Challenger V6-3.5L (2009)
Control Assembly: Description and Operation
DESCRIPTION
The A/C-heater control for the manual temperature control (MTC) single zone system allows one temperature setting for the entire vehicle. All controls
are identified by ISO graphic symbols.
The heating-A/C system uses a dedicated microprocessor to drive the electrically operated door actuators. This control provides the vehicle operator with
a number of setting options to help control the climate and comfort within the vehicle.
The A/C-heater control (1) is located in the instrument panel and contains:
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a rotary control for blower motor speed selection and to turn the blower motor off (2).
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a rotary control for temperature control of the discharged air (3).
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a rotary control for mode control of the discharged air (4).
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a push-button control with indicator lamp to turn the rear window defogger system on and off (5).
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a push-button control with indicator lamp to turn the A/C system on and off (6).
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a push-button control with indicator lamp for recirculation control of the discharged air (7).
Prior to replacing an A/C-heater control, perform the HVAC System Test and the Actuator Calibration function to verify that the concern is not a system
issue See: Testing and Inspection/Component Tests and General Diagnostics/HVAC System Test See: Service and Repair/HVAC Actuator Calibration
Procedure.
The A/C-heater control and A/C system and is diagnosed using a scan tool See: Powertrain Management/Computers and Control Systems/Testing and
Inspection/Diagnostic Trouble Code Tests and Associated Procedures.
The A/C-heater control cannot be adjusted or repaired and must be replaced if inoperative or damaged.
