Title:
TRANSMISSION FOR VEHICLE IMPROVED IN OPERATION WHEN SWITCHING TO AUTOMATIC SHIFT
Document Type and Number:
Japanese Patent JP2004190834
Kind Code:
A
Abstract:
To secure drivability, and to smoothly switch shift mode by appropriately setting mode for up-shift in response to the running condition of the vehicle when a transmission for a vehicle is switched from a manual shift mode to an automatic shift mode and a necessity of up-shift is determined.
When the transmission for a vehicle is switched from the manual shift mode to the automatic shift mode and, as a result, a necessity of up-shift is determined and opening of an accelerator is the predetermined value or more, change gear ratio is set on a low speed side in comparison with a usual change gear ratio corresponding to the running condition of the vehicle in the automatic shift mode.
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Inventors:
SHIIBA KAZUYUKI
Application Number:
JP2002362361A
Publication Date:
July 08, 2004
Filing Date:
December 13, 2002
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
F16H61/04; (IPC1-7): F16H61/04
Attorney, Agent or Firm:
Akashi Masatake
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