Basic Diagnostic Procedure: Procedure

WARNING: This page is about a different car, the 2016 Subaru Outback and 2016 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Refer to STEERING RESPONSIVE FOG LIGHTS (DIAGNOSTICS) for models with steering responsive fog light system. < Ref. to BASIC DIAGNOSTIC PROCEDURE . >

DIAGNOSTIC 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 LAN SYSTEM. Inspect LAN system. < Ref. to PROCEDURE , Basic Diagnostic Procedure. >	Is there any fault?	Perform the inspection according to the diagnosis for LAN system.	Go to step 3 .
3 CHECK AUTO HEADLIGHT BEAM LEVELER SYSTEM. Using the Subaru Select Monitor, read DTC of auto headlight beam leveler system. < Ref. to READ DIAGNOSTIC TROUBLE CODE (DTC) . > NOTE: If the communication function of the Subaru Select Monitor cannot be executed properly, check the communication circuit. < Ref. to COMMUNICATION FOR INITIALIZING IMPOSSIBLE , INSPECTION, Subaru Select Monitor. >	Is DTC displayed?	Record DTC and time stamp, and perform the diagnosis according to DTC. < Ref. to LIST , List of Diagnostic Trouble Code (DTC). > For time stamp, refer to "LAN SYSTEM". < Ref. to TIME STAMP , CAUTION, General Description. > After diagnosis is completed, Go to step 6 .	Go to step 4 .
4 CHECK DIAGNOSTICS WITH PHENOMENON. Check "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 auto headlight beam leveler control 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?	Repair or replace 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 , List of Diagnostic Trouble Code (DTC). >	Finish the diagnosis.