STEERING LOCK SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

Tech Tips


  • Use the following procedures to troubleshoot the steering lock system.

  • *: Use the intelligent tester.


  1. VEHICLE BROUGHT TO WORKSHOP


    NEXT

  2. CUSTOMER PROBLEM ANALYSIS


    1. Interview the customer and confirm the problem Click here.


      NEXT

  3. CHECK 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.

    Tech Tips

    A simple method to determine whether the battery is depleted is to operate the horn.


    NEXT

  4. CHECK DTC*


    1. Check for DTCs and make a note of any codes that are output Click here.

      Tech Tips

      When DTCs indicating CAN and/or LIN communication system malfunctions are output, repair the CAN and/or LIN communication systems before performing diagnosis Click here for CAN and/or Click here for LIN).

      Result
      Result Proceed to
      DTC is not output. (Problem symptom cannot be confirmed or reproduced.) A
      DTC is not output. (Problem symptom can be confirmed and reproduced.) B
      Steering lock system DTC is output. C

      Tech Tips


      • When steering lock system DTCs are output, refer to Diagnostic Trouble Code Chart Click here.

      • The steering lock system does not store past DTCs.


      B

      Go to step 6
      C

      Go to step 8
      A

  5. SYMPTOM SIMULATION


    1. Proceed to How to Proceed with Troubleshooting Click here.


      NEXT

  6. PROBLEM SYMPTOMS TABLE


    1. Proceed 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

      Go to step 8
      A

  7. OVERALL ANALYSIS AND TROUBLESHOOTING*


    1. Proceed to Data List / Active Test Click here.

    2. Proceed to Terminals of ECU Click here.


      NEXT
      Go to step 9

  8. CIRCUIT INSPECTION*


    NEXT

  9. REPAIR OR REPLACE


    NEXT

  10. CHECK DTC AGAIN*


    1. Clear the DTCs Click here.

    2. Check for DTCs and make a note of any codes that are output Click here.

      Tech Tips

      Perform the DTC output confirmation operation.

      Result
      Result Proceed to
      DTC is not output. A
      Steering lock system DTC is output. B

      B

      GO TO DIAGNOSTIC TROUBLE CODE CHART Click here

      A
      END