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 trouble occurs.	Did you interview the customer?	Go to step 2	Interview the customer. Ref. to CHECK LIST FOR INTERVIEW
2 CHECK SUBARU SELECT MONITOR COMMUNICATION. Check for communication with the radar sensor. 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 RADAR SENSOR. Read the DTC and cancel code of the radar sensors LH and RH using the Subaru Select Monitor. Ref. to READ DIAGNOSTIC TROUBLE CODE (DTC) Ref. to READ CANCEL CODE	Are any DTCs displayed?	Perform the diagnosis for the displayed DTCs and cancel code. (Perform the diagnosis to the side that displayed the DTC.) Ref. to LIST OF DIAGNOSTIC TROUBLE CODE (DTC) Ref. to READ CANCEL CODE 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 radar sensor. Ref. to 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	Are any DTCs displayed?	Perform the diagnosis for the displayed DTCs. Ref. to LIST OF DIAGNOSTIC TROUBLE CODE (DTC)	Finish the diagnosis.