AIRBAG SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

Tech Tips


  • Use these procedures to troubleshoot the supplemental restraint system.


  • *: Use the intelligent tester.


  1. VEHICLE BROUGHT TO WORKSHOP


    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.


    NEXT

  3. CHECK FOR DTC*


    1. Check for DTC and note any codes that are output.

    2. Delete the DTC.

    3. Recheck for DTC.

      Result
      Result Proceed to
      DTC does not reoccur A
      DTC reoccurs B

      B

      Go to step 6
      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. On-vehicle inspection.

    2. Terminals of ECU.


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  6. REPAIR OR REPLACE


    NEXT

  7. CONFIRMATION TEST


    NEXT
    END