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 28185 ZX11A??

20 pin Nissan Head Unit Audio main

Pin
Num
W/C Signal
2 W
Sound signal front LH +
 
3 B
Sound signal front LH -
 
4 O/B
Sound signal rear LH +
 
5 W/R
Sound signal rear LH -
 
6 W/G

Steering switch (in Bluetooth HU only)

Press SEEK UP switch Approx. 0.7V
Press SEEK DOWN switch Approx. 1.3 V
Except for above Approx. 3.3 V

7 V/Y
ACC power supply
 
9 R/L
Illumination control signal -
 
11 G/W
Sound signal front RH +
 
12 BR
Sound signal front RH -
 
13 L
Sound signal rear RH +
 
14 B/W
Sound signal rear RH -
 
15 L/B Remote Control Ground
16 GR/L

Steering switch (in Bluetooth HU only)

Press VOL DOWN switch Approx. 0 V
Press VOL UP switch Approx. 0.7 V
Press Phone switch Approx. 1.3 V
Press source switch Approx. 2.0 V
Except for above Approx. 3.3 V

19 Y/R
Battery power supply
 

W/C stands for Wire Color. It is for Altima 2012 and very dependent on model and model year.
8 pin Nissan Head Unit

Pin
Num
W/C Signal
25   shield
26 BR Voice signal
27 Y Voice signal ground
28 R/W Tel ON signal

Pin
Num
W/C Signal
75 B Amp power supply (+12V)
76 B Amp power supply
8 pin Nissan Head Unit connector layout
8 pin Nissan Head Unit connector
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