Patent ID: 7862474

Claim:
A speed change control device for an automatic transmission, including a manual speed change mode in which switching between a plurality of gear positions is performed in accordance with a driver operation, the device comprising: a controller which upshifts a gear position when a rotation speed of an input shaft of the transmission exceeds a predetermined high rotation speed; determines a request to downshift the gear position of the transmission exists during traveling in the manual speed change mode; calculates the input shaft rotation speed of the transmission following a downshift based on the downshift request; determines the calculated rotation speed is higher than a rotation speed limit value set on a lower rotation side than the predetermined high rotation speed; and performs a downshift to a gear position at which the input shaft rotation speed of the transmission is lower than the calculated rotation speed when it is determined that the calculated rotation speed is higher than the rotation speed limit value, wherein the controller performs a downshift to a gear position at which the input shaft rotation speed of the transmission is lower than the rotation speed limit value when it is determined that the calculated rotation speed is higher than the rotation speed limit value.