SYSTEM AND METHOD FOR CONTROLLING A SHUTTER IN A VEHICLE VIA A COOLING FAN DUTY-CYCLE

摘要

A method is provided for controlling operation of an adjustable shutter configured to be operated between and inclusive of fully-closed and fully-opened positions for cooling a powertrain in a vehicle having a grille opening. The method includes monitoring operation of a fan capable of being driven at a selectable speed for cooling the powertrain. The method also includes maintaining the fully-closed position of the shutter when the speed of the fan is below a predetermined speed. The method additionally includes selecting a non fully-closed position of the shutter before the predetermined speed of the fan is selected. Furthermore, the method includes selecting the predetermined speed of the fan after the non fully-closed position of the shutter has been selected. A system for controlling operation of such a fan and a vehicle are also provided.