Subaru Impreza 2003 Service Manual page 3061

2. CHECK POWER SUPPLY AND GROUND CIRCUIT
Step
1 CHECK POWER SUPPLY FOR COMBINA-
TION METER.
1)Remove the combination meter. <Ref. to IDI-
14, REMOVAL, Combination Meter Assem-
bly.>
2)Disconnect the combination meter harness
connector.
3)Turn the ignition switch to ON.
4)Measure the voltage between combination
meter connector and chassis ground.
Connector & terminal
(i11) No. 7 (+) — Chassis ground ( − − − − ):
2 CHECK POWER SUPPLY FOR COMBINA-
TION METER.
Measure the voltage between combination
meter connector and chassis ground.
Connector & terminal
(i11) No. 10 (+) — Chassis ground ( − − − − ):
3 CHECK GROUND CIRCUIT OF COMBINA-
TION METER.
1)Turn the ignition switch to OFF.
2)Measure the resistance of harness between
combination meter connector and chassis
ground.
Connector & terminal
(i11) No. 6 — Chassis ground:
COMBINATION METER SYSTEM
Is the voltage more than 10 V? Go to step 2.
Is the voltage more than 10 V? Go to step 3.
Is the resistance less than 10
Ω?
IDI-5
INSTRUMENTATION/DRIVER INFO
Check
Replace the com-
bination meter
printed circuit.
Yes No
Check the harness
for open or short
between ignition
switch and combi-
nation meter.
Check the harness
for open or short
between fuse and
combination
meter.
Repair the wiring
harness.