Communication Table
Sender
| Receiver
| Signal
| Communication line
|
Air conditioning amplifier
| ECM
| Magnet clutch request signal
| CAN
|
A/C idle up request signal
|
Heater idle up request signal
|
Cooling fan drive request signal
|
PTC heater control request signal
|
Outside temperature data
|
External variable control solenoid current signal
|
Refrigerant gas pressure sensor signal
|
Ambient temperature display signal
|
Air conditioning amplifier
| Instrument cluster finish panel assembly
| Front panel indication signal
| LIN
|
AUTO indication signal
|
A/C indication signal
|
MODE indication signal
|
REC indication signal
|
RDEF indication signal
|
Blower level indication signal
|
Set temperature indication signal
|
Combination meter assembly
| Air conditioning amplifier
| Ambient temperature display signal
| CAN
|
Outside temperature sensor data
|
Vehicle speed signal (meter to other)
|
Loading control level
|
Air conditioning amplifier
| Engine stop and start ECU
| Engine ON request signal
| CAN
|
Blower ON state signal
|
ECM
| Air conditioning amplifier
| ECO mode indicator
| CAN
|
Engine rpm data
|
Engine coolant temperature signal
|
A/C control cut-off signal
|
PTC heater permission number
|
Variable control inhibition signal
|
Instrument cluster finish panel assembly
| Air conditioning amplifier
| AUTO switch signal
| LIN
|
OFF switch signal
|
A/C switch signal
|
DEF switch signal
|
MODE switch signal
|
RDEF switch signal
|
Blower switch signal (FAN+, FAN-)
|
Set temperature switch signal (UP, DOWN)
|
Air conditioning amplifier
| Main body ECU
| Ambient temperature display signal
| CAN
|
Main body ECU
| Air conditioning amplifier
| A/C on request signal
| CAN
|
Destination Symbol (steering wheel)
|
Electric power steering ECU
| Air conditioning amplifier
| Loading control level
| CAN
|
Engine stop and start ECU
| Air conditioning amplifier
| Idling stop control mode
| CAN
|
