With GST

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 (Shift lever)	Voltage (Known good data)
P or N position (A/T) Neutral position (M/T)	Approx. 0V
pt the above position	BATTERY VOLTAGE (11 -14V)

G, 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.