Without CONSULT-II

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

Turn ignition switch OFF.
Check signal between driver seat control unit connector and ground, with oscilloscope.

Fig 1: Signal Chart

Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: Checking Signal

Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK >> Front lifting sensor is OK.
NG >> GO TO 2.