Terminals and Reference Value for BCM

WARNING: This page is about a different car, the 2005 Nissan Xterra. However, it is still accessible from the selected car via links, so may be relevant.

BCM TERMINALS AND REFERENCE VALUE SPECIFICATION

Terminal	Wire Color	Item	Condition	Voltage (V) (Approx.)
7	GR	Front door lock assembly LH (key cylinder switch) and back door key cylinder switch (unlock)	OFF (neutral) --> ON (unlocked)	5 --> 0
8	SB	Front door lock assembly LH (key cylinder switch) and back door key cylinder switch (lock)	OFF (neutral) --> ON (locked)	5 --> 0
12	LG	Front door switch RH	Door close (OFF) --> Door open (ON)	Battery voltage --> 0
13	L	Rear door switch RH	Door close (OFF) --> Door open (ON)	Battery voltage --> 0
37	B	Key switch (insert)	Key inserted in IGN key cylinder (ON) --> Key removed from IGN key cylinder (OFF)	Battery voltage --> 0
39	L	CAN-H	-	-
40	P	CAN-L	-	-
43	Y	Back door switch	Door open (ON) --> Door close (OFF)	0 --> Battery voltage
45	V	Lock switch signal	Door lock and unlock switch (neutral) --> Door lock and unlock switch (locked)	Battery voltage --> 0
46	LG	Unlock switch signal	Door lock and unlock switch (neutral) --> Door lock and unlock switch (unlocked)	Battery voltage --> 0
47	GR	Front door switch LH	Door close (OFF) --> Door open (ON)	Battery voltage --> 0
48	P	Rear door switch LH	Door close (OFF) --> Door open (ON)	Battery voltage --> 0
57	R/Y	Power source (BAT)	-	Battery voltage
59	GR	Front door lock assembly LH and fuel lid door lock actuator (unlock)	Door lock and unlock switch (neutral --> unlocked)	0 --> Battery voltage
65	V	All door lock actuators (lock)	Door lock and unlock switch (neutral --> lock)	0 --> Battery voltage
66	L	Front door lock actuator RH, rear door lock actuators LH/RH and back door lock actuator (unlock)	Door lock and unlock switch (neutral --> unlocked)	0 --> Battery voltage
67	B	Ground	-	0
70	W	Power source (BAT)	-	Battery voltage