System Diagram
Input signal to A/C amplifier:
TRANSMITTING ECU SIGNALS
| Transmitting ECU (transmitter) | Signals | Communication Method |
|---|---|---|
| Front Door RH ECU | Mirror heater operation signal | BEAN |
| Front Door LH ECU | Mirror heater operation signal | BEAN |
| ECM | Heater relay signal | CAN |
| ECM | Magnetic clutch signal | CAN |
| ECM | Rear defogger relay operation signal | CAN |
| ECM | Idle up signal | CAN |
| ECM | A/C compressor signal | CAN |
| ECM | Prohibition of charge signal | CAN |
| ECM | Heater valve signal | CAN |
| ECM | Pressure sensor signal | CAN |
| Distance Control ECU | Ambient temperature signal | CAN |
| Multi-display | Ambient temperature signal | AVC-LAN |
| Multi-display | IND display signal | AVC-LAN |
| Multi-display | Buzzer signal | AVC-LAN |
| Multi-display | Driver and passenger side set temperature indication signal | AVC-LAN |
Output signal to A/C amplifier:
TRANSMITTING ECU SIGNALS
| Transmitting ECU (transmitter) | Signals | Communication Method |
|---|---|---|
| Combination Meter | Vehicle speed signal | BEAN |
| ECM | Engine revolution speed signal | CAN |
| ECM | Water temperature signal | CAN |
| ECM | Ambient temperature signal | CAN |
| ECM | A/C compressor lock signal | CAN |
| ECM | A/C control cut signal | CAN |
| ECM | A/C compressor control signal | CAN |
| Multi-display | A/C operation signal | AVC-LAN |
| Multi-display | Rear defogger operation signal | AVC-LAN |
| Multi-display | Mirror heater operation signal | AVC-LAN |
| Multi-display | Wiper deicer operation signal | AVC-LAN |