Physical Values

WARNING: This page is about a different car, the 2013 Infiniti M56 and 2013 Infiniti M37. However, it is still accessible from the selected car via links, so may be relevant.

Terminal (Wire color)		Description		Condition		Threshold value	Reference value (Approx.)
+	-	Signal name	Input/Output	Condition		Threshold value	Reference value (Approx.)
1 (Y)	2 (B)	Battery power supply	Input	Ignition switch OFF	-	9 - 16 V	Battery Voltage
2 (B)	-	Ground	-	Ignition switch ON	-	Less than 1 V	0 V
3 (SB)	2 (B)	ACC power supply	Input	Ignition switch ACC	-	9 - 16 V	12 V
4 (W)	2 (B)	Ignition signal	Input	Ignition switch ON	-	9 - 16 V	12 V
5 (V)	2 (B)	ACC output	Output	Ignition switch ACC	-	9 - 16 V	12 V
6 (P)	-	-	-	-	-	-	-
7 (B)	-	Ground	-	Ignition switch ON	-	Less than 1 V	0 V
9 (L)	-	CAN-H	Input/Output	-	-	-	-
10 (P)	-	CAN-L	Input/Output	-	-	-	-
18 (G)	Ground	Microphone VCC	Output	Ignition switch ACC	-	4.0 - 5.3 V	5 V
19 (R)	20	Microphone signal	Input	Ignition switch ACC	When inputting interior sound	-
21 (G)	23	Microphone VCC	Input	Ignition switch ACC	-	4.0 - 5.3 V	5 V
22 (R)	23	Sound signal	Output	Ignition switch ACC	When inputting interior sound	-
34 (G)	2 (B)	SOS call switch signal	Input	Ignition switch ACC	When pressing SOS switch	Less than 1 V	0 V
34 (G)	2 (B)	SOS call switch signal	Input	Ignition switch ACC	Except for above	-	5 V
35 (BR)	2 (B)	SOS switch LED signal	Input	Ignition switch ACC	When not illuminated LED lamp of SOS switch	-	12 V
35 (BR)	2 (B)	SOS switch LED signal	Input	Ignition switch ACC	When illuminated LED lamp of SOS switch	Less than 1 V	0 V
41	42	U-VOICE signal	Input	Ignition switch ON	-	-	-
46	-	Manufacturer Specific signal	-	-	Not used.	-	-
47	55	USB V BUS signal	Input	Ignition switch ON	-	-	-
48	55	USB D- signal	Input/Output	Ignition switch ON	-	-	-
49	42	D-VOICE signal	Output	Ignition switch ON	-	-	-
56	55	USB D+ signal	Input/Output	Ignition switch ON	-	-	-
57	-	Shield	-	-	-	-	-
58	Ground	TEL antenna signal	Input	-	Not connected TEL antenna connector.	-	2.8 V
59	-	Shield	-	-	-	-	-