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

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tech Tips


  • The wireless door lock control system troubleshooting procedures are 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 intelligent tester.

PROCEDURE


  1. VEHICLE BROUGHT TO WORKSHOP

    Result
    Proceed to
    NEXT

    NEXT
  2. 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.

    Result
    Proceed to
    NEXT

    NEXT
  3. CHECK FOR DTC*


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

      Click here

    2. Clear the DTCs.

    3. Recheck for DTCs. Based on the DTCs output above, try to force output of the same CAN communication system DTC or wireless door lock control system DTC by simulating the symptoms indicated by the DTC.

      Result
      Result Proceed to
      DTC is not output A
      CAN communication system DTC is output (w/ Toyota Safety Sense) B
      CAN communication system DTC is output (w/o Toyota Safety Sense) C
      Wireless door lock control system DTC is output D

    B
    C
    D
    A
  4. 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

    B
    A
  5. 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

    NEXT
  6. REPAIR OR REPLACE

    Result
    Proceed to
    NEXT

    NEXT
  7. CONFIRMATION TEST

    Result
    Proceed to
    NEXT

    NEXT