Basic Diagnostic Procedure: Procedure

Step	Check	Yes	No
1 PERFORM CUSTOMER INTERVIEW. Using the Check List for Interview, ask the customer the condition of how the trouble occurred. <Ref. to CHECK , Check List for Interview.>	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. Using the Subaru Select Monitor, check whether communication to the telematics system can be executed. NOTE: If the communication function of the Subaru Select Monitor cannot be executed properly, check the communication circuit. (Refer to "Communication for initializing impossible".) <Ref. to INSPECTION , Subaru Select Monitor.>	Is communication possible?	Go to step 3 .	Check the communication circuit.
3 CHECK TELEMATICS. Using the Subaru Select Monitor, read DTC of the telematics system. <Ref. to OPERATION , Diagnostic Code(s) Display.> NOTE: If DTC is detected, only RED LED will illuminate. For details, refer to "LED operation status list". <Ref. to LED ILLUMINATION STATUS LIST , CHECK, Check List for Interview.>	Is DTC displayed?	Perform the diagnosis for the displayed DTCs. <Ref. to LIST , Diagnostic Code(s) Display.>	Go to step 4 .
4 CHECK 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 and function check. <Ref. to INSPECTION , General Description.> Check the data communication module. <Ref. to CONTROL MODULE I/O SIGNAL .> Perform check of current data. <Ref. to READ CURRENT DATA .> Perform a unit check.	Was the trouble cause found?	Perform the Clear Memory after repairing or replacing the cause of trouble. <Ref. to CLEAR MEMORY MODE .>	System is normal.