Terminals and Reference Value for BCM

WARNING: This page is about a different car, the 2006 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.

BCM TERMINALS AND REFERENCE VALUE

Terminal	Wire Color	Item	Condition		Voltage (V) Approx.
12	P	Front door switch passenger side	Passenger side door	Open (ON)	0
12	P	Front door switch passenger side	Passenger side door	Close (OFF)	Courtesy of NISSAN MOTOR CO., U.S.A.
37	B/P	Key switch	Insert mechanical key from ignition key cylinder.		Battery voltage
37	B/P	Key switch	Remove mechanical key into ignition key cylinder.		0
38	W/L	Ignition switch (ON)	Ignition switch is in ON or START position.		Battery voltage
39	L	CAN-H	-		-
40	P	CAN-L	-		-
42	GY	Power source (fuse)	-		Battery voltage
52	B	Ground	-		0
55	W/R	Power source (fusible link)	-		Battery voltage
57	R	Trunk room lamp switch	Trunk lid open (ON) --> Close (OFF)		0 --> Battery voltage
62	Y	Front door switch driver side	Driver side door	Open (ON)	0
62	Y	Front door switch driver side	Driver side door	Close (OFF)	Courtesy of NISSAN MOTOR CO., U.S.A.

*1: In the state that hazard reminder operates.

*2: In the state that room lamp switch is in "DOOR" position.