System Diagram
Input signal to A/C amplifier:
INPUT SIGNAL TO A/C AMPLIFIER
| Transmitting ECU (transmitter) | Signal | Communication Method |
|---|---|---|
| Front Door RH ECU | Mirror heater operation signal | BEAN |
| Front Door LH ECU | Mirror heater operation signal | |
| ECM | Heater relay signal | CAN |
| Rear defogger relay operation signal | ||
| Idle up signal | ||
| A/C compressor signal | ||
| Prohibition of charge signal | ||
| Heater valve signal | ||
| Pressure sensor signal | ||
| Hybrid Vehicle Control ECU | Heater idle up request signal | BEAN / CAN |
| Power switch ON (IG) request signal | ||
| Outside temperature data | ||
| Water pump ON/OFF request signal | ||
| Prior A/C control request signal | ||
| A/C control state signal | ||
| Inlet state signal | ||
| Standby for inverter request signal | ||
| Distance Control ECU | Ambient temperature signal | CAN |
| Multi-display | Ambient temperature signal | AVC-LAN |
| IND display signal | ||
| Buzzer signal | ||
| Driver and passenger side set temperature indication signal |
Output signal to A/C amplifier:
OUTPUT SIGNAL TO A/C AMPLIFIER
| Transmitting ECU (transmitter) | Signal | Communication Method |
|---|---|---|
| Combination Meter | Vehicle speed signal | BEAN |
| ECM | Engine revolution speed signal | CAN |
| Water temperature signal | ||
| Ambient temperature signal | ||
| A/C control cut signal | ||
| A/C compressor control signal | ||
| Hybrid Vehicle Control ECU | A/C water pump drive signal | CAN/BEAN |
| State of STB | ||
| Compulsion recycle request signal | ||
| A/C inverter and HV control ECU communication signal | ||
| No electrical heater request signal | ||
| A/C inverter main voltage signal | ||
| A/C inverter output signal | ||
| Motor over load information | ||
| Motor start information | ||
| A/C inverter power source malfunction | ||
| STB wire short | ||
| State of STB | ||
| A/C inverter temperature | ||
| Compressor start flag | ||
| Compressor humidity control start flag | ||
| Battery cooling fan voltage | ||
| A/C motor revolution signal | ||
| A/C input power signal | ||
| A/C motor current request | ||
| A/C inverter voltage signal | ||
| Multi-display | A/C operation signal | AVC-LAN |
| Rear defogger operation signal | ||
| Mirror heater operation signal | ||
| Wiper deicer operation signal |