Subaru Legacy 2002 Service Manual page 2967

Instrumentation/Driver Info
5. CHECK ENGINE CONTROL MODULE
S907607A1004
No.
1 CHECK ENGINE CONTROL MODULE SIG-
NAL.
1) Start the engine.
2) Measure voltage between engine control
module connector and engine ground.
Connector & terminal
Normal meter:
(B134) No. 30 (+) — Engine ground (−):
Luminescent meter:
(B136) No. 9 (+) — Engine ground (−):
2 CHECK HARNESS BETWEEN COMBINA-
TION METER AND ENGINE CONTROL
MODULE.
1) Turn ignition switch to OFF.
2) Disconnect connector from engine control
module and combination meter.
3) Measure resistance between engine control
module harness connector and combination
meter harness connector.
Connector & terminal
Normal meter:
(B134) No. 30 — (i11) No. 7:
Luminescent meter:
(B136) No. 9 — (i11) N0. 6:
COMBINATION METER SYSTEM
Step
Is the voltage 0 ←→ 13 V
or more?
Is the resistance less than
10 Ω?
IDI-10
Check Yes
Go to step 2.
Check tachom-
eter. <Ref. to IDI-
20, REMOVAL,
Tachometer.>
No
Check engine
control module.
<Ref. to EN-2,
Basic Diagnostic
Procedure.> or
<Ref. to EN(w/
oOBD)-2, Basic
Diagnostic Proce-
dure.> or <Ref. to
EN(H6)-2, Basic
Diagnostic Proce-
dure.>
Repair wiring har-
ness.