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20 pin Nissan Head Unit Audio main connector layout
20 pin Nissan Head Unit Audio main connector
p/n 28185-9BK0A

Pin
Num
W/C Signal
2 BR
Sound signal front door speaker and front tweeter LH (+)
 
3 L
Sound signal front door speaker and front tweeter LH (-)
 
4 G
Sound signal rear door speaker LH (+)
 
5 B
Sound signal rear door speaker LH (-)
 
6 V
STRG SW A
Press and hold MODE switch. 0 V
Press and hold SEEK UPswitch. 1.34 V
Press and hold SEEK DOWN switch. 2.45 V
Press and hold BT TALK switch. 3.43 V
Except for above. 5.0 V

 
7 G/B
ACC power supply
 
8 GR
Illumination control signal (-)
 
9 R
Illumination control signal (+)
 
11 LG
Sound signal front door speaker and front tweeter
RH (+)
 
12 R
Sound signal front door speaker and front tweeter
RH (-)
 
13 GR
Sound signal rear door speaker RH (+)
 
14 BG
Sound signal rear door speaker RH (-)
 
15 BG
STRG SW ground
 
16 LG
STRG SW B
Press VOL DOWN switch 0 V
Press VOL UP switch. 1.34 V
Press PHONE switch. 2.45 V
Except for above. 5.0 V
18 SB
Vehicle speed signal
 
19 Y
Battery power supply
 
20 B
GND
 

W/C stands for Wire Color. It is for Xterra 2015 and is very dependent on model and model year.

Pin
Num
W/C Signal
21 G
AV communication (L)
 
22 R
AV communication (H)
 
23  
AV communication shield
 
25 B
EQ4 Ground
 
28 B
EQ1 Ground
 
29 W
AV communication (L)
 
30 L
AV communication (H)
 
33 W
Telephone audio in (+)
 
34 GR
Telephone audio in (-)
 
36 R
Telephone ON
 

W/C stands for Wire Color. It is for Xterra 2015 and is very dependent on model and model year.

 

16 pin Nissan Head Unit pre-amp connector layout
16 pin Nissan Head Unit pre-amp connector
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