Transmission controller and a method of use

Details Transmission controller and a method of use Transmission controller and a method of use

2005-04-05

2005-04-05

Pang, Roger (Department: 3681)

Interrelated power delivery controls, including engine control

Transmission control

Transmission controlled by engine

Reexamination Certificate

active

06875156

ABSTRACT:
A system and method for controlling a transmission with an automotive vehicle is disclosed. The automotive vehicle includes a powertrain control module (PCM) and a governor pressure sensor coupled to the PCM. The system and method comprises a controller system for sensing at least one parameter of the vehicle. The controller system modifies an excitation voltage to the governor pressure sensor based upon the at least one parameter. A system and method in accordance with the present invention compensates the erroneous shift points in a transmission by ramping the excitation voltage based upon engine and vehicle parameters. In so doing, upshift and downshift points are corrected. Furthermore, the settings for the excitation voltage range can be user-specified to accommodate a variety of vehicles.

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