Toyota Jidosha Kabushiki Kaisha

Motoaki Kamimura

Yoshiharu Harada

Yasushi Kobiki

Takafumi Inagaki

Yoichi Nakashima

Akio Murasugi

Atsushi Muto

A control device of a vehicle includes between an engine and an automatic transmission a fluid transmission device transmitting power from a pump impeller coupled to the engine via a fluid to a turbine impeller coupled to the automatic transmission. The control device determines occurrence of a lost-drive state of the fluid transmission device based on an increase amount of a rotation speed of the engine after a predetermined time during start of the engine.

Control device of vehicle

A gear position display device includes a transmission having a plurality of gear positions, a speed-changing control portion outputting a speed-changing instruction, a display portion displaying a gear position of the transmission, and a detection portion detecting a speed-changing state of a gear position based on the speed-changing instruction, wherein a gear position based on the speed-changing instruction from the speed-changing control portion is displayed after the detection portion confirms actual starting of speed-changing.

Gear position display device of transmission

A deceleration control device for a vehicle including an automatic transmission capable of changing the gear ratio by a shift operation of a driver. The control device controls the load of a brake actuator or engine so that the vehicle is decelerated, when the driver performs a shift operation, under conditions that it is determined that the driver has the intention to decelerate and the automatic transmission is not downshifted.

Growing community of inventors

Toyota, Japan

Motoaki Kamimura