With GST

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

ECM TERMINAL 102 (PNP SWITCH SIGNAL) AND GROUND VOLTAGE

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

If NG, go to DIAGNOSTIC PROCEDURE .

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