Subaru Legacy 2003 Service Manual page 451

ENGINE MALFUNCTION INDICATOR LAMP (MI)
ENGINE (DIAGNOSTICS)
6 CHECK HARNESS BETWEEN COMBINA-
TION METER AND IGNITION SWITCH CON-
NECTOR.
1) Turn ignition switch to ON.
2) Measure voltage between combination
meter connector and chassis ground.
Connector & terminal
(i12) No. 3 (+) — Chassis ground ( − − − − ):
Does the measured value exceed the spec-
ified value?
7 CHECK LAMP BULB.
Remove engine malfunction indicator lamp
bulb.
Is lamp bulb condition OK?
Step Value
10 V
OK
EN(H4SO)-54
Yes
Go to step 7. Check the follow-
ing and repair if
necessary.
NOTE:
• Broken down
ignition relay.
• Blown out fuse
(No. 5).
• If replaced fuse
(No. 5) blows eas-
ily, check the har-
ness for short
circuit of harness
between fuse (No.
5) and ignition
relay connector.
• Open or short
circuit in harness
between fuse (No.
5) and battery ter-
minal
• Open circuit in
harness between
fuse (No. 5) and
ignition relay con-
nector
• Poor contact in
ignition relay con-
nector
• Poor contact in
ignition switch
connector
Repair combina- Replace lamp
tion meter connec- bulb.
tor.
No