DTC P2450: EVAP System Switching Valve Performance/Stuck Open: Notes

WARNING: This page is about a different variant/trim than selected.

1. -

DTC detecting condition:

Detected when two consecutive driving cycles with fault occur.

Trouble symptom:

Gasoline odor
The fuel lid does not open even if the fuel door release switch is pressed

NOTE: After the faulty parts are repaired or replaced, perform the final check in Basic Diagnostic Procedure. Ref. to ENGINE (DIAGNOSTICS) (H4DO (HEV))>BASIC DIAGNOSTIC PROCEDURE>PROCEDURE .

G13615566

Courtesy of SUBARU OF AMERICA, INC.

CHECK Electric Vent Solenoid Valve .
Check Electric Vent Solenoid Valve. Ref. to EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES) (H4DO (HEV))>ELECTRIC VENT SOLENOID VALVE ASSEMBLY>INSPECTION>CHECK ELECTRIC VENT SOLENOID VALVE AREA .

Is the check result OK?

Yes : Go to 2.

No : Replace Electric Vent Solenoid Valve ASSEMBLY. Ref. to EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES) (H4DO (HEV))>ELECTRIC VENT SOLENOID VALVE ASSEMBLY .
CHECK MECHANICAL FAULTS .
Check the evaporative emission control system.
NOTE:
Check the following items.
- Evaporation line damage (crack, hole etc.)
- Clogged evaporation line
- Disconnection of evaporation line
- Misconnection of evaporation line Ref. to EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES) (H4DO (HEV))>GENERAL DESCRIPTION>COMPONENT .
- Mechanical Relief Valve stuck Ref. to EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES) (H4DO (HEV))>ELECTRIC VENT SOLENOID VALVE ASSEMBLY>INSPECTION>CHECK MECHANICAL RELIEF VALVE .
Is the check result OK?

Yes : Repair the poor contact of ECM connector.

No : Repair or replace faulty parts.