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DTC P0441: EVAP System (CPC) Incorrect Purge Flow: Notes

DTC detecting condition:

Immediately at fault recognition

Trouble symptom:

Improper idling

CAUTION: After servicing or replacing faulty parts, perform Clear Memory Mode Refer to ENGINE (DIAGNOSTICS) (W/O STI)>CLEAR MEMORY MODE>OPERATION ., and inspection mode Refer to ENGINE (DIAGNOSTICS) (W/O STI)>INSPECTION MODE>PROCEDURE .

CHECK DTC.
Read the engine DTC using the Subaru Select Monitor or general scan tool. Refer to ENGINE (DIAGNOSTICS) (W/O STI)>READ DIAGNOSTIC TROUBLE CODE (DTC) .

Is DTC other than P0441 displayed? (Current malfunction)

Yes: Check the appropriate DTC using the "List of Diagnostic Trouble Code (DTC)". Refer to ENGINE (DIAGNOSTICS) (W/O STI)>LIST OF DIAGNOSTIC TROUBLE CODE (DTC) .

No: Go to 2.
CHECK PURGE CONTROL SOLENOID VALVE.
Operate the purge control solenoid valve using the Subaru Select Monitor.

NOTE: For detailed operation procedures, refer to the "Active Test". Refer to ENGINE (DIAGNOSTICS) (W/O STI)>ACTIVE TEST .

Does the purge control solenoid valve operate?

Yes: Go to 3.

No: Replace the purge control solenoid valve. Refer to EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES) (W/O STI)>PURGE CONTROL SOLENOID VALVE .
CHECK EVAPORATIVE EMISSION CONTROL SYSTEM LINE.
Turn the ignition switch to OFF.

Are there holes, cracks, clogging, or disconnection, misconnection of hoses or pipes in evaporative emission control system?

Yes: Repair or replace the hoses or pipes.

No: Repair the poor contact of ECM connector.