Method for controlling reverse shift restriction in drive range

Details Method for controlling reverse shift restriction in drive range Method for controlling reverse shift restriction in drive range

1996-12-23

1999-08-03

Cuchlinski, Jr., William A.

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Transmission control

701 90, 701 69, G06G 770

Patent

active

059318830

ABSTRACT:
The present invention relates to a method for controlling a reverse shift restriction in a drive "D" range of a vehicle having an automatic transmission. The method for controlling a reverse shift restriction in a drive "D" range of a vehicle's automatic transmission, comprising the steps of generating a frequency signal representative of the vehicle speed and direction. Next, determination of whether creeping is occurring is necessary. The automatic transmission is controlled based on said determination said frequency signal.

REFERENCES:
patent: 4574661 (1986-03-01), Opperud et al.
patent: 4648289 (1987-03-01), Kubo et al.
patent: 4916979 (1990-04-01), Irwin

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