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Home >> Chrysler >> 2006 >> Sebring Base, 2D Convertible, 2.7 R >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> HVAC Systems >> Controls >> In-Car Temperature Sensor >> Operation

In-Car Temperature Sensor: Operation

Air is drawn from the passenger compartment by the aspirator motor, and flows over the in-car temperature sensor thermistor. The thermistor changes resistance with air temperature. The BCM measures this resistance and calculates the temperature of the air drawn into the A/C-heater control. The ATC system then makes adjustments to maintain the optimum passenger compartment comfort. Refer to IN-CAR SENSOR ASPIRATOR MOTOR OPERATION  table for when the aspirator motor is operating.

IN-CAR SENSOR ASPIRATOR MOTOR OPERATION

CONDITION  MOTOR OPERATION 
IGNITION SWITCH IS ON Motor always operates, even when ATC control head "off" button is pushed.
VEHICLE IS DRIVEN, THEN THE IGNITION SWITCH IS TURNED OFF Motor turns off when the ignition switch is turned off.
VEHICLE DOOR IS OPENED, AND LEFT OPEN, WITHOUT TURNING ON THE IGNITION SWITCH Motor will turn on, and then turn off approximately 2 minutes from the time the door was opened.
VEHICLE DOOR IS OPENED, AND THEN CLOSED, WITHOUT TURNING ON THE IGNITION SWITCH Motor will turn on, and then turn off approximately 2 minutes after the door was closed.

The in-car temperature sensor thermistor and aspirator motor are part of the A/C-heater control and cannot serviced separately. If faulty or damaged, the A/C-heater control must be replaced.

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