Subaru 2002 IMPREZA Service Manual page 1328

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
ENGINE (DIAGNOSTICS)
Step
6 CHECK POOR CONTACT.
Check poor contact in wastegate control sole-
noid valve connector.
Check
Is there poor contact in waste-
gate control solenoid valve
connector?
EN(TURBO)-168
Yes
Repair the poor Contact with your
contact in waste- Subaru distributor
gate control sole- service.
noid valve
NOTE:
connector.
Inspection by DTM
is required,
cause
cause is deteriora-
tion of
parts.
No
be-
probable
multiple