CONTROL APPARATUS AND CONTROL METHOD FOR AN AUTOMATIC TRANSMISSION, PROGRAM FOR DIRECTING A COMPUTER TO EXECUTE THE CONTROL METHOD, AND STORAGE MEDIUM ON WHICH PROGRAM IS RECORDED

摘要

An ECU executes a program that outputs a shift command when a determination has been made to perform a power-on downshift (i.e., YES in SlOO); controls the hydraulic pressure supplied to a friction engagement element to perform the power-on downshift; allows the correction of the hydraulic pressure supplied to the friction engagement element during the power-on downshift when the difference between a target input torque and an estimated input torque is equal to or less than a threshold value ?TT (1) (i.e., YES in S130); and correcting the hydraulic pressure supplied to the friction engagement element during the power-on downshift.