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Home >> Land Rover >> 2002 >> Range Rover >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Description & Operation >> Operation - Cruise Control >> Switching Off Cruise Control >> Function
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Switching Off Cruise Control: Function

When the cruise control master switch is turned off, the cruise control ECU switches off power to the vacuum pump assembly. The vacuum dump valve opens releasing the vacuum in the pneumatic actuator, returning the throttle disc to driver control via the accelerator pedal.

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