Subaru Legacy 2002 Service Manual page 2966

4. CHECK TRANSMISSION CONTROL
MODULE
S907607A1008
No.
1 CHECK TRANSMISSION CONTROL MOD-
ULE SIGNAL.
1) Lift-up the vehicle and support it with safety
stands.
WARNING:
Be careful not to get caught in the running
wheels.
2) Drive the vehicle faster than 10 km/h (6
MPH).
3) Measure voltage between transmission
control module connector and chassis ground.
Connector & terminal
(B56) No. 17 (+) — Chassis ground (−):
2 CHECK HARNESS BETWEEN TRANSMIS-
SION CONTROL MODULE AND COMBINA-
TION METER.
1) Turn ignition switch to OFF.
2) Disconnect connector from transmission
control module and combination meter.
3) Measure resistance between transmission
control module harness connector and combi-
nation meter harness connector.
Connector & terminal
Normal meter:
(B56) No. 17 — (i10) No. 13:
Luminescent meter:
(B56) No. 17 — (i10) No. 11:
COMBINATION METER SYSTEM
Step
Is the voltage less than
1V ←→ more than 4 V?
Is the resistance less than
10 Ω?
Check
IDI-9
Instrumentation/Driver Info
Yes
Go to step 2. Check transmis-
sion control mod-
ule. <Ref. to AT-2,
Basic Diagnostic
Procedure.>
Check speed Repair wiring har-
meter. <Ref. to ness.
IDI-19,
REMOVAL,
Speedometer.>
No