Theft Deterrent System How To Proceed With Troubleshooting

  1. VEHICLE BROUGHT TO WORKSHOP

  2. INSPECT BATTERY VOLTAGE

  3. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

  4. CHECK COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM*

  5. CHECK FOR DTC*

  6. PROBLEM SYMPTOMS TABLE

  7. OVERALL ANALYSIS AND TROUBLESHOOTING*

  8. REPAIR OR REPLACE

  9. CONFIRMATION TEST

Theft Deterrent System -- How To Proceed With Troubleshooting


HINT:
  1. Use these procedures to troubleshoot the theft deterrent system.
  2. *: Use the intelligent tester.
  3. The troubleshooting procedures for the theft deterrent system are based on the premise that the door lock control system, wireless door lock control system, lighting system, horn system, engine immobiliser system and entry and start system (w/ Entry and Start System) are operating normally. Check these systems first before troubleshooting the theft deterrent system.


1.VEHICLE BROUGHT TO WORKSHOP

    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.

    NEXT


    3.CHECK 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
      CAN DTC is not output
      		A
      CAN DTC is output (for LHD with Entry and Start System)
      		B
      CAN DTC is output (for LHD without Entry and Start System)
      		C
      CAN DTC is output (for RHD with Entry and Start System)
      		D
      CAN DTC is output (for RHD without Entry and Start System)
      		E



    		B.
    GO TO CAN COMMUNICATION SYSTEM (LandCruiser RM000001RSO0C5X.html)

    		C.
    GO TO CAN COMMUNICATION SYSTEM (LandCruiser RM000001RSO0BYX.html)

    		D.
    GO TO CAN COMMUNICATION SYSTEM (LandCruiser RM000001RSO0BZX.html)

    		E.
    GO TO CAN COMMUNICATION SYSTEM (LandCruiser RM000001RSO0C0X.html)
    A


    4.CHECK COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM*

    1. The theft deterrent system uses the LIN communication system to communicate. Check that the LIN communication system is functioning normally.

      Result
      Result
      		Proceed to
      LIN communication system is normal
      		A
      LIN communication system is malfunctioning
      		B



    		B.
    GO TO LIN COMMUNICATION SYSTEM (LandCruiser RM000001RSO0BWX.html)
    A


    5.CHECK FOR DTC*

    1. Check for DTCs (LandCruiser RM0000012QC017X.html) and note any codes that are output.

    2. Clear the DTCs (LandCruiser RM0000012QC017X.html).

    3. Based on the DTCs output above, try to force output of the same DTC by simulating the symptoms indicated by the DTC. Then recheck for DTCs.

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



    		B.
    Go to step 8
    A


    6.PROBLEM SYMPTOMS TABLE

    1. Refer to Problem Symptoms Table (LandCruiser RM000002TGC02DX.html).

      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 8
    A


    7.OVERALL ANALYSIS AND TROUBLESHOOTING*

    1. Data List / Active Test (LandCruiser RM000000W0S036X.html)

    2. Terminals of ECU (LandCruiser RM000000W0O03WX.html)

    3. Inspection


    NEXT


    8.REPAIR OR REPLACE

      NEXT


      9.CONFIRMATION TEST

        NEXT

        END