Physical Values

Terminal (Wire color)		Description		Condition		Reference value (Approx.)
+	-	Signal name	Input/Output	Condition		Reference value (Approx.)
1 (L)	Ground	Ground	-	Ignition switch ON	-	0 V
2 (V)	Ground	Battery power supply	Input	Ignition switch OFF	-	Battery voltage
3 (GR)	Ground	Ground	-	Ignition switch ON	-	0 V
4 (L/R)	Ground	Battery power supply	Input	Ignition switch OFF	-	Battery voltage
9 (B/R)	Ground	Location recognition signal for headrest display unit RH	Input	Ignition switch ON	-	0 V
10 (L/B)	Ground	Location recognition signal for headrest display unit LH	Input	Ignition switch ON	-	0 V
11 (B)	-	AV communication signal (H)	Input/Output	-	-	-
12 (G)	-	AV communication signal (H)	Input/Output	-	-	-
13 (R)	-	AV communication signal (L)	Input/Output	-	-	-
14 (W)	-	AV communication signal (L)	Input/Output	-	-	-
15	-	Shield	-	-	-	-
18 (W/R)	Ground	ACC signal	Input	Ignition switch OFF	-	3.3 V
18 (W/R)	Ground	ACC signal	Input	Ignition switch ACC	-	0 V
19 (L/Y)	Ground	Cont. ground	-	Ignition switch ON	-	0 V
20 (W/L)	Ground	Image switch signal	Output	Ignition switch ON	When DVD, USB or front AUX image is displayed on headrest display unit.	0.5 V
20 (W/L)	Ground	Image switch signal	Output	Ignition switch ON	When rear AUX image is displayed on headrest display unit.	4.5 V
23 (R/L)	Ground	Composite image signal ground	-	Ignition switch ON	-	0 V
24 (Y)	Ground	Composite image signal	Input	Ignition switch ON	When DVD, USB or front AUX image is displayed on headrest display unit.
25	-	Shield	-	-	-	-
27 (R/W)	Ground	AV ground	-	Ignition switch ON	-	0 V
28	-	Shield	-	-	-	-
30 (P)	29 (BR)	Headphone sound signal RH	Input	Ignition switch ON	Headphone sound output.
32 (SB)	31 (LG)	Headphone sound signal LH	Input	Ignition switch ON	Headphone sound output.