Grand Caravan FWD L4-2.4L VIN B (1997)
Air Door Actuator / Motor: Description and Operation
Recirculation Door Actuator
CIRCUIT OPERATION
A switch in the HVAC control is used to activate the recirculation door. Ground for the switch is supplied on circuit Z2.
The recirculation door is used on vehicles equipped with A/C only. The operation of the door is controlled by the HVAC control.
Circuit C32 from the control supplies power to the door motor. The C34 circuit is the ground path back to the control.
When the system is in the recirculation mode, an indicator is illuminated. This indicator is a Light Emitting Diode (LED). Power for the LED is
supplied from the HVAC control, and ground is supplied on circuit Z2. This ground terminates at the instrument panel ground.
