CONTROLLING DEVICE FOR SYNCHROMESH TYPE AUTOMATIC TRANSMISSION

摘要

PURPOSE: To provide a controlling device for a synchromesh type automatic transmission capable of carrying out stable speed change operation by preventing slippage of a shift select completion position and actual shift select position. CONSTITUTION: This device is provided with a shift select actuator switching a shift select position to get a target gear step from a plurality of gear steps, a shift select position sensor detecting the shift select position where the target gear step is gotten by the shift select actuator, and a control unit establishing a shift select position at a moment that a shift position variation detected by the shift select position sensor is a designated determination value of less and time from start of shift position change passes a designated time or more as a designated shift select completion position.