AIRBAG SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tech Tips


  • Use these procedures to troubleshoot the airbag system.

  • *: Use the GTS.

PROCEDURE


  1. VEHICLE BROUGHT TO WORKSHOP

    Result
    Proceed to
    NEXT

    NEXT

  2. CUSTOMER PROBLEM ANALYSIS


    1. Confirm problem symptoms.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  3. INSPECT AUXILIARY BATTERY VOLTAGE


    1. Measure the auxiliary battery voltage with the power switch off.

      Standard voltage
      11 to 14 V

      Tech Tips


      • A simple method to determine whether the auxiliary battery is discharged is to operate the horn.

      • If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding.

    2. Check the fuses and relays.

    3. Check the connector connections and terminals to make sure that there are no abnormalities such as loose connections, deformation, etc.

      Result
      Proceed to
      NEXT

    NEXT

  4. CHECK CAN COMMUNICATION SYSTEM*


    1. Using the GTS, check if the CAN communication system is functioning normally.

      OK
      CAN communication system is functioning normally.

      Tech Tips


      • Refer to Communication Bus Check in CAN Communication System.

        Click here

      • The airbag sensor assembly is connected to the CAN communication system. Therefore, before starting troubleshooting, make sure to check that there are no malfunctions in the CAN communication system.

      Result
      Proceed to
      OK
      NG

    NG

    GO TO CAN COMMUNICATION SYSTEM Click here

    OK

  5. SRS WARNING LIGHT CHECK


    1. Proceed to Operation System.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  6. CHECK DTC*


    1. Check for DTCs.

      Click here


      Body Electrical > SRS Airbag > Trouble Codes
      OK
      DTCs are not output.
      Result
      Proceed to
      OK
      NG

    NG

    GO TO PROBLEM SYMPTOMS TABLE Click here

    OK

  7. DIAGNOSTIC TROUBLE CODE CHART


    1. Diagnostic Trouble Code Chart.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  8. CIRCUIT INSPECTION*

    Result
    Proceed to
    NEXT

    NEXT

  9. REPAIR

    Result
    Proceed to
    NEXT

    NEXT

  10. CLEAR DTC*


    1. Clear the DTCs.

      Click here


      Body Electrical > SRS Airbag > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  11. CHECK DTC*


    1. Check for DTCs.

      Click here


      Body Electrical > SRS Airbag > Trouble Codes
      OK
      DTCs are not output.
      Result
      Proceed to
      OK
      NG

    NG

    GO TO STEP 13 Click here

    OK

  12. USE SIMULATION METHOD TO CHECK

    Click here

    Result
    Proceed to
    NEXT

    NEXT

  13. IDENTIFICATION OF PROBLEM

    Result
    Proceed to
    NEXT

    NEXT

  14. REPAIR OR REPLACEMENT

    Result
    Proceed to
    NEXT

    NEXT

  15. CONFIRMATION TEST

    Result
    Proceed to
    NEXT

    NEXT

    END