Shift control method and apparatus of an automatic transmission

Details Shift control method and apparatus of an automatic transmission Shift control method and apparatus of an automatic transmission

2005-09-27

2005-09-27

Black, Thomas G. (Department: 3663)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Transmission control

C477S015000, C477S075000, C477S068000, C477S126000, C475S131000, C475S169000

Reexamination Certificate

active

06950736

ABSTRACT:
In the case of malfunctioning of an inhibitor switch of an automatic transmission, a current vehicle speed is compared with a maximum vehicle speed of a reverse speed when the current vehicle speed is other than 0. The transmission is then controlled to a target shift-speed determined on the basis of vehicle driving state parameters, when the current vehicle speed is higher than the maximum vehicle speed of the reverse speed.

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patent: RE37469 (2001-12-01), Toukura
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patent: 2002/0087239 (2002-07-01), Kwon
patent: 05-025778 (1993-02-01), None
patent: 1019970003560 (1997-03-01), None

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