Oil Pressure System - Subaru IMPREZA GD 2007 Series Manual

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B: INSPECTION
Step
1 CHECK COMBINATION METER.
1) Turn the ignition switch to ON (engine OFF).
2) Check other warning lights.
2 CHECK HARNESS CONNECTOR BETWEEN
COMBINATION METER AND OIL PRES-
SURE SWITCH.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from oil pressure
switch.
3) Turn the ignition switch to ON.
4) Measure the voltage of harness between oil
pressure switch connector and chassis ground.
Connector & terminal
(E11) No. 1 (+) — Chassis ground (–):
3 CHECK COMBINATION METER.
1) Turn the ignition switch to OFF.
2) Remove the combination meter.
3) Measure the resistance of combination
meter.
Terminals
(i11) No. 7 — (i10) No. 2:

Oil Pressure System

Check
Does the warning light illumi-
nate?
Is the voltage 10 V or more?
Is the resistance less than 10
Ω?
LU(H4SO)-7
LUBRICATION
Yes No
Go to step 2. Repair or replace
the combination
meter. <Ref. to IDI-
3, INSPECTION,
Combination Meter
System.>
Replace the oil Go to step 3.
pressure switch.
Repair the harness Repair or replace
and connector. the combination
meter. <Ref. to IDI-
NOTE:
3, INSPECTION,
In this case, repair
Combination Meter
the following item:
System.>
• Open circuit of
harness between
combination meter
and oil pressure
switch
• Poor contact in
combination meter
connector
• Poor contact in
oil pressure switch
connector
• Poor contact in
coupling connector