Air Distribution and Filtering

AIR DISTRIBUTION AND FILTERING

NOTE: The air distribution system of this vehicle cannot be equipped with a cabin air filter.

There are 2 sources of air available to the air distribution system:
- Outside air
- Recirculated air

Recirculated air can be selected in any mode other than DEFROST using the RECIRC button on vehicles with manual climate control. Recirculated air is automatically used when the climate control assembly is set to the MAX A/C or OFF mode. Vehicles equipped with dual-zone electronic automatic temperature control (EATC) use recirculated air only when in the AUTOMATIC mode (if functioning to obtain selected temperatures), or when the RECIRC function is selected in any mode other than DEFROST.

Air distribution within the vehicle is determined by the function selector position (manual A/C), or the dual-zone EATC system in the AUTOMATIC mode. The air distribution mode on vehicles equipped with dual-zone EATC can be overridden by the driver if desired. Airflow mode doors are used to direct airflow within the plenum chamber. An electric actuator and cam assembly is used to position the airflow mode control doors.

Vehicles equipped with dual-zone EATC use a heater core and evaporator core housing with 2 separate temperature blend doors. This allows for individual temperature settings to be selected for the RH and LH air outlets. The airflow mode doors are not partitioned for separate RH and LH airflow positions, therefore the airflow mode will always remain similar for the RH and LH sides of the vehicle regardless of the temperatures selected.

Air enters the passenger compartment from the following:
- Instrument panel A/C registers
- Floor duct
- Windshield defroster
- Side window demisters
- Rear seat airflow duct (if equipped)

Passenger compartment air is exhausted from the vehicle through open windows or body air vents.