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20 pin Nissan Head Unit Audio main connector layout
20 pin Nissan Head Unit Audio main connector
at the car stereo

20 pin Main Audio Connector

Pin
Number
Pin
Name
Description Details Wire
colour
1   AMP_ON   Bose AMP ON signal Output, Batt Voltage SB
2   FL+  Sound signal front L Sound output B
3   FL-   Sound signal front L Sound output W
4   RL+   Sound signal rear L Sound output B
5   RL-   Sound signal rear L Sound output W
6   SWA  Steering switch signal A Keep pressing SOURCE switch. 0 V
Keep pressing Next Up switch. 1.0 V
Keep pressing Next Down switch. 2.0 V
Keep pressing LoudSpeaker switch 3.0 V
Keep pressing ENTER switch. 4.0 V
Except for above. 5.0 V
G
7   ACC+   ACC power supply Input, Batt Voltage P
10      Shield   BR
11   FR+   Sound signal front R Sound output W
12   FR-   Sound signal front R Sound output B
13   RR+   Sound signal rear R Sound output B
14   RR-   Sound signal rear R Sound output W
15   SWG   Steering switch signal Ground   B
16   SWB   Steering switch signal B Keep pressing Vol Up switch. 0 V
Keep pressing Vol Down switch. 1.0 V
Keep pressing Phone switch. 2.0 V
Keep pressing Back switch. 3.0 V
Keep pressing DISP switch. 4.0 V
Except for above. 5.0 V
W
19   Bat+   Battery power supply Input, Batt Voltage Y

 

28 pin AUX connector

Pin
Number
Pin
Name
Description Details Wire
colour
24   AUX_L+  AUX sound signal L Input, When front AUX mode is
selected.
R
26      Sound Signal L Output. When DVD or USB mode is
selected on headrest display unit 
W
27      Sound Signal R Output. When DVD or USB mode is
selected on headrest display unit
B
37      Shield    
38   AUX_R+   AUX sound signal R Input, When front AUX mode is
selected.
W
39  AUX_GND   AUX sound signal Ground   B
40   Sound Signal L Ground   R
41   Sound Signal R Ground   G
42   Shield    

 

32 pin Misc connector

Pin
Number
Description Details Wire
colour
53 Parking brake signal Input, 0V Parking brake is applied. 
12V Parking brake is released.
G
55 Composite image signalground   W
56 Composite image signal Output, at DVD image is displayed W
57 I-Key Memory   BG
60 Microphone VCC +5V Output W
61 Communication signal(CONT→DISP) Output when adjusting display
brightness.
W
62 CAN-L Input/Output P
63 AV communication signal (L) Input/Output LG
64 M CAN–L TRM   LG
67 MR output   P
68 Ignition signal +12v when ignition switch ON LG
69 Reverse signal +12V when selector lever is in R position, 0V otherwise R
70 Vehicle speed signal (8-pulse) Input , when vehicle speed is approx. 40 km/h GR
71 Shield    
72 Composite image synchro-nizing signal Output, at DVD image is displayed R
75 Microphone signal Input B
76 Shield   B
77 Communication signal(DISP→CONT) Output when adjusting display
brightness.
 
78 CAN-H Input/Output L
79 AV communication signal (H) Input/Output SB
80 M CAN–H TRM   SB

 

40 pin connector

Pin
Number
Description Details Wire
colour
83 Camera power supply +6V Output when selector lever in “R” position R
84 Camera Ground   W
91 AUX image signal Input when front AUX image is displayed W
92 AUX image signal ground   B
94 Shield    
97 Disk eject signal 0V when pressing eject button. +5V otherwise. Y
98 Switch Ground   V
105 Composite image signal ground   W
106 Shield    
107 Composite image signal Output when DVD, USB or front AUX image is displayed on headrest display unit B

5 pin USB Connector

 

Pin
Number
Description Details Wire
colour
121 V BUS signal   W
122 USB Ground   G
123 USB D+   L
124 USB D-   R
125 Shield    

3 pin Antenna Connector

 

Pin
Number
Description Details Wire
colour
126 Antenna amp. ON signal   B
127 AM-FM main   B
128 FM sub   B

 

Pin
Number
Description Details Wire
colour
130 GPS antenna signal, +5V   B
131 GPS antenna signal Ground   B

P/N 25915-3KF0A, 25915-3KF0B, 25915-3KF0C, 25915-3KF0D, 25915-3KF0E, 25915-3LZ0A, 25915-3LZ0B, 25915-3LZ0C, 25915-3LZ0E, 25915-3LZ1A, 25915-3LZ1B, 25915-3WY2C 

28 pin Nissan Head Unit Aux connector layout
28 pin Nissan Head Unit Aux connector
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Nissan Pathfinder (2013-2015) Premium BOSE Head Unit visual pinout:click to enlarge
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