| Pin Num |
Wire Color |
Signal | |
|---|---|---|---|
| 1 | LG | FR(+) | Front Right + |
| 2 | P | FL(+) | Front Left + |
| 3 | GR | ACC | |
| 4 | SB | Batt+ | |
| 5 | L | FR(-) | Front Right - |
| 6 | V | FL(-) | Front Left - |
| 7 | BR | GND |
| Pin Num |
Wire Color |
Signal | Details |
|---|---|---|---|
| 4 | R | MIn+ | to Telephone Microphone Assembly |
| 9 | shield | SGND | Stereo jack Adapter wires shield |
| 16 | V | SPD | |
| 18 | G | MIn- | to Telephone Microphone Assembly |
| 19 | L | SW1 | Steering wheel buttons (Seek+, Seek-, Volume+, Volume-) |
| 20 | LG | SW2 | Steering wheel buttons (Mode, On Hook, Off Hook, Voice) |
| 21 | B | SWG | Steering wheel ground |
| 23 | R | ARI | Stereo jack Adapter |
| 24 | B | ASGN | |
| 25 | W | ALI |
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 |
correct
incorrect