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16 pin (10+6) Toyota Head Unit proprietary connector layout
16 pin (10+6) Toyota Head Unit proprietary connector
p/n 86120-28340

20-Pin Rear Controller Audio, Steering Wheel Controls Connector

Check Pin Numbering! Part number of connector is 90980-12259

Pin Function Details
1 TX1-  
2 TX1+  
5 GND Ground from Steering wheel audio controls
4 SW1 Seek+/-, Vol+/- Inputs from Steering wheel audio controls (IN)
3 SW2 Mode input from Steering wheel audio controls (IN)
6 CMP-  
7 CMP+  
8 ? May be speed sensor input
12 RMU Rear Mute. Mute Signal to Rear Audio Controller, Logical 1 when Radio Switch is On
16 RSR+ Audio Signal to Rear Audio Controller, For Wireless Headphones
15 RSR- Audio Signal to Rear Audio Controller, For Wireless Headphone
14 RSL+ Audio Signal to Rear Audio Controller, For Wireless Headphones
13 RSL- Audio Signal to Rear Audio Controller, For Wireless Headphones
17 SLD1 Shield/Ground

 

6-Pin  DVD Changer Video Blue Connector

Part number of connector is 90980-12209

Pin Function Details
1 V+  
3 AR+  
4 AL+  
5 A-  
6 ADPG Signal Ground

 

5-Pin Sensor signals Gray Connector

Part number of connector is 90980-11909, p/n of plug is 90980-11920

Pin Function  
1 PKB Parking Break. This signal is grounded when parking break switch is closed. Floats otherwise (Input)
2 IG  
3 SPD Generated from the Speedometer. Most likely this is the Vehicle speed sensor pulse line (Input)

10-Pin Video & Communications Black Connector

Part number of connector is 90980-11922, p/n of plug is 90980-11923

Pin Function Details
1 VR Grounded when Ignition Switch is Off
2 R Red VGA (Input)
3 B Blue VGA (Input)
5 TX+ AVC-LAN 
6 VG Ground
7 G Green VGA (Input)
8 SYNC Probably VSync
10 TX- AVC-LAN 

 4-Pin Reverse Camera Video and Power Connector

Part number of connector is 90980-12211

Pin Function Details
1 V+ Positive Voltage Terminal??
Referred to as B-Eye on Schematics,
Probably a composite video signal
2 CA+ Output, Camera power?
3 V-

Negative Voltage Terminal
Referred to as B-Eye-In on Schematics,
probably a composite video signal

4 GND Ground

 

5-Pin TV Antenna Connector

Pin Function
1 DIV2 out
2 DIV1 out
3 TV+  out
4 DGND
5 TV ANT

 

 12-Pin Rear audio controller, DVD Changer Audio Black Connector

Numbering is wrong??

Pin Function Details
1 SLD Shield/Ground
2 R+ Right Audio Input Positive
3 R- Right Audio Input Negative
4 L+ Left Audio Input Positive
5 L- Left Audio Input Negative
6 Mute Logical 1 when Radio Switch is On
7 GND Ground
9 TX+ Transmission+
10 TX- Transmission-
11 ACC+B +12V when key is in ACC/AUX position
12 BU+B Battery +12V

Part number of 10 pin connector is 90980-11781 or 90980-10801, p/n of plug is 90980-10881

Part number of 6 pin connector is 90980-10996 or 90980-10796

Pin  Function Details
1 FR+  
2 FL+  
3 ACC+  
4 BAT+  
5 FR-  
6 FL-  
7 GND  
8 ANT+  
10 ILL+  
11 RR+  
12 RL+  
13 RR-  
14 CMP-  
15 CMP+  
16 RL-  

 

 

 

20 pin Lexus/Toyota Head Unit accesory proprietary connector layout
20 pin Lexus/Toyota Head Unit accesory proprietary connector
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Toyota Estima (2003-2006) 16074 Head Unit all 8 connectors visual pinout:click to enlarge
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