THEFT DETERRENT SYSTEM

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tip:

  • Use these procedures to troubleshoot the theft deterrent system.

  • *: Use the intelligent tester.

  • Troubleshooting of the theft deterrent system is 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 (for Entry Function) are operating normally. Check these systems first before troubleshooting the theft deterrent system.

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.

    Result

    Proceed to

    NEXT
    NEXT

  3. 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

    CAN DTC is not output

    A

    CAN DTC is output

    B
    B

    GO TO CAN COMMUNICATION SYSTEM

    Click here

    A

  4. INSPECT 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

    Click here

    A

  5. CHECK FOR DTC*

    1. Check for DTCs (Click here) and note any codes that are output.

    2. Clear the DTCs.

      Click here

    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

    REPAIR OR REPLACEClick here

    A

  6. 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

    REPAIR OR REPLACEClick here

    A

  7. OVERALL ANALYSIS AND TROUBLESHOOTING*

    1. Data List / Active Test

      Click here

    2. Terminals of ECU

      Click here

    3. Inspection

    Result

    Proceed to

    NEXT

  8. REPAIR OR REPLACE

    Result

    Proceed to

    NEXT
    NEXT

  9. CONFIRMATION TEST

    Result

    Proceed to

    NEXT
    NEXT

    END