Pinouts >  Nissan, Infinity OEM Head units  >  Infinity pinouts
20 pin Nissan Head Unit Audio main connector layout
20 pin Nissan Head Unit Audio main connector
at the car stereo
p/n 2591A-1MA5E, non-Nav
The pinout should fit 12 devices/models. Click to list>

Pin
Num		 W/C Signal
2 L
Sound signal front LH +
 
3 W
Sound signal front LH -
 
4 LG
Sound signal rear LH +
 
5 SB
Sound signal rear LH -
 
6 P Steering switch signal A
Keep pressing SOURCE switch. 0 V
Keep pressing MENU UP switch. 0.7 V
Keep pressing MENU DOWN switch. 1.3 V
Keep pressing  loudtalk switch 2.0 V
Except for above. 3.3 V
7 V
ACC power supply
 
9 L Illumination signal
Lighting switch is OFF. 0 V
Lighting switch is ON. 12.0 V
11 BR
Sound signal front RH +
 
12 R
Sound signal front RH -
 
13 L
Sound signal rear RH +
 
14 P
Sound signal rear RH -
 
15 B
Steering switch signal ground
 
16 L Steering switch signal B
Keep pressing VOL DOWN switch. 0 V
Keep pressing VOL UP switch. 0.7 V
Keep pressing phone switch. 1.3 V
Except for above. 3.3 V
18 G
Ground
 
19 Y
Battery power supply
 
20 B
Ground
 

Pin
Num		 W/C Signal
36 BG
Signal VCC
Ignition switch ACC => 9.0 V
 
37 LG
Signal ground
 
38 R
Horizontal synchronizing(HP) signal
 
39 L
Communication signal(DISP→CONT)
 
40 B
RGB area (YS) signal
 
42 W
RGB synchronizing signal
 
43 G
RGB signal (R: red)
 
44 L
RGB signal (G: green)
 
45 P
RGB signal (B: blue)
 
46 Y
Composite image ground
 
47 BR
Composite image signal
 
48 Y
Inverter VCC
Ignition switch ACC => 9.0 V
 
49 BR
Inverter ground
 
50 G
Vertical synchronizing (VP)signal
 
51 P
Communication signal(CONT→DISP)
 
41,52,
57,58		    

 16 pin Nissan Head Unit pre-amp

Pin
Num		 W/C Signal
62 W
Camera image signal
 
71   shield
72 B
Camera ground
 
73 R
Camera power supply
 

32 pin Nissan Head Unit Additional

 

Pin
Num		 W/C Signal
76 LG
AV communication signal (L)
 
77 SB
AV communication signal (H)
 
78 LG
AV communication signal (L)
 
79 SB
AV communication signal (H)
 
80 P
CAN–L
 
81 L
CAN–H
 
82 BR
Switch ground
 
86   shield
87 L
TEL voice signal +
 
88 P
TEL voice signal -
 
92 R
Vehicle speed signal (8-pulse)
 
93 SB
Parking brake signal
 
94 BG Reverse signal
R position 12.0 V
Other than R position 0 V
95 G
Ignition signal
 
96 V
Disk eject signal
 

12 pin Nissan NDS CD Changer

Pin
Num		 W/C Signal
120 B
Satellite radio sound signal LH +
 
121 G
Satellite radio sound signal RH +
 
122 L
Communication signal(CONT→SAT
 
124 W
Satellite radio sound signal LH -
 
125 R
Satellite radio sound signal RH -
 
126,127   Shield
129 P
Request signal(SAT→CONT)
 
130 G
Communication signal(SAT→CONT)
 

4 pin Nissan Head Unit USB

Pin
Num		 W/C Signal
132 G
USB ground
 
133 R
USB D− signal
 
134 W
V BUS signal
 
135 L
USB D+ signal
 
136   shield

 

24 pin HeadUnit additional connector layout
24 pin HeadUnit additional connector
Pinout status: +1 -0
According to 1 reports in our database (1 positive and 0 negative) the Infinity (2011-2015) Radio Stereo Receiver Head Unit pinout should be correct.

Is this pinout
NO DIY devices

Additional connector №3

32 pin Nissan Head Unit Additional connector layout
32 pin Nissan Head Unit Additional connector

Additional connector №4

12 pin Nissan NDS CD Changer connector layout
12 pin Nissan NDS CD Changer connector

Additional connector №5

4 pin Nissan Head Unit USB connector layout
4 pin Nissan Head Unit USB connector

Additional connector №6

16 pin Nissan Head Unit pre-amp connector layout
16 pin Nissan Head Unit pre-amp connector
Infinity (2011-2015) Radio Stereo Receiver Head Unit visual pinout:click to enlarge
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