Pinouts >  Nissan, Infinity OEM Head units
20 pin Nissan Head Unit Audio main connector layout
20 pin Nissan Head Unit Audio main connector
p/n 259159HR0A, 259159HR0B, 259159HT2A; Bosch model LCN2K70A00

20 pin Nissan Head Unit Audio main

Pin
Num
W/C Signal
1 W Bose Amp ON signal
2 B
Sound signal front speaker LH (+)
 
3 W
Sound signal front speaker LH (-)
 
4 G Sound signal rear speaker LH (+)
5 R Sound signal rear speaker LH (-)
7 P
ACC power supply 
 
8 L
CAN High
 
9 R
Illumination control signal (+)
 
10 B Sound signal shield
11 B
Sound signal front speaker RH (+)
 
12 W
Sound signal front speaker RH (-)
 
13 G Sound signal rear speaker RH (+)
14 R Sound signal rear speaker RH (-)
17 P CAN Low
18 G Vehicle speed signal
19 G
Battery power supply
20 GR Ground

W/C stands for Wire Color. They are for Altima 2015 and are dependent on model year.

24 pin Nissan Head Unit Display

Pin
Num
W/C Signal
21 W AUX audio signal RH
22 B AUX ground
23 R AUX audio signal LH
24 BR BF mic
25 G Reverse signal (12V when selector lever in R position)
30 P MR output
31 SB AV communication (H)
32 LG AV communication (L)
33 GR Illumination control ground
34 B Microphone signal
35 W Microphone power supply
36   shield, Microphone signal ground
37   shield, AUX shield
38 SB AV communication (H)
39 LG AV communication (L)
40 BG Ignition power supply
41 B Camera image signal
42   shield, Camera shield

5 pin Head Unit mini-USB

Pin
Num
W/C Signal
45 B USB ground
47 G USB D+ signal
48 W USB D- signal
49 R V-BUS signal
50   USB shield

Have an additional USB connector and 8 pin connector If equipped with telematics system.

24 pin Nissan Head Unit Display connector layout
24 pin Nissan Head Unit Display connector
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Additional connector №3

5 pin Head Unit mini-USB  connector layout
5 pin Head Unit mini-USB  connector
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