AIRBAG SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

Tech Tips


  • Use these procedures to troubleshoot the airbag system.

  • *: 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 CAN COMMUNICATION SYSTEM*


    1. Check if a CAN communication system DTC is output.

      Result
      Result Proceed to
      DTC is not output A
      DTC is output (for LHD with Entry and Start System) B
      DTC is output (for LHD without Entry and Start System) C
      DTC is output (for RHD with Entry and Start System) D
      DTC is output (for RHD without Entry and Start System) E

      B

      Go to CAN COMMUNICATION SYSTEM Click here

      C

      Go to CAN COMMUNICATION SYSTEM Click here

      D

      Go to CAN COMMUNICATION SYSTEM Click here

      E

      Go to CAN COMMUNICATION SYSTEM Click here

      A

  4. WARNING LIGHT CHECK


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  5. CHECK DTC (Present and Past DTCs)*


    1. Check for DTCs Click here.

      Result
      Result Proceed to
      DTC is output A
      DTC is not output B

      B

      Go to PROBLEM SYMPTOMS TABLE Click here

      A

  6. DTC CHART


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  7. CIRCUIT INSPECTION


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  8. REPAIR


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  9. CLEAR DTC (Present and Past DTCs)*


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  10. CHECK DTC (Present and Past DTCs)*


    1. Check for DTCs Click here.

      Result
      Result Proceed to
      DTC is not output A
      DTC is output B

      B

      Go to DIAGNOSTIC TROUBLE CODE CHART Click here

      A

  11. CONFIRMATION TEST


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    END