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20 pin Nissan Head Unit Audio main connector layout
20 pin Nissan Head Unit Audio main connector
at the head unit
28185 JH10B, 28185 JH100 (PP-2804T)

Pin
Num
W/C Signal
2 L
Sound signal front LH (+)
 
3 G
Sound signal front LH (-)
 
4 LG
Sound signal rear LH (+)
 
5 Y
Sound signal rear LH (-)
 
6 R Steering switch signal A
Keep pressing SOURCE switch. 0 V
Keep pressing SEEK UP switch. 1.7 V
Keep pressing VOL UP switch. 3.3 V
Except for above. 5 V
7 R
ACC power supply
 
11 BR
Sound signal front RH (+)
 
12 P
Sound signal front RH (-)
 
13 O
Sound signal rear RH (+)
 
14 V
Sound signal rear RH (-)
 
15 B
Steering switch signal GND
 
16 Y Steering switch signal B
Keep pressing PHONE switch 0 V
Keep pressing SEEK DOWN switch. 1.7 V
Keep pressing VOL DOWN switch. 3.3 V
Except for above. 5 V
17 SB
Immobilizer
 
18 Y
Vehicle speed signal (8-pulse)
 
19 LG
Battery power supply
 

W/C stands for Wire Color. It is for Qashqai (2007-2010) and is very dependent on model and model year.

 

Pin
Num
W/C Signal
31 B
GND
 
35 B/W
Microphone signal
 
36  
Microphone GND
 
37 L
Microphone VCC
 
12 pin Nissan Head Unit connector layout
12 pin Nissan Head Unit connector
at the headunit
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