTING*


    1. Terminals of ECU Click here.

    2. Data List/Active Test Click here.

    3. Operation check Click here.


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  7. REPAIR OR REPLACE

    Tech Tips

    Register the recognition code when replacing the door control transmitter or the door control receiver.


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  8. CONFIRMATION TEST


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    END