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20 pin Nissan Head Unit Audio main connector layout
20 pin Nissan Head Unit Audio main connector
at the headunit
p/n 2591A1SX5B

Pin
Num
W/C Signal
2 G
Sound signal front door speaker and front squawker  LH +
 
3 R
Sound signal front door speaker and front squawker  LH -
 
4 LG
Sound signal rear door speaker LH +
 
5 Y
Sound signal rear door speaker LH -
 
6 BR Steering switch signal A
Keep pressing SOURCE switch. 0 V
Keep pressing MENU UP switch. 0.7 V
Keep pressing MENU DOWN switch. 1.3 V
Keep pressing LOADTALK switch 2.0 V
Except for above. 3.3 V
7 R
ACC power supply
 
9 R
Illumination signal +
 
11 W
Sound signal front door speaker and front squawker RH +
 
12 L Sound signal front door speaker and front squawker RH -
13 GR
Sound signal rear door speaker RH +
 
14 P Sound signal rear door speaker RH -
15 L
Steering switch signal GND
 
16 G Steering switch signal B
Keep pressing VOL DOWN switch. 0 V
Keep pressing VOL UP switch. 0.7 V
Keep pressing PHONE switch 1.3 V
Except for above. 3.3 V
19 Y
Battery power supply
 
20 B
Ground
 

W/C stands for Wire Color. It is for Murano 2014 and very dependent on model and model year.

Pin
Num
W/C Signal
36 GR
Signal VCC 9V
 
37 SB
Signal ground
 
38 G
Horizontal synchronizing(HP) signal
 
39 L
Communication signal(DISP→CONT
 
40 W
RGB area (YS) signal
 
41   shield
42 B
RGB synchronizing signal
 
43 G
RGB signal (R: red)
 
44 L
RGB signal (G: green)
 
45 Y
RGB signal (B: blue)
 
46 V
Composite image signalground
 
47 LG
Composite image signal
 
48 Y
Inverter VCC 9V
 
49 BR
Inverter ground
 
50 R
Vertical synchronizing (VP) signal
 
51 P
Communication signal(CONT→DISP)
 
52, 57, 58    

W/C stands for Wire Color. It is for Murano 2014 and very dependent on model and model year.

Pin
Num
W/C Signal
61 Y
AUX image signal
 
62 R
Camera image signal
 
69 BR
AUX image signal ground
 
70, 71   shield
72 LG
Camera ground
 
73 V
Camera power supply 6V when selector in R
 

W/C stands for Wire Color. It is for Murano 2014 and very dependent on model and model year.

Pin
Num
W/C Signal
76 LG
AV communication signal (L)
 
77 SB
AV communication signal (H)
 
78 LBN
AV communication signal (L)
 
79 SB
AV communication signal (H)
 
80 P
CAN–L
 
81 L
CAN–H
 
82 V  
86   shield
87 R
TEL voice signal +
 
88 L
TEL voice signal -
 
92 V
Vehicle speed signal (8-pulse)
 
93 G
Parking brake signal
 
94 SB
Reverse signal
 
95 G
Ignition signal
 
96 W
Disk eject signal
 
102 W
AUX sound signal -
 
103 B
AUX sound signal LH +
 
104 R
AUX sound signal RH +
 

W/C stands for Wire Color. It is for Murano 2014 and very dependent on model and model year.

Pin
Num
W/C Signal
120 G
Satellite radio sound signal LH +
 
121 W
Satellite radio sound signal RH +
 
122 B
Communication signal(CONT→SAT)
 
124 B Satellite radio sound signal LH -
125 R
Satellite radio sound signal RH -
 
126, 127   shield
129 R
Request signal(SAT→CONT)
 
130 W
Communication signal(SAT→CONT
 

W/C stands for Wire Color. It is for Murano 2014 and very dependent on model and model year.

Pin
Num
W/C Signal
132 G USB grouind
133 W USB D-
134 R USB V-BUS
135 L USB D+
136   shield

W/C stands for Wire Color. It is for Murano 2014 and very dependent on model and model year.

24 pin Nissan Head Unit Display connector layout
24 pin Nissan Head Unit Display connector
at the head unit
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