CLIMATE CONTROL SEAT SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

Tech Tips


  • Use this procedure to troubleshoot the climate control seat system.

  • The GTS should be used in step 4.


  1. VEHICLE BROUGHT TO WORKSHOP


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  2. CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK


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  3. INSPECT BATTERY VOLTAGE

    Standard voltage
    11 to 14V

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


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  4. INSPECT COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM


    1. Use the GTS to check if the LIN communication system is functioning normally.

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

      B

      Go to LIN COMMUNICATION SYSTEM Click here

      A

  5. PROBLEM SYMPTOMS TABLE


    1. Refer to Problem Symptoms Table Click here.

      Result
      Result Proceed to
      Fault not listed in problem symptoms table A
      Fault listed in problem symptoms table B

      B

      ADJUST, REPAIR OR REPLACE IN ACCORDANCE WITH PROBLEM SYMPTOMS TABLE
      A

  6. OVERALL ANALYSIS AND TROUBLESHOOTING


    1. Circuit inspection

    2. Terminals of ECU

      Tech Tips

      Click here


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  7. ADJUST, REPAIR OR REPLACE


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    END