P1451

WIRING DIAGRAM/CIRCUIT DESCRIPTION
Barometric pressure sensor is installed in ECM.

Detecting Condition / 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 (Step 1):