Basic Diagnostic Procedure: Procedure

WARNING: This page is about a different car, the 2015 Subaru Outback and 2015 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.

DIAGNOSTICS PROCEDURE

Step	Check	Yes	No
1 PERFORM CUSTOMER INTERVIEW. Using the Check List for Interview, ask the customer the condition of how trouble occurs.	Did you interview the customer?	Go to step 2.	Interview the customer. <Ref. to CHECK , Check List for Interview.>
2 CHECK SUBARU SELECT MONITOR COMMUNICATION. Check for communication with the infotainment system. NOTE: If the communication function of the Subaru Select Monitor cannot be executed properly, check the communication circuit. <Ref. to INSPECTION , Subaru Select Monitor.>	Is communication possible?	Go to step 3.	Check the communication circuit.
3 CHECK DTC. Using the Subaru Select Monitor, read DTC of the infotainment system. <Ref. to READ DIAGNOSTIC TROUBLE CODE (DTC) .>	Is DTC displayed?	Perform the diagnosis according to DTC. <Ref. to LIST OF DIAGNOSTIC TROUBLE CODE (DTC) .> After diagnosis, Go to step 6.	Go to step 4.
4 PERFORM DIAGNOSTICS WITH PHENOMENON. Check the list of Diagnostics with Phenomenon. <Ref. to DIAGNOSTICS WITH PHENOMENON .>	Does the symptom apply?	Perform diagnosis according to the procedures in the diagnostics with phenomenon.	Go to step 5.
5 CHECK TROUBLE PHENOMENON. Perform the basic inspection. <Ref. to INSPECTION , General Description.> Check the control module I/O signal. <Ref. to ELECTRICAL SPECIFICATION , Control Module I/O Signal.> Perform check of current data. <Ref. to READ CURRENT DATA .>	Was the trouble cause found?	Perform the Clear Memory after repairing or replacing the cause of trouble.	System is normal.
6 PERFORM DIAGNOSIS. Perform the Clear Memory Mode. <Ref. to CLEAR MEMORY MODE .> Perform the Inspection Mode. <Ref. to INSPECTION MODE .>	Is DTC displayed?	Perform the diagnosis according to DTC. <Ref. to LIST OF DIAGNOSTIC TROUBLE CODE (DTC) .>	Finish the diagnosis.