| Pin Num  | 
			Wire Color  | 
			Signal | 
|---|---|---|
| 3 | R | SPD | 
| 6 | L | SWG | 
| 7 | W | SW1 | 
| 8 | B | SW2 | 
| 11 | B | IVO+ | 
| 12 | W | IVO- | 
| 13 | shield | IVO shield | 
| 15 | W | ARI | 
| 16 | R | ASGN | 
| 17 | B | ALI | 
| 18 | shield | AGND AUX shield | 
| 19 | P | AUXI | 
| Pin Num  | 
			Wire Color  | 
			Signal | 
|---|---|---|
| 1 | R | SNS2 | 
| 2 | B | MIN+ | 
| 3 | R | MACC | 
| 5 | W | MIN- | 
| 6 | shield | SGND | 
| Pin Num  | 
			Wire Color  | 
			Signal | 
|---|---|---|
| 2 | W | CDR+ | 
| 3 | B | CDR- | 
| 4 | R | CDL+ | 
| 5 | G | CDL- | 
| 6 | L | MUTE | 
| 7 | GR | GND | 
| 9 | V | TXM+ | 
| 10 | P | TXM- | 
| 11 | SB | ACC | 
| 12 | LG | +B | 
| Pin Num  | 
			Wire Color  | 
			Signal | 
|---|---|---|
| 1 | SB | +B | 
| 5 | B | ATX+ (amp communication) | 
| 7 | FR | MUTE to Amp | 
| 8 | G | R+ | 
| 9 | B | L+ | 
| 10 | shield | SLD (L, R shield) | 
| 11 | GR | ACC | 
| 15 | W | ATX- | 
| 18 | R | R- | 
| 19 | W | L- | 
| 20 | BR | GND | 
 
Omitted pins are Not Connected.
Toyota Signals
| Signal | Details | 
|---|---|
| FR(+), FR(-) | Sound signal output (Front Right) | 
| FL(+), FL(-) | Sound signal output (Front Left) | 
| RR(+), RR(-) | Sound signal output (Rear Right) | 
| RL(+), RL(-) | Sound signal output (Rear Left) | 
| CNH, CNL | Local bus communication signal | 
| REV | Reverse signal | 
| PKB | Parking brake signal. This signal is grounded when parking break switch is closed. Floats otherwise | 
| SPD | Vehicle speed signal. Generated from the Speedometer. Most likely this is the Vehicle speed sensor pulse line. | 
| ACC | Power source (ACC). 11-14V when ignition switch ACC | 
| B+, +B | Power source (Battery). 11-14V constant. | 
| CA+ | Rear camera power supply | 
| V+, V- | Rear camera display signal (composite?) | 
| MACC | Microphone power supply (4-6V) | 
| MIN+, MIN- | Microphone voice signal input | 
| SNS, SNS2 | Microphone connection detection signal (always <1V) | 
| TX1+, TX1- | AVC-LAN communication signal (usually amplifier communication) | 
| SW1, SW2, SW3 | Steering pad switch signal (SWG - signal ground) | 
| ADPG | External device connection detection signal. <1V when connected, otherwise 2-3V | 
| VAR(+), VAL(+) | Sound signal input (Right, Left). External device playing audio (When stereo jack used) | 
| ARI, ALI | Stereo Jack sound signal input (Right, Left). External device playing audio (When stereo jack used) | 
Toyota Wiring Color Codes
| B=Black | W=White | BR=Brown | 
| L=Blue | V=Violet | SB=Sky Blue | 
| R=Red | G=Green | LG=Light Green | 
| P=Pink | Y=Yellow | GR=Gray | 
| O=Orange | BE=Beige | DG=Dark Gray | 



