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SEAT BELT WARNING SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

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DTC Code DTC Name
  HOW TO PROCEED WITH TROUBLESHOOTING
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CAUTION / NOTICE / HINT

Tip:

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

  • *: Use the GTS.

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PROCEDURE


  1. Click here

    VEHICLE BROUGHT TO WORKSHOP

    Result
    Proceed to
    NEXT

  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.

    Result
    Proceed to
    NEXT

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    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 the output of the same CAN communication system DTC or airbag system DTC by simulating the symptoms indicated by the DTC. Then recheck for DTCs.

      Result
      Result Proceed to
      DTC is not output A
      CAN communication system DTC is output (for LHD with Central Gateway ECU) B
      CAN communication system DTC is output (for LHD without Central Gateway ECU) C
      CAN communication system DTC is output (for RHD with Central Gateway ECU) D
      CAN communication system DTC is output (for RHD without Central Gateway ECU) E
      Airbag system DTC is output F

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    PROBLEM SYMPTOMS TABLE


    1. Refer to the problem symptoms table.

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      Result
      Proceed to
      NEXT

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    OVERALL ANALYSIS AND TROUBLESHOOTING*


    1. Operation Check

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    2. Data List / Active Test

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    3. Terminals of ECU

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      Result
      Proceed to
      NEXT

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    REPAIR OR REPLACE

    Result
    Proceed to
    NEXT

  7. Click here

    CONFIRMATION TEST

    Result
    Proceed to
    NEXT

    • NEXT

      END