P1451

SYSTEM DESCRIPTION
Barometric pressure sensor is installed in ECM.

Detecting Condition / Trouble Area:

DTC CONFIRMATION PROCEDURE

NOTE:
Check to make sure that the following conditions are satisfied when using this DTC CONFIRMATION PROCEDURE.
- Intake air temp.: Between -14 °C and 70°C (6.8 °F and 158 °F)
- Altitude (barometric pressure): 2400 m, 8000 ft or less (560 mmHg, 75 kPa or more)

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. Run engine at idle speed for 60 sec. or more.
5. Check DTC and pending DTC.

Troubleshooting (Steps 1 - 3):