With GST

WARNING: This page is about a different car, the 2004 Nissan Sentra. 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.
If NG, go to "DIAGNOSTIC PROCEDURE ".

Fig 1: Checking Voltage Between ECM Terminal 102 & Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: Voltage & Condition Table
Courtesy of NISSAN MOTOR CO., U.S.A.