Basic Diagnostic Procedure: Procedure

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.

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. Ref. 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. Ref. to OCCUPANT DETECTION SYSTEM (DIAGNOSTICS)>Subaru Select Monitor>INSPECTION .
5. Record all DTCs and freeze frame data.

Is DTC displayed?

Yes: Go to  3 .

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

1. Determine the possible cause from "List of Diagnostic Trouble Code (DTC)" Ref. 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. Ref. to OCCUPANT DETECTION SYSTEM (DIAGNOSTICS)>Clear Memory Mode .
5. Perform the Inspection Mode. Ref. to OCCUPANT DETECTION SYSTEM (DIAGNOSTICS)>Inspection Mode .
6. Read any other DTCs displayed.

Is DTC displayed?

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

No: Finish the diagnosis.