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How To Proceed With Troubleshooting [10/2023 - ]: Procedure

  1. VEHICLE BROUGHT TO WORKSHOP 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  2

  2. CUSTOMER PROBLEM ANALYSIS 
    1. Confirm problem symptoms.

      Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2023 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  3

  3. INSPECT BATTERY VOLTAGE 
    1. Measure the battery voltage.

      Standard voltage

      11 to 14 V

      HINT: 

      • A simple method to determine whether the battery is discharged is to operate the horn.
      • If the voltage is below 11 V, recharge or replace the 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

    Result: 

    NEXT 

    See step  4

  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.

      HINT: 

      • Refer to Communication Bus Check in CAN Communication System.

        Refer to DIAGNOSIS SYSTEM [10/2023 - ]

      • The airbag ECU 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

    Result: 

    NG 

    GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2023 - ] 

    Result: 

    OK 

    See step  5

  5. CHECK DTC* 
    1. Check for DTCs.

      Body Electrical > SRS Airbag > Trouble Codes 

      Result

      Result Proceed to
      No DTCs are output A
      Airbag system DTCs are output B
      Pedestrian protection system DTCs art output C

    Result: 

    GO TO DIAGNOSTIC TROUBLE CODE CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART [10/2023 - ] 

    Result: 

    GO TO DIAGNOSTIC TROUBLE CODE CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART [10/2023 - ]  

    Result: 

    See step  6

  6. CHECK VEHICLE CONTROL HISTORY* 
    1. Check for Vehicle control history (RoB) and note any codes that are output.

      Refer to VEHICLE CONTROL HISTORY (RoB) [10/2023 - ]

      Body Electrical > SRS Airbag > Utility 

      Tester Display
      Vehicle Control History (RoB)

      Result

      Proceed to
      Vehicle control history (RoB) is not output
      Vehicle control history (ROB) is output

    Result: 

    Vehicle control history (RoB) is not output 

    GO TO PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [10/2023 - ]  

    Result: 

    Vehicle control history (ROB) is output 

    GO TO GO TO VEHICLE CONTROL HISTORY (RoB). Refer to  VEHICLE CONTROL HISTORY (RoB) [10/2023 - ]