With CONSULT-II

WARNING: This page is about a different car, the 2004 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.

Turn ignition switch OFF and wait at least 10 seconds.
Turn ignition switch ON and select "DATA MONITOR" mode with CONSULT-II.
Start engine and wait at least 40 seconds.

Fig 1: DTC Confirmation Procedure With CONSULT-II (P0451)
Courtesy of NISSAN MOTOR CO., U.S.A.

NOTE: Do not depress accelerator pedal even slightly.

If 1st trip DTC is detected, go to "DIAGNOSTIC PROCEDURE "