Throttle position sensor error recovery control method

Details Throttle position sensor error recovery control method Throttle position sensor error recovery control method

1990-09-24

1991-10-08

Cangialosi, Salvatore

Boots, shoes, and leggings

74866, 36443111, 36457101, G06F 1500

Patent

active

050560220

ABSTRACT:
A transmission controller in which the throttle position sensor signal is used to determine the throttle position so that proper shift selection may be carried out. In the event that the throttle position sensor malfunctions, a value is calculated for the throttle position based upon the manifold atmospheric pressure, then used in place of the actual value for throttle position. Such a substitution remains in effect until the throttle position sensor is properly functioning once again and the actual value for the throttle position is suitable close to the calculated value so that reversion to the actual value will occur without causing shifts that will surprise the driver who is not expecting any such shift.

REFERENCES:
patent: 4490804 (1984-12-01), Martinsons
patent: 4523565 (1985-06-01), Omitsu
patent: 4586403 (1986-05-01), Lee et al.
patent: 4704685 (1987-11-01), Martinsons et al.
patent: 4833613 (1989-05-01), Mack et al.
patent: 4887491 (1989-12-01), Holbrook et al.

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