Subaru 2009 IMPREZA Service Manual page 1438

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
BK:DTC P0441 EVAPORATIVE EMISSION SYSTEM INCORRECT PURGE FLOW
DTC DETECTING CONDITION:
• Detected when two consecutive driving cycles with fault occur.
• GENERAL DESCRIPTION <Ref. to GD(H4DOTC)-113, DTC P0441 EVAPORATIVE EMISSION SYS-
TEM INCORRECT PURGE FLOW, Diagnostic Trouble Code (DTC) Detecting Criteria.>
CAUTION:
After servicing or replacing faulty parts, perform Clear Memory Mode <Ref. to EN(H4DOTC)(diag)-54,
OPERATION, Clear Memory Mode.>, and Inspection Mode <Ref. to EN(H4DOTC)(diag)-43, PROCE-
DURE, Inspection Mode.>.
Step
1 CHECK FOR ANY OTHER DTC ON DISPLAY. Is any other DTC displayed?
2 CHECK PURGE LINE OF THE PURGE CON-
TROL SOLENOID VALVE 2.
3 CHECK PURGE CONTROL SOLENOID
VALVE 2.
1) Connect the delivery (test) mode connector.
2) Turn the ignition switch to ON.
3) Operate the purge control solenoid valve 2
using the Subaru Select Monitor.
NOTE:
Purge control solenoid valve 2 can be operated
using the Subaru Select Monitor. For the proce-
dures, refer to "Compulsory Valve Operation
Check Mode". <Ref. to EN(H4DOTC)(diag)-55,
Compulsory Valve Operation Check Mode.>
Check
Is there any clogging, flattened
part or bent in the purge line of
purge control solenoid valve 2?
Does the purge control sole-
noid valve 2 operate?
EN(H4DOTC)(diag)-217
ENGINE (DIAGNOSTICS)
Yes No
Check the appropri- Go to step 2.
ate DTC using the
"List of Diagnostic
Trouble Code
(DTC)". <Ref. to
EN(H4DOTC)(diag)
-83, List of Diagnos-
tic Trouble Code
(DTC).>
Repair or replace Go to step 3.
the purge line of
purge control sole-
noid valve 2.
Repair the poor Replace the purge
contact of ECM control solenoid
connector. valve 2. <Ref. to
EC(H4DOTC)-11,
Purge Control
Solenoid Valve.>