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

Position (Selector lever)	Voltage (Known good data)
P or N position	Approx. 0V
Except above position	BATTERY VOLTAGE (11 - 14V)

If NG, go to "DIAGNOSTIC PROCEDURE ".

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