Subaru Legacy BN/BS (2015-2019) Service Manual: Basic diagnostic procedure procedure

Subaru Legacy BN/BS (2015-2019) Service Manual / Occupant detection system (diagnostics) / Basic diagnostic procedure procedure

STEP	CHECK	YES	NO
1.CHECK WARNING LIGHT. Check whether the airbag warning light in the combination meter is lit.	Does the airbag warning light illuminate-	Basic Diagnostic Procedure > PROCEDURE	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. Read Diagnostic Trouble Code (DTC) > OPERATION NOTE: If the communication function of the Subaru Select Monitor cannot be executed properly, check the communication circuit. Subaru Select Monitor > INSPECTION 5) Record all DTCs and freeze frame data.	Is DTC displayed-	Basic Diagnostic Procedure > PROCEDURE	Go to “Airbag Warning Light Failure” Airbag Warning Light Failure.
3.PERFORM DIAGNOSIS. 1) Determine the possible cause from “List of Diagnostic Trouble Code (DTC)” 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. Clear Memory Mode 5) Perform the Inspection Mode. Inspection Mode 6) Read any other DTCs displayed.	Is DTC displayed-	Perform the procedure 1) to 5) in step 3.	Finish the diagnosis.

Airbag warning light illumination pattern inspection

Turn the ignition switch to ON, and confirm that the airbag warning light remains on for approx. 6 seconds then turns off afterwards.(1)Airbag warning light(2)Approx. 6 seconds(3)Ignition switch ON ...

Check list for interview check

Customer’s Name Inspector’s Name Date Vehicle Brought in/ /Registration No. Odometer readingkmmilesV.I.N. Date Problem Occurred/ /Registration Year/ /Weath ...

Other materials:

Removal
CAUTION:Be sure to prevent water or oil from contacting the connector terminal of primary speed sensor. If adhesion occurs, replace with a new part.1. Remove the collector cover.(1) Carefully pull up the rear of collector cover at two positions (A).(2) Carefully pull up the front of collector cover ...