Pinouts >  Genuine Lexus and Toyota Car Audio Head units harness  >  Toyota pinouts
16 pin (10+6) Toyota Head Unit proprietary connector layout
16 pin (10+6) Toyota Head Unit proprietary connector
86120-42170 (ID 11812), 86120-42171 (ID 11835)

Pin
Num
W/C Pin Signal
A1 LG FR+

Sounds signal (front right)

 
A2 P FL+
Sounds signal (front left)
 
A3 GR ACC
ACC power supply
 
A4 L B+
Battery
 
A5 L FR-
Sounds signal (front right)
 
A6 V FL-
Sounds signal (front left)
 
A7 BR GND
Ground
 
A8 B ANT
Power source ofantenna
 
A10 G ILL+
Illumination signal
 
B1 R RR+
Sounds signal (rear right)
 
B2 B RL+
Sounds signal (rear left)
 
V3 W RR-
Sounds signal (rear right)
 
B5 BR ILL-
Illumination signal
 
B6 Y RL-
Sounds signal (rear left)
 

W/C stands for Wire Color. It is RAV4 2011 and  very dependent on model and model year.

20 pin Connector

Pin
Num
W/C Pin Signal
6 B SWG
Steering pad switch signal ground
 
7 W SW1 Steering pad switch signal
Steering pad switch SEEK+ switch pushed  Approx. 0.5 V
Steering pad switch SEEK- switch pushed Approx. 0.9 V
Steering pad switch VOL+switch pushed Approx. 2.0 V
Steering pad switch VOL-switch pushed Approx. 3.4 V
Steering pad switch not pushed 4 V or more
8 R SW2 Steering pad switch signal
Steering pad switch notpushed 4 V or more
Steering pad switch MODEswitch pushed Below 0.5 V
15 W ARI
Sound signal (right)
 
16 R ASGN
Ground
 
17 B ALI
Sound signal (left)
 
18   AGND
Shielded ground
 
19 R AUXI
External input connection detection signal
 

W/C stands for Wire Color. It is RAV4 2011 and  very dependent on model and model year.

 

20 pin Lexus/Toyota Head Unit accesory proprietary connector layout
20 pin Lexus/Toyota Head Unit accesory proprietary connector
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