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3 Posts in this encyclopedia categoryThrottle valve
Controls the air supply to the engine and, on commercial vehicles, is often also used to support exhaust gas recirculation.
Through-drive
Passes the torque on through the differential to the next axle, for example on vehicles with more than one driven axle.
Transmission control
The electronics that control the shift sequences in automated manual transmissions (AMT) and communicate with the rest of the vehicle.