Town & Country V6-4.0L (2008)
Control Assembly: Description and Operation
Rear Control
DESCRIPTION
The A/C-heater controls for the rear heating-A/C system allows both the front and intermediate seat passengers the ability to regulate air temperature as
well as fan speed and provides a floor outlet near the right rear door and upper air outlets at the ceiling. All controls are identified by ISO graphic
symbols.
The primary controls for the rear heating-A/C system are located in the instrument panelSee: .
The rear A/C-heater control is located in the rear overhead console and allows intermediate seat passengers to adjust rear air distribution, temperature
and blower motor speed when the rear heating-A/C system primary on/off control in the instrument panel is set to the on position and the rear heater-A/C
controls are NOT locked out by the driver and front seat passenger.
The rear automatic temperature control (ATC) A/C-heater control contains:
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a rotary control knob for fan speed selection and turning the rear heating-A/C system off or to Auto mode (2).
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a rotary control knob for temperature control of the rear discharged air (3).
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a rotary control knob for mode control of the rear discharged air (4).
The rear manual temperature control (MTC) A/C-heater control contains:
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a rotary control knob for fan speed selection and turning the rear heating-A/C system on and off (2).
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a rotary control knob for temperature control of the rear discharged air (3).
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a rotary control knob for mode control of the rear discharged air (4).
The rear A/C-heater control is a slave potentiometer to the front A/C-heater control.
The A/C-heater controls are 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 systems and run the calibration
procedure to verify that the concern is not a system issueSee: Service and Repair/Procedures/HVAC Actuator Calibration Procedure.
The rear A/C-heater control cannot be repaired must be replaced if inoperative or damaged. The illumination lamps are available for service
replacement.
