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Home >> Jaguar >> 2007 >> XK8 2D Convertible >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Electronic Engine Controls >> Electronic Engine Controls (4.2L, Vehicles Without: Supercharger) >> Electronic Engine Controls - Description & Operation >> Components >> Cooling Fan Control

Cooling Fan Control

The ECM controls an electric fan to provide engine cooling. The ECM supplies the fan with a PWM signal that controls the speed of the fan, thus providing the correct amount of cooling fan speed and airflow. The EMS uses a Hall effect sensor to determine the fan speed.

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