STEERING LOCK SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

Tech Tips


  • Perform troubleshooting in accordance with the following flowchart.

  • *: Use the intelligent tester.


  1. VEHICLE BROUGHT TO WORKSHOP


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  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.


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  3. CHECK AND CLEAR DTCs*


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  4. PROBLEM SYMPTOM CONFIRMATION

    Result
    Result Proceed to
    Symptom does not occur. A
    Symptom occurs. B

    B
    A
  5. SYMPTOM SIMULATION


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  6. CHECK CAN COMMUNICATION SYSTEM*


    1. Use the intelligent tester to check if the CAN communication system is functioning normally Click here.

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

      B
      A
  7. CHECK LIN COMMUNICATION SYSTEM*


    1. Use the intelligent tester to check if the LIN communication system is functioning normally Click here.

      Result
      Result Proceed to
      LIN communication DTC is not output. A
      LIN communication DTC is output. B

      B
      A
  8. DTC CHECK*


    1. Check for DTCs Click here.

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

      A
      B
  9. PROBLEM SYMPTOMS TABLE

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

    B
    A
  10. OVERALL ANALYSIS AND TROUBLESHOOTING*


    1. Terminals of ECU Click here

    2. Data List / Active Test Click here


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  11. REPAIR OR REPLACEMENT


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  12. CONFIRMATION TEST*


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