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20 pin Nissan Head Unit Audio main connector layout
20 pin Nissan Head Unit Audio main connector
p/n 28185-9HT1B, model CV-CN26N2GX

20 pin Nissan Head Unit Audio main

Pin
Num
W/C Signal
2 V
Sound signal front speaker LH (+)
 
3 SB
Sound signal front speaker LH (-)
 
4 BR Sound signal rear speaker LH (+)
5 Y Sound signal rear speaker LH (-)
7 P
ACC power supply 
 
8 GR
Illumination control signal (-)
 
9 R
Illumination control signal (+)
 
11 Y
Sound signal front speaker RH (+)
 
12 BR
Sound signal front speaker RH (-)
 
13 LG Sound signal rear speaker RH (+)
14 V Sound signal rear speaker RH (-)
18 G Vehicle speed signal
19 G Battery power supply
20 GR Ground

W/C stands for Wire Color. It is dependent on model year.

32 pin Nissan Head Unit Additional

Pin
Num
W/C Signal
21   Camera Shield
22 B Camera Image signal
23 W Camera power supply
24 R Camera ground
25 LG AV communication (L)
26 SB AV communication (H)
28 LG AV communication (L)
29 SB AV communication (H)
39 G Reverse signal (12V when selector lever in R position)
45 B Camera Ground
50   shield, mic signal ground
51 W Microphone power supply
52 B Microphone signal input

Pin
Num
W/C Signal
53 B USB ground
55 G USB D+ signal
56 W USB D- signal
57 R V-BUS signal
58   USB shield

8 pin Nissan Head Unit

Pin
Num
W/C Signal
59   AUX shield
60 B AUX ground
61 W AUX audio signal RH
62 R AUX audio signal LH

 

 

 

Pin
Num
W/C Signal
67 B Antenna amp. ON signal
68 B AM/FM antenna signal
69   shield
32 pin Nissan Head Unit Additional connector layout
32 pin Nissan Head Unit Additional connector
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8 pin Nissan Head Unit connector layout
8 pin Nissan Head Unit connector

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Nissan (2015-2018) Altima Head Unit visual pinout:click to enlarge
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