Operation CHARM: Car repair manuals for everyone.

P1451

SYSTEM DESCRIPTION
Barometric pressure sensor is installed in ECM (PCM).




DTC DETECTING CONDITION AND TROUBLE AREA

DTC CONFIRMATION PROCEDURE

NOTE: Check to make sure that following conditions are satisfied when using this DTC CONFIRMATION PROCEDURE.

- Intake air temperature: between 5°C and 70°C (6.8°F and 158°F)
- Atmospheric pressure: higher than 560 mm.Hg (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. Start engine and warm up to normal operating temperature.
4. Run engine at idle speed for 30 sec.
5. Check DTC and pending DTC by using scan tool.




DTC TROUBLESHOOTING