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Basic Diagnostic Procedure: Procedure

WARNING: This page is about a different car, the 2022 Subaru WRX. However, it is still accessible from the selected car via links, so may be relevant.
  1. PERFORM CUSTOMER INTERVIEW  .

    Ask the customer when and how the trouble occurred using the Check List for Interview. Ref. to AIRBAG (DIAGNOSTICS)>CHECK LIST FOR INTERVIEW 

    Did you interview the customer?

    Yes  : Go to  2.

    No  : Perform the interview, and Go to  2.

  2. CHECK WARNING LIGHT  .

    Check whether the airbag warning light in the combination meter is lit.

    Does the airbag warning light illuminate?

    Yes  : Go to  3.

    No  : Check the illuminating pattern of the airbag warning light. If no fault is found, it is normal at present. Ref. to AIRBAG (DIAGNOSTICS)>WARNING LIGHT ILLUMINATION PATTERN 

  3. CHECK SUBARU SELECT MONITOR COMMUNICATION  .
    1. Turn the ignition switch to OFF.
    2. Connect the Subaru Select Monitor to data link connector. Ref. to COMMON (DIAGNOSTICS)>DATA LINK CONNECTOR
    3. Turn the ignition switch to ON and run the Subaru Select Monitor.
    4. Select [Airbag].
      NOTE:

      For detailed operation procedures, refer to "Help" of application. 

    Is communication possible?

    Yes  : Go to  4.

    No  : Check the communication circuit. Ref. to AIRBAG (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE FOR SUBARU SELECT MONITOR COMMUNICATION>INSPECTION 

  4. CHECK DTC  .

    Read the DTC of [Airbag] using the Subaru Select Monitor. Ref. to AIRBAG (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) 

    Are any DTCs displayed? (Current code)

    Yes  : Record the DTC, time stamp and freeze frame data, and Go to  5.

    No  : Perform diagnosis according to the procedures in the diagnostics with phenomenon. Ref. to AIRBAG (DIAGNOSTICS)>DIAGNOSTICS WITH PHENOMENON>INSPECTION 

  5. PERFORM DIAGNOSIS  .
    1. Perform the diagnosis for the displayed DTCs. Ref. to AIRBAG (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC)>LIST 
    2. Repair or replace the cause of trouble.
    3. Using the Subaru Select Monitor, perform the clear memory of [Airbag]. Ref. to COMMON (DIAGNOSTICS)>CLEAR MEMORY
    4. Execute the inspection mode. Ref. to AIRBAG (DIAGNOSTICS)>INSPECTION MODE 
    5. Read the DTC of [Airbag] using the Subaru Select Monitor. Ref. to AIRBAG (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) 

    Are any DTCs displayed? (Current code)

    Yes  : Repeat step  5 until DTC is not shown. Go to  5.

    No  : Finish the diagnosis.

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