P1451

CIRCUIT DESCRIPTION
Barometric pressure sensor is installed in ECM.





DETECTING CONDITION AND POSSIBLE CAUSE

DTC CONFIRMATION PROCEDURE
1. Turn ignition switch OFF
2. Clear DTC with ignition switch ON.
3. Turn ignition switch ON for 2 sec., crank engine for 2 sec. and run it at idle for 1 min.
4. Check pending DTC in "ON BOARD TEST" or "PENDING DTC" mode and DTC in "DTC" mode.





INSPECTION

NOTE: Note that atmospheric pressure varies depending on weather conditions as well as altitude. Take that into consideration when performing this check.