SEAT BELT WARNING SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tech Tips


  • 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. 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.

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

    B

    GO TO CAN COMMUNICATION 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. Operation Check

      Click here

    2. Data List / Active Test

      Click here

    3. Terminals of ECU

      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