Automatic transmission control system
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United States of America Patent
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Oct 20, 1998
Grant Date -
N/A
app pub date -
Mar 31, 1997
filing date -
Mar 29, 1996
priority date (Note) -
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Abstract
A toriydal type of automatic transmission is changeable between an automatic shift mode and a manual shift mode in which a shift up switch or a shift down switch is operated. The automatic transmission in the manual shift mode is shifted down by one step when the shift down switch is operated and shifted up by two step when the shift up switch is operated, so that the transmission gear ratio changes at a rate smaller during a manual down shift than during a manual up shift.
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