AIR CONDITIONING SYSTEM(for Automatic Air Conditioning System) SYSTEM DIAGRAM
Transmitter |
Receiver |
Signal |
Communication Line |
|---|---|---|---|
Air conditioning amplifier assembly |
ECM |
A/C idle up request signal |
CAN |
Heater idle up request signal |
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Motor cooling fan driver request signal |
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PTC heater control request signal* |
|||
Electricity load at low voltage state signal |
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Variable compressor solenoid current signal |
|||
Refrigerant gas pressure sensor signal |
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Ambient temperature signal |
|||
Air conditioning amplifier assembly |
Radio and display receiver assembly |
A/C indicator signal |
|
Main body ECU |
Air conditioning amplifier assembly |
Steering wheel location information signal |
|
Combination meter assembly |
Air conditioning amplifier assembly |
Vehicle speed signal |
|
Outside temperature sensor data signal |
|||
ECM |
Air conditioning amplifier assembly |
Engine coolant temperature signal |
|
Engine speed data |
|||
A/C control cut-off signal |
|||
Variable control inhibition signal |
|||
Engine type information signal |
|||
Air conditioning amplifier assembly |
Air conditioning control assembly |
Front panel indication signal |
LIN |
AUTO indication signal |
|||
Blower level indication signal |
|||
A/C indication signal |
|||
REC indication signal |
|||
Rr DEF indication signal |
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DUAL/SYNC indication signal |
|||
Set temperature indication signal |
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Air conditioning control assembly |
Air conditioning amplifier assembly |
Separate A/C information signal |
|
AUTO operation switch signal |
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OFF operation switch signal |
|||
Blower operation switch signal (up, down) |
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Driver seat outlet operation switch signal |
|||
Fr DEF operation switch signal |
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Rr DEF operation switch signal |
|||
DUAL/SYNC operation switch signal |
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Set temperature switch signal |
|||
A/C switch signal |
*: w/ PTC Heater