SEAT BELT WARNING SYSTEM

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tip:

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

  • Use the intelligent tester.

PROCEDURE

  1. VEHICLE BROUGHT TO WORKSHOP

    Result

    Proceed to

    NEXT
    NEXT

  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.

    Result

    Proceed to

    NEXT
    NEXT

  3. CHECK FOR DTC*

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

    2. Clear the DTCs.

    3. Recheck for DTCs. Based on the DTCs output above, try to cause the output of the same CAN communication system DTC, airbag system DTC or occupant classification system DTC by simulating the symptoms indicated by the DTC.

      Result

      Result

      Proceed to

      DTC is not output

      A

      CAN communication system DTC is output

      B

      Airbag system DTC is output

      C
    B

    GO TO CAN COMMUNICATION SYSTEM

    Click here

    C

    GO TO AIRBAG SYSTEM

    Click here

    A

  4. PROBLEM SYMPTOMS TABLE

    1. Refer to Problem Symptoms Table.

      Click here

      Result

      Proceed to

      NEXT
    NEXT

  5. OVERALL ANALYSIS AND TROUBLESHOOTING*

    1. Data List / Active Test

      Click here

    2. Terminals of ECU

      Click here

      Click here

    3. On-vehicle Inspection

      Click here

      Result

      Proceed to

      NEXT
    NEXT

  6. REPAIR OR REPLACE

    Result

    Proceed to

    NEXT
    NEXT

  7. CONFIRMATION TEST

    Result

    Proceed to

    NEXT
    NEXT

    END