Engine Speed Control: Discovery
WARNING: This page is about a different car, the 2000 Land Rover Range Rover, 2000 Land Rover Discovery, 1999 Land Rover Range Rover, and 1999 Land Rover Discovery. However, it is still accessible from the selected car via links, so may be relevant.
On vehicles equipped with M/T, engine speed/trip ECU is used to disengage cruise control system if engine speed exceeds 5000 RPM.