Dodge Caliber. Manual — part 1411
SPECIAL TOOLS
HEATING-A/C SYSTEM
A/C Line Disconnect Tools 7193
Snap Ring Pliers 9764
A/C Spanner Wrench 9907
Trim Stick C-4755
PM
HVAC - SERVICE INFORMATION
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CONTROLS
TABLE OF CONTENTS
page
page
ACTUATOR-RECIRCULATION DOOR
CABLE-MODE DOOR
CABLE-TEMPERATURE CONTROL
CONTROL-A/C HEATER
RESISTOR-BLOWER MOTOR
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
BLOWER MOTOR RESISTOR . . . . . . . . . . . . . . . . 71
SENSOR-EVAPORATOR TEMPERATURE
TRANSDUCER-A/C PRESSURE
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CONTROLS
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ACTUATOR-RECIRCULATION DOOR
DESCRIPTION
The recirculation door actuator (1) is a reversible, 12
volt direct current (DC), servo motor. The recirculation
door actuator is located on the right side of the HVAC
air inlet housing and is directly connected to the pivot
shaft lever of the recirculation-air door.
The recirculation door actuator is contained within a
black molded plastic housing with an integral wire con-
nector receptacle (2), an output shaft with splines (3)
that connect it to the recirculation door and three inte-
gral mounting tabs (4) that allow the actuator to be
secured to the air inlet housing. The recirculation door
actuator does not require mechanical indexing to the
recirculation-air door, as it is electronically calibrated
by the A/C-heater control.
OPERATION
The recirculation door actuator is connected to the A/C-heater control through the vehicle electrical system by a
dedicated two-wire lead and connector of the instrument panel wire harness. The recirculation door actuator can
move the recirculation-air door in two directions. When the A/C-heater control pulls the voltage on one side of the
motor connection high and the other connection low, the recirculation-air door will move in one direction. When the
A/C-heater control reverses the polarity of the voltage to the motor, the recirculation-air door moves in the opposite
direction. Once the A/C-heater control makes the voltage to both connections high or both connections low, the
recirculation-air door stops and will not move.
The recirculation door actuator cannot be adjusted or repaired and, if faulty or damaged it must be replaced.
REMOVAL
WARNING: Disable the airbag system before attempting any steering wheel, steering column, or instrument
panel component diagnosis or service. Disconnect and isolate the negative battery (ground) cable, then wait
two minutes for the airbag system capacitor to discharge before performing further diagnosis or service.
This is the only sure way to disable the airbag system. Failure to take the proper precautions could result
in accidental airbag deployment and possible personal injury or death.
PM
CONTROLS
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NOTE: Illustration shown with instrument panel
removed for clarity.
1. Disconnect and isolate the negative battery cable.
2. Remove the glove box bin (refer to 23 - BODY/IN-
STRUMENT
PANEL/BIN-GLOVE
BOX
-
REMOVAL).
3. Reach through glove box opening in the instrument
panel and remove the screws (1) that secure the
recirculation door actuator (2) to the right side of
the HVAC air inlet housing (3).
4. Remove the recirculation door actuator from the air
inlet housing and disconnect the wire harness con-
nector (4) from the actuator.
5. Remove the recirculation door actuator from the
vehicle.
INSTALLATION
1. Position the recirculation door actuator (1) to the
right side of the HVAC air inlet housing (2).
2. Install the recirculation door actuator onto the air
inlet housing. If necessary, rotate the actuator
slightly to align the splines on the actuator output
shaft (3) with those on the recirculation door pivot
shaft adapter (4).
3. Install the screws (1) that secure the recirculation
door actuator (2) to the air inlet housing (3).
Tighten the screws to 2 N·m (17 in. lbs.).
4. Connect the instrument panel wire harness connec-
tor (4) to the recirculation door actuator.
5. Install the glove box bin (refer to 23 - BODY/IN-
STRUMENT PANEL/BIN-GLOVE BOX - INSTAL-
LATION).
6. Reconnect the negative battery cable.
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CONTROLS
PM
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