With GST

WARNING: This page is about a different car, the 2005 Nissan Xterra. 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.

ON BOARD DIAGNOSTIC LOGIC

Condition (Gear position)	Voltage V (Known-good data)
P or N position (A/T) Neutral position (M/T)	Approx. 0
Except above position	BATTERY VOLTAGE (11 - 14V)

If NG, go to "DIAGNOSTIC PROCEDURE ".

Fig 1: Checking Voltage Between ECM Terminal 102 (PNP Switch Signal) And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.