P0449

DTC P0449: Evaporative Emission System Vent Valve Circuit

System / Wiring Diagram

System Diagram:

Wiring Diagram:

DTC Detecting Condition and Trouble Area

DTC Detecting Condition And Trouble Area:

DTC Confirmation Procedure

WARNING:
^ When performing a road test, select a place where there is no traffic or possibility of a traffic accident and be very careful during testing to avoid occurrence of an accident.
^ Road test should be carried out with 2 persons, a driver and a tester, on a level road.

1. With ignition switch OFF, connect scan tool.
2. Turn ON ignition switch and clear DTC using scan tool.
3. Start engine and warm up to normal operating temperature.
4. Increase vehicle speed to 25 mph (40 km/h) or more.
5. Keep above vehicle speed for 15 min.
6. Confirm that any DTC are not detected.
7. Turn ignition switch OFF and leave for 6 hours.
8. Check DTC.

DTC Troubleshooting

Step 1-4: