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WIRELESS DOOR LOCK CONTROL SYSTEM(w/o Entry and Start 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 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.

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PROCEDURE


  1. Click here

    VEHICLE BROUGHT TO WORKSHOP

    Result
    Proceed to
    NEXT

  2. Click here

    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.

      Result
      Proceed to
      NEXT

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    INSPECT 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
      DTC is not output A
      DTC is output (w/ Toyota Safety System) B
      DTC is output (w/o Toyota Safety System) C

  4. Click here

    PROBLEM SYMPTOMS TABLE

    Result
    Result Proceed to
    Fault is not listed in Problem Symptoms Table A
    Fault is listed in Problem Symptoms Table B

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    OVERALL ANALYSIS AND TROUBLESHOOTING*


    1. Terminals of ECU.

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    2. Data List / Active Test.

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    3. Operation Check.

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      Result
      Proceed to
      NEXT

  6. Click here

    REPAIR OR REPLACE

    Tip:

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

    Result
    Proceed to
    NEXT

  7. Click here

    CONFIRMATION TEST

    Result
    Proceed to
    NEXT

    • NEXT

      END