Subaru Legacy 2003 Service Manual page 907

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
ENGINE (DIAGNOSTICS)
6 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?
7 CHECK POOR CONTACT.
Check poor contact in purge control solenoid
valve connector.
Is there poor contact in purge control solenoid
valve connector?
Step
EN(H4SOw/oOBD)-88
Value
10 V
There is poor contact.
Yes
Go to step 7. Repair harness
and connector.
NOTE:
In this case, repair
the following:
• Open circuit in
harness between
main relay and
purge control sole-
noid valve connec-
tor
• Poor contact in
main relay con-
nector
• Poor contact in
coupling connector
(B22)
Repair poor con- Contact with your
tact in purge con- Subaru distributor.
trol solenoid valve
NOTE:
connector.
Inspection by your
Subaru distributor
is required,
cause
cause is deteriora-
tion of
parts.
No
be-
probable
multiple