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Basic Diagnostic Procedure: Procedure

  1. CHECK WARNING LIGHT. 

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

    Does the airbag warning light illuminate?

    Yes:  Go to  2.

    No:  Perform the diagnosis according to phenomenon of the problem.

  2. READ DTC. 
    1. Turn the ignition switch to OFF.
    2. Connect the Subaru Select Monitor to data link connector.
    3. Turn the ignition switch to ON and run the Subaru Select Monitor.
    4. Read the DTC. Refer to OCCUPANT DETECTION SYSTEM (DIAGNOSTICS)>READ DIAGNOSTIC TROUBLE CODE (DTC)>OPERATION .
      NOTE: If the communication function of the Subaru Select Monitor cannot be executed properly, check the communication circuit. Refer to OCCUPANT DETECTION SYSTEM (DIAGNOSTICS)>SUBARU SELECT MONITOR>INSPECTION .
    5. Record all DTCs and freeze frame data.

      Are any DTCs displayed?

      Yes:  Go to  3.

      No:  Go to "Airbag Warning Light Failure" Refer to AIRBAG SYSTEM (DIAGNOSTICS)>AIRBAG WARNING LIGHT FAILURE .

  3. PERFORM DIAGNOSIS. 
    1. Determine the possible cause from "List of Diagnostic Trouble Code (DTC)" Refer to OCCUPANT DETECTION SYSTEM (DIAGNOSTICS)>LIST OF DIAGNOSTIC TROUBLE CODE (DTC) .
    2. Inspect the DTC using "List of Diagnostic Trouble Code (DTC)".
    3. Repair the trouble cause.
    4. Perform the Clear Memory Mode. Refer to OCCUPANT DETECTION SYSTEM (DIAGNOSTICS)>CLEAR MEMORY MODE .
    5. Perform the Inspection Mode. Refer to OCCUPANT DETECTION SYSTEM (DIAGNOSTICS)>INSPECTION MODE .
    6. Read any other DTCs displayed.

    Are any DTCs displayed?

    Yes:  Perform the procedure  1 to  5 in step  3.

    No:  Finish the diagnosis.