SEAT BELT WARNING SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

Tech Tips


  • Use the following procedures to troubleshoot the seat belt warning system.

  • *: 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 CAN COMMUNICATION SYSTEM*


    1. Use the intelligent tester to check if the CAN Communication System is functioning normally.

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

      B

      GO TO CAN COMMUNICATION SYSTEM Click here

      A

  4. PROBLEM SYMPTOMS TABLE

    Tech Tips

    Click here.


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  5. OVERALL ANALYSIS AND TROUBLESHOOTING*


    1. DATA LIST / ACTIVE TEST Click here.

    2. Terminals of ECU Click here.

    3. On-vehicle Inspection Click here.


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  6. REPAIR OR REPLACE


    NEXT

  7. CONFIRMATION TEST


    NEXT
    END