Avenger V6-3.5L (2008)
Control Assembly: Description and Operation
Manual Temperature Control (MTC) System
MANUAL TEMPERATURE CONTROL (MTC) SYSTEM
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 electrically operated controls. These controls provide the vehicle operator with a number of setting options to help control
the climate and comfort within the vehicle.
The A/C-heater control 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 (1).
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a rotary control for temperature control of the discharged air (2).
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a rotary control for mode control of the discharged air (3).
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a push-button control with indicator lamp for recirculation control of the discharged air (4).
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a push-button control with indicator lamp to turn the A/C system on and off (5).
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a push-button control with indicator lamp to turn the rear window defogger system on and off (6).
The A/C-heater control for the MTC heating and A/C system and is diagnosed using a scan tool.
Prior to replacing an A/C-heater control, check for any diagnostic trouble codes (DTCs) related to the heating-A/C system and run the Actuator
Calibration function using a scan tool to verify that the concern is not a system issue See: Testing and Inspection/Component Tests and General
Diagnostics/HVAC System Test.
The A/C-heater control cannot be adjusted or repaired and must be replaced if found inoperative or damaged.
