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20 pin Nissan Head Unit Audio main connector layout
20 pin Nissan Head Unit Audio main connector
p/n 28185-EM33B, 28185 1PA1A, 28185 3LM0A, 28185-EM33A, 28185-EM33B, 28185-EM31B, 28185-EM31C, 28185-3LM0A

Pin
Num
W/C Signal
2 W
Sound signal front speaker LH +
 
3 BR
Sound signal front speaker LH -
 
4 V
Sound signal rear speaker LH +
 
5 R
Sound signal rear speaker LH -
 
6 L
STRG SW A
Press and hold MODE switch. 0 V
Press and hold SEEK UP switch. 1.7 V
Press and hold  VOL UP switch. 3.3 V
Except for above. 5.0 V
7 LG
ACC power supply
 
11 G
Sound signal front speaker RH +
 
12 SB
Sound signal front speaker RH -
 
13 LG
Sound signal rear speaker RH +
 
14 GR
Sound signal rear speaker RH -
 
15 B
STRG SW ground
 
16 P
STRG SW B
Press Phone/Send switch 0 V
Press SEEK DOWN switch. 1.7 V
Press VOL DOWN switch. 3.3 V
Except for above. 5.0 V
18 SB
Vehicle speed signal
 
19 BR
Battery power supply
 
20 B
GND
 

W/C stands for Wire Color. It is for Nissan Versa 2007 and is very dependent on model and model year.

Pin
Num
W/C Signal
21 B
EQ selection
 
22   shield
26 R
Audio signal subwoofer (with premium)
 
27 O
Bluetooth ON
 
28 BR
Subwoofer amp. ON signal (premium)
 
31 LG
Audio out +
 
33 V
Audio out
 
35   shield

W/C stands for Wire Color. It is for Nissan Versa 2007 and is very dependent on model and model year.

Pin
Num
W/C Signal
41 G
Audio left channel sound signal from satellite radio tuner (+)
 
42 R
Audio left channel sound signal from satellite radio tuner (-)
 
43 W
Audio right channel sound signal from satellite radio
tuner (-)
 
44 B
Audio right channel sound signal from satellite radio
tuner (+)
 
45  
Shield ground (audio signal)
 
46  
Shield ground (data)
 
48 B
Satellite radio tuner request to audio unit
 
49 L
Audio RX
 
50 Y
Audio TX
 

W/C stands for Wire Color. It is for Nissan Versa 2007 and is very dependent on model and model year.

 

12 pin Nissan NDS CD Changer connector layout
12 pin Nissan NDS CD Changer connector
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