With GST

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

Turn ignition switch ON.
Check voltage between ECM terminal 102 (PNP switch signal) and ground under the following conditions.

Fig 1: Test Parameters
Courtesy of NISSAN MOTOR CO., U.S.A.
If NG, go to "DIAGNOSTIC PROCEDURE ".

Fig 2: Check Voltage

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