Subaru Legacy 2003 Service Manual page 2045

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
ENGINE (DIAGNOSTICS)
6 CHECK POOR CONTACT.
Check poor contact in exhaust valve control
solenoid valve (positive pressure) and ECM
connectors.
Is there poor contact in exhaust valve control
solenoid valve (positive pressure) and ECM
connectors?
Step
EN(H4DOSTC)-206
Value
There is poor contact.
Yes
Repair the poor Contact SUBARU
contact in exhaust distributor service.
valve control sole-
NOTE:
noid valve (posi-
Inspection by DTM
tive pressure) and
is required,
ECM connectors.
cause
cause is deteriora-
tion of
parts.
No
be-
probable
multiple