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20 pin Nissan Head Unit Audio main connector layout
20 pin Nissan Head Unit Audio main connector
p/n 28185-4CA0A

 20 pin Nissan Head Unit Audio main with numbering

Pin
Num
W/C
4sp
W/C
6sp
Signal
2 Y W  
Sound signal front door speaker LH (+)
 
3 R P
Sound signal front door speaker LH (-)
 
4 GR
Sound signal rear door speaker LH (+)
 
5 BR
Sound signal rear door speaker LH )-)
 
7 LG
Ignition power supply
 
9 V
Illumination control signal input (+)
3.2 V or less to switch off
9.0 - 16.0 V for 1st or second light switch
 
11 W G
Sound signal front door speaker RH (+)
 
12 GR V
Sound signal front door speaker RH (-)
 
13 LG
Sound signal rear door speaker RH (+)
 
14 Y
Sound signal rear door speaker RH (-)
 
18 G
Vehicle speed signal
 
19 L
Battery power supply
 
20 B
Ground
 

W/C stands for Wire Color. It is for X-Trail 2014-2020. 4sp - 4 speakers, 6 sp - 6 speakers.

32 pin Nissan Head Unit Additional

Pin
Num
W/C Signal
21 B Microphone Vcc
23 L AUX sound signal LH
24 G AUX sound signal RH
25 Y AUX sound signal ground
26   shield
30 R Illumination control signal input (+)
3.2 V or less to switch off
9.0 - 16.0 V for 1st or second light switch
37 W Microphone signal
38   Microphone signal ground
43 B EQ 1 (grounded)
45 W Auto ACC input signal (3.15V when Ignition switch ON or
ACC)
46 SB AV communication signal (H)
47 LG AV communication signal (L)
48 SB AV communication signal (H)
49 LG AV communication signal (L)

W/C stands for Wire Color. It is for X-trail 2014-2020 and is very dependent on model and model year.

5 pin Head Unit mini-USB

Pin
Num
Signal
70 USB ground
71 USB Vbus
72 USB D-
73 USB D+
74 shield
32 pin Nissan Head Unit Additional connector layout
32 pin Nissan Head Unit Additional connector
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5 pin Head Unit mini-USB  connector layout
5 pin Head Unit mini-USB  connector
Nissan (2014-2021) X-Trail, Qashqai Radio Base Head Unit visual pinout:click to enlarge
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