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

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Tip:

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

  • Use these procedures to troubleshoot the wireless door lock control 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 (Click here).

      Table 1. Result
      Result Proceed to
      CAN communication system DTC is not output A
      CAN communication system DTC is output B

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

      Table 2. Result
      Result Proceed to
      DTC is not output A
      DTC is output B

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

    PROBLEM SYMPTOMS TABLE


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

      Table 3. Result
      Result Proceed to
      Fault is not listed in problem symptoms table A
      Fault is listed in problem symptoms table B

      • B
      • ADJUST, REPAIR OR REPLACE IN ACCORDANCE WITH PROBLEM SYMPTOMS TABLE
      • 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