| Transmitter | Receiver | Signal | Communication Method |
|---|---|---|---|
| Rear Window Defogger Switch (Radio and Display Receiver Assembly)*1 | Air Conditioning Amplifier Assembly | Rear Window Defogger Switch Signal | CAN |
| Rear Window Defogger Switch (Air Conditioning Control Assembly)*2 | Air Conditioning Amplifier Assembly | Rear Window Defogger Switch Signal | LIN |
*1: for 8 Inch Display
*2: except 8 Inch Display