Heater & Air Conditioning System. Lexus Gs430, Gs300. Uzs190 Grs190
Air Conditioning. Lexus Gs430, Gs300. Uzs190 Grs190
Air Conditioning System -- System Diagram |


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 |
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 |