System Diagram
TRANSMITTER, RECEIVER AND SIGNAL REFERENCE
| Transmitter | Receiver | Line | Signal |
|---|---|---|---|
| Air Conditioning Amplifier | ECM | CAN | A/C compressor control signal |
| Idle up request signal | |||
| Cooling fan motor driving request | |||
| Ambient temperature signal | |||
| External Variable Control Solenoid Current Signal | |||
| PTC driving number request signal | |||
| Combination Meter | Air Conditioning Amplifier | CAN | Vehicle speed signal |
| ECM | Air Conditioning Amplifier | CAN | Engine coolant temperature signal |
| Engine revolution speed signal | |||
| A/C control cut signal | |||
| Variable control prohibition signal | |||
| PTC heater permission number |