This program enables the HU (Head Unit) CD Changer / AUX audio input on Toyota HU with Tuner & CD only.
CDChanger will register itself at startup, just press the CD button to get it.
Sources from http://www.compcar.ru/forum/showthread.php?t=4835, https://github.com/KostyaSha/arduino-iebus http://softservice.com.pl/corolla/avc/index.php
Modified for W58824 on 2007 Toyota Yaris, using Arduino Pro Mini 3.3V @8MHz & resistor driver, built in Arduino IDE
Original project from https://github.com/Tirta01/Arduino-AVCLan