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SEAT BELT WARNING SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

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Tip:

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

  • *: Use the intelligent tester.


  1. Click here

    VEHICLE BROUGHT TO WORKSHOP


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  2. Click here

    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. Click here

    CHECK FOR DTC*


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

    2. Clear the DTCs.

    3. Based on the DTCs output above, try to cause output of the same CAN communication system DTC by reproducing the symptoms indicated by the DTC. Then recheck for DTCs.

      Table 1. Result
      Result Proceed to
      DTC is not output A
      CAN communication system DTC is output B

      • B
      • Go to CAN COMMUNICATION SYSTEM (See pageClick here)
      • A
  4. Click here

    PROBLEM SYMPTOMS TABLE


    1. Refer to Problem Symptoms Table (Click here).


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  5. Click here

    OVERALL ANALYSIS AND TROUBLESHOOTING*


    1. Operation Check (Click here)

    2. Data List / Active Test (Click here)

    3. Terminals of ECU (Click here)


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  6. Click here

    REPAIR OR REPLACE


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  7. Click here

    CONFIRMATION TEST


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    • END