Apparatus for indicating an optimum shift position for a manual transmission installed in a vehicle

摘要

An apparatus for instructing an operator to place a gearshift of a manual transmission in an optimum position in accordance with various operating parameters. An upshift zone is formulated and stored in a memory means and when operating conditions of the vehicle fall within the upshift zone, a plurality of timers begin counting for a predetermined amount of time and if operating conditions still fall within predetermined parameters, an upshift signal is issued. The apparatus recognizes if the engine is acting as a brake and if the engine is under a heavy load when accelerating and does not issue an upshift signal.