Basic Diagnostic Procedure: Procedure: Engine

ENGINE DIAGNOSTIC PROCEDURE

Step	Check	Yes	No
1. CHECK ENGINE START FAILURE. Ask the customer when and how the trouble occurred using the interview check list. < Ref. to , CHECK , Check List for Interview. > Start the engine.	Does the engine start?	Go to step 2.	Inspection using "Diagnostics for Engine Start Failure". < Ref. to , DIAGNOSTICS FOR ENGINE STARTING FAILURE . >
2. CHECK ILLUMINATION OF CHECK ENGINE MALFUNCTION INDICATOR LAMP (MIL).	Does CHECK ENGINE malfunction indicator lamp illuminate?	Go to step 3.	Inspection using "General Diagnostics Table". < Ref. to , INSPECTION , General Diagnostic Table. >
3. CHECK INDICATION OF DTC ON DISPLAY. Turn ignition switch to OFF. Connect the Subaru Select Monitor or the OBD-II general scan tool to data link connector. Turn ignition switch to ON and the Subaru Select Monitor or OBD-II general scan tool switch to ON. Read DTC on the Subaru Select Monitor or OBD-II general scan tool.	Does the Subaru Select Monitor or OBD-II general scan tool indicate DTC?	Go to step 4.	Repair the related parts. NOTE: If DTC is not shown on display although the MIL illuminates, perform diagnostics of MIL (CHECK ENGINE malfunction indicator lamp) circuit or combination meter. < Ref. to , ENGINE MALFUNCTION INDICATOR LAMP (MIL) . >
4. PERFORM THE DIAGNOSIS. Inspect using "Diagnostics Procedure with Diagnostic Trouble Code (DTC)". NOTE: < Ref. to , DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC) . > NOTE: Carry out the basic check, only when DTC about automatic transmission is shown on display. < Ref. to , READ DIAGNOSTIC TROUBLE CODE . > Repair the trouble cause. Perform the clear memory mode. < Ref. to , CLEAR MEMORY MODE . > Perform the inspection mode. < Ref. to , INSPECTION MODE . >	Does the Subaru Select Monitor or OBD-II general scan tool indicate DTC?	Inspect using "Diagnostics Procedure with Diagnostic Trouble Code (DTC)". NOTE: < Ref. to , DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC) . >	Complete the diagnosis.