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Home >> Subaru >> 2024 >> Impreza Base >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Air Bag System (Diagnostics) >> Basic Diagnostic Procedure >> Procedure

Basic Diagnostic Procedure: Procedure

  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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