Specifications Between Low Tire Pressure Warning Control Unit Terminals

Fig 1: Identifying Low Tire Pressure Warning Control Unit Connector Terminals

Courtesy of NISSAN MOTOR CO., U.S.A.

Data are reference value and are measured between each terminal and ground.

Terminal	Wire color	Item	Condition	Data (Approx.)
1	Y/G	Power supply (Memory back-up)	Ignition switch: ON	Battery voltage
			Ignition switch: OFF	Battery voltage
2	BR/W	Power supply	Ignition switch: ON	Battery voltage
			Ignition switch: OF	0 V
3	LG	Low tire pressure warning lamp	Low tire pressure warning lamp: ON	5 - 8 V
			Low tire pressure warning lamp: OFF	0 V
4	L/OR	Power supply (ACC)	Ignition switch: ACC	Battery voltage
			Ignition switch: OFF	0 V
5	OR	Display data line (+)	Ignition switch: ON	0 - 5 V (alternately repeated)
6	W	Display data line (-)	Ignition switch: ON	0 - 5 V (alternately repeated)
7	-	Display ground	-	-
8	G	Tire pressure warning check switch	Ignition switch: ON	5 V
			Ignition switch: OFF	5 V
9	W/L	Hazard warning lamp switch	Ignition switch: ON	Battery voltage
			Ignition switch: OFF	Battery voltage
10	OR/L	Vehicle speed	Vehicle speed: 40 km/h (25 MPH)	Courtesy of NISSAN MOTOR CO., U.S.A.
11	B	Ground	Always	0 V
12	BR/Y	Data link connector (RX)	-	-
13	G/B	Data link connector (TX)	-	-
17	-	Antenna	-	-