Subaru Legacy 2003 Service Manual page 595

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
ENGINE (DIAGNOSTICS)
5 CHECK POWER SUPPLY TO PURGE CON-
TROL SOLENOID VALVE.
1) Turn ignition switch to ON.
2) Measure voltage between purge control
solenoid valve and engine ground.
Connector & terminal
(E4) No. 1 (+) — Engine ground ( − − − − ):
Does the measured value exceed the spec-
ified value?
6 CHECK POOR CONTACT.
Check poor contact in purge control solenoid
valve connector.
Is there poor contact in purge control solenoid
valve connector?
Step
EN(H4SO)-198
Value
10 V
There is poor contact.
Yes
Go to step 6. Repair open circuit
in harness
between main
relay and purge
control solenoid
valve connector.
Repair poor con- Contact SUBARU
tact in purge con- distributor service.
trol solenoid valve
NOTE:
connector.
Inspection by DTM
is required,
cause
cause is deteriora-
tion of
parts.
No
be-
probable
multiple