VARIABLE GEAR RATIO STEERING SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

Tech Tips


  • Use the following procedures to troubleshoot the variable gear ratio steering system.

  • *: Use the GTS.


  1. VEHICLE BROUGHT TO WORKSHOP


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  2. INSPECT AUXILIARY BATTERY VOLTAGE

    Standard voltage
    11 to 14 V

    If the voltage is less than 11 V, recharge or replace the auxiliary battery before proceeding.


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  3. CHECK CAN COMMUNICATION SYSTEM*


    1. Using the GTS, check if the CAN communication system is functioning normally (for LHD: Click here, for RHD: Click here.

      Result
      Result Proceed to
      DTC is not output A
      DTC is output for LHD B
      for RHD C

      B

      GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) Click here

      C

      GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) Click here

      A

  4. CHECK DTC*


    1. Check for DTCs Click here.

    2. Clear the DTCs Click here.

    3. Recheck for DTCs Click here.


      1. Simulate the malfunction and check if the DTCs are output again Click here.

        Result
        Result Proceed to
        DTC is output A
        DTC is not output B
        DTCs are not output, and the malfunction cannot be simulated or checked C

      B

      GO TO STEP 9
      C

      SYMPTOM SIMULATION
      A

  5. DTC CHART


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  6. CIRCUIT INSPECTION


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  7. REPAIR


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  8. CONFIRMATION TEST


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    END

  9. PROBLEM SYMPTOMS TABLE


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  10. CIRCUIT INSPECTION


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  11. CONFIRMATION TEST


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    END