MAIN UNIT TERMINAL VOLTAGE

Terminal No.	Check item	Check condition	Terminal voltage
1	ACCESSORY (+)	Ignition switch: ACC position	System voltage (DC)
2	REMOCON	Ignition switch: ACC position	3.3V (DC)
3, 4	-	-	-
5	SPEAKER RR (+)	When the sound is output	0 - System voltage (AC)
6	SPEAKER FR (+)	When the sound is output	0 - System voltage (AC)
7	SPEAKER RL (+)	When the sound is output	0 - System voltage (AC)
8	SPEAKER FL (+)	When the sound is output	0 - System voltage (AC)
9	ILLUMINATION (+)	Tail lamp switch: ON	System voltage (DC)
10	BATTERY (+)	Always	System voltage (DC)
11	VEHICLE SPEED PULSE	Ignition switch: ON	0 - System voltage (pulse)
12	REMOCON GND	Always	1 V or less
13	-	-	-
14	ANTENNA +B	Ignition switch: ACC position	System voltage (DC)
15	SPEAKER RR (-)	When the sound is output	0 - System voltage (AC)
16	SPEAKER FR (-)	When the sound is output	0 - System voltage (AC)
17	SPEAKER RL (-)	When the sound is output	0 - System voltage (AC)
18	SPEAKER FL (-)	When the sound is output	0 - System voltage (AC)
19	ILLUMINATION (-)	Always	1 V or less
20	GND	Always	1 V or less

Terminal No.	Check item	Check condition	Terminal voltage
21, 22	-	-	-
23	PS-R	Ignition switch: ON position Selector lever <A/T> or Shift lever <M/T>: R position	System voltage (DC)
24	BATTERY (+)	Always	System voltage (DC)
25 - 27	-	-	-
28	GND	Always	1 V or less

Terminal No.	Check item	Check condition	Terminal voltage
31, 32	-	-	-
33	HFM/USB S-INPUT RIGHT	When the hands-free interface system/USB device operation	1.2 Vrms (AC)
34	HFM/USB S-INPUT LEFT	When the hands-free interface system/USB device operation	1.2 Vrms (AC)
35 - 37	-	-	-
38	IE-BUS POWER ON	Ignition switch: ACC position	1 V or less
39	IE-BUS (+)	Ignition switch: ACC position	More than 120mV
40, 41	-	-	-
42	HFM/USB INPUT GND	When the hands-free interface system/USB device operation	1.2 Vrms (AC)
43 - 47	-	-	-
48	IE-BUS (+)	Ignition switch: ACC position	More than 120mV