SEAT BELT WARNING SYSTEM > HOW TO PROCEED WITH TROUBLESHOOTING

for Preparation Click here


HINT:
  1. Use these procedures to troubleshoot the seat belt warning system.
  2. *: 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.

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    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 system DTC or airbag system DTC by simulating the symptoms indicated by the DTC.
      Result 
      Result
      		Proceed to
      DTC output does not reoccur
      		A
      CAN communication system DTC output reoccurs
      		B
      Airbag system DTC output reoccurs
      		C



    		B.
    GO TO CAN COMMUNICATION SYSTEM (Click here)

    		C.
    GO TO AIRBAG SYSTEM (Click here)
    A


    4.PROBLEM SYMPTOMS TABLE
      Result 
      Result
      		Proceed to
      Fault is not listed in Problem Symptoms Table
      		A
      Fault is listed in Problem Symptoms Table
      		B


    		B.
    Go to step 6
    A


    5.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.REPAIR OR REPLACE

      NEXT


      7.CONFIRMATION TEST

        NEXT

        END