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Home >> Land Rover >> 2002 >> Discovery Series II SD >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Description & Operation >> Operation - Cruise Control >> Cruise Control Activation >> Function
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Cruise Control Activation: Function

The cruise control ECU receives the set signal and determines the vehicle speed provided by the SLABS ECU. The cruise control ECU activates the vacuum pump assembly to move the pneumatic actuator and the linkage to the throttle disc to maintain set road speed. It does this by controlling the vacuum to the pneumatic actuator.