AUTOMATIC TRANSMISSION CONTROLLER OF INTERNAL COMBUSTION ENGINE PROVIDED WITH SUPERCHARGER

摘要

PURPOSE:To provide an automatic transmission controller which can achieve improvement of drivability and fuel efficiency over a wide range regardless of operation and non-operation of a supercharger. CONSTITUTION:A mechanical supercharger 5 which is mechanically driven from a crank shaft 4 of an engine 1 via an electromagnetic clutch b is provided, and operation of the supercharger is controlled by turning the clutch 6 ON and OFF in accordance with load conditions. An electronic controller (ECU) 21 moves speed change point of an automatic transmission 30 to high speed side only when the supercharger does not operate and car speed is low.