Failure detecting system and method for automatic transmission

Details Failure detecting system and method for automatic transmission Failure detecting system and method for automatic transmission

1996-01-18

1997-01-07

Marmor, Charles A.

Interrelated power delivery controls, including engine control

Transmission control

Engine starting interlock

477125, 477906, F16H 6112, B60K 4104

Patent

active

055911013

ABSTRACT:
A method and system for detecting a failure of an automatic transmission for a vehicle employing a speed shift range switch operation signal from a speed shift range switch as one of the control signals to control the automatic transmission. The method is carried out by: detecting a speed shift range from the speed shift range switch; generating a start signal indicating a starting state of a starter for expediting a start of an engine for the vehicle; and automatically controlling the automatic transmission so as to maintain the speed shift range in the case where "P" or "N" range is not detected when the start signal is "ON".

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patent: 5468197 (1995-11-01), Loeffler

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