Subaru Legacy 2004 Service Manual page 757

ENGINE (DIAGNOSTICS)
EN(H4SO 2.5)(diag)
1. Basic Diagnostic Procedure ........................................................................2
2. Check List for Interview...............................................................................3
3. General Description ....................................................................................5
4. Electrical Component Location ...................................................................8
5. Engine Control Module (ECM) I/O Signal .................................................17
6. Engine Condition Data ..............................................................................21
7. Data Link Connector .................................................................................22
8. OBD-II General Scan Tool ........................................................................23
9. Subaru Select Monitor...............................................................................26
10. Read Diagnostic Trouble Code (DTC) ......................................................33
11. Inspection Mode........................................................................................34
12. Drive Cycle................................................................................................39
13. Clear Memory Mode..................................................................................41
14. Compulsory Valve Operation Check Mode ...............................................42
15. Malfunction Indicator Light ........................................................................44
16. Diagnostics for Engine Starting Failure.....................................................54
17. List of Diagnostic Trouble Code (DTC) .....................................................70
18. Diagnostic Procedure with Diagnostic Trouble Code (DTC) .....................80
19. General Diagnostic Table........................................................................261
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