P0451

DTC P0451: Evaporative Emission Control System Pressure Sensor Performance

System / Wiring Diagram:

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 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.

NOTE:
Check to make sure that the following conditions are satisfied when using this "DTC Confirmation Procedure".
- Intake air temperature: -14 °C (6.8 °F) or higher
- Atmospheric pressure: higher than 560 mmHg (Altitude: lower than 2790 m (9150 ft))

1. With ignition switch OFF, connect scan tool.
2. Turn ON ignition switch and clear DTC by using scan tool if any.
3. Drive vehicle at about 60 km/h (37 mph) for 10 min.
4. Stop vehicle and check DTC and pending DTC.

Step 1 - 2:

Step 2 (Cont'd) - 6:

DTC Troubleshooting