Subaru Legacy 2003 Service Manual page 2061

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
ENGINE (DIAGNOSTICS)
6 CHECK POOR CONTACT.
Check poor contact in relief valve control sole-
noid valve 1 and ECM connectors.
Are there poor contact in relief valve control
solenoid valve 1 and ECM connectors?
Step
EN(H4DOSTC)-222
Value
There are poor contacts.
Yes
Repair the poor Contact SUBARU
contact in relief distributor service.
valve control sole-
NOTE:
noid valve 1 and
Inspection by DTM
ECM connectors.
is required,
cause
cause is deteriora-
tion of
parts.
No
be-
probable
multiple