HEATED STEERING WHEEL SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

Tech Tips

Use these procedures to troubleshoot the heated steering wheel system.


  1. VEHICLE BROUGHT TO WORKSHOP


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  2. INSPECT AUXILIARY BATTERY VOLTAGE

    Standard voltage
    11 to 14 V

    If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding to the next step.


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  3. 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

    Go to step 5
    A

  4. OVERALL ANALYSIS AND TROUBLESHOOTING


    1. Terminals of ECU Click here


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  5. REPAIR OR REPLACE


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  6. CONFIRMATION TEST


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    END