FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Control System

Control System Inputs
The climate control system inputs are selected manually from the climate control head.

Control System Outputs
The air management doors are controlled by vacuum control actuator and an electronic blend door motor. The air inlet and distribution doors are controlled by vacuum control actuator. The temperature blend door is controlled by the electronic motor.

The electronic blend door motor provides a variable number of temperature blend door positions. Temperature control position energizes the electronic motor moving the temperature blend door.

Vacuum control actuators are used on both air distribution and air inlet doors. Vacuum control actuators are controlled by engine vacuum through the climate control head.