Durango 2WD V8-4.7L Flex Fuel (2009)
control knob and the front fan speed/on/off control knob are available for service replacement.
The A/C-heater control utilizes integrated circuitry and information carried on the Controller Area Network (CAN) B bus to monitor many sensors and
switch inputs throughout the vehicle. In response to those inputs, the internal circuitry and programming of the A/C-heater control allow it to control
electronic functions and features of the ATC heating-A/C system.
The inputs received by the A/C-heater control of the ATC heating-A/C system on the CAN B bus are as follows:
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Ambient Air Temperature
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A/C Compressor Messages (HEV model)
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Dimming
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A/C Compressor Messages (HEV model)
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Heater Auxiliary Coolant Pump Flow (HEV models)
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Engine Coolant Temperature
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Engine RPM (HEV models)
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High Voltage Battery Pack Fan Speed (HEV model)
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Ignition Voltage
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Infrared Temperature Sensor
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Humidity Sensor (HEV models)
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Propulsion System A/C Request (HEV model)
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Refrigerant Pressure
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Vehicle Identification Number
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Vehicle Odometer
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Vehicle Speed
The messages broadcasted by the A/C-heater control of the ATC heating-A/C system on the CAN B bus are as follows:
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A/C Request
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A/C Select
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Climate Control Front Blower Speed (HEV models)
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Climate Control Rear Blower Speed (HEV models)
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Electric A/C Compressor Request (HEV models)
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Heater Auxiliary Coolant Pump Request (HEV models)
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High Voltage Battery Pack Fan Speed Limit Request (HEV model)
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Rear Washer Request
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Rear Window Defogger (EBL) Request
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Rear Wiper Request
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Sun Sensor Data (Automatic Headlamp Control, when equipped)
REAR CONTROL PANEL
The rear A/C-heater control (1) is located at the rear of the center floor console (2) and allows intermediate seat passengers to adjust rear temperature
and blower motor speed when the control knob on the front A/C-heater control (3) is set to the Rear Manual position See: .
