A speed change control system for an automatic transmission, for selectively switching a plurality of speed change control modes of different speed change control contents to control a gear ratio of an automatic transmission disposed on an output side of a prime mover. A first speed change control mode...http://www.google.es/patents/US6411878?utm_source=gb-gplus-sharePatente US6411878 - Speed change control system for automatic transmission
Speed change control system for automatic transmission
