Basic Diagnostic Procedure: Procedure: Engine

ENGINE BASIC DIAGNOSTIC PROCEDURE

Step	Check	Yes	No
1 CHECK ENGINE START FAILURE. Ask the customer when and how trouble occurred using the interview check list. < Ref. to Figure & Figure , 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 MALFUNCTION INDICATOR LIGHT.	Does the malfunction indicator light illuminate?	Go to step 3.	Inspection using "General Diagnostics Table". < Ref. to , GENERAL DIAGNOSTIC TABLE . >
3 CHECK INDICATION OF DTC ON DISPLAY. Turn the ignition switch to OFF. Connect the Subaru Select Monitor or OBD-II general scan tool to data link connector. Turn the ignition switch to ON and the Subaru Select Monitor or OBD-II general scan tool switch to ON. Read the DTC on Subaru Select Monitor or OBD-II general scan tool.	Does the Subaru Select Monitor or OBD-II general scan tool indicate DTC?	Record the DTC code. Repair the trouble cause. < Ref. to , LIST OF DIAGNOSTIC TROUBLE CODE (DTC) . > Go to step 4.	Repair the related parts. NOTE: If a DTC is not shown on display although malfunction indicator light illuminates, perform diagnostics of malfunction indicator light circuit or combination meter. < Ref. to , MALFUNCTION INDICATOR LIGHT . >
4 PERFORM THE DIAGNOSIS. 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)". < Ref. to Diagnostic Procedure with Diagnostic Trouble Code (DTC) . >	Complete the diagnosis.