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.

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

DIAGNOSTICS 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 OPERATION , 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. 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.