Subaru XT 1988 Service Manual page 1013

4-6
HEATER AND VENTILATOR
MECHANISM AND FUNCTION
Outline
1) Configuration
3) Heating system
The heating and ventilating systems consist of a control unit
at wing installed on steering column, heater unit, blower
ASSY, heater duct, and heater hoses.
A high performance heater system is adopted. All models are
equipped with the front side window defroster.
2) Ventilation system
Fresh outside air is introduced into the compartment through
the center and side ventilator grilles when the ventilator fan is
operated.
Heater
(Foot level outlet)
Fig. 1
2
Defroster
OD
Side defroster
Heater (Foot level outlet)
L4-1206