Method for controlling an automatic mechanical transmission including speed sensor signal fault detection and tolerance

A METHOD IS PROVIDED TO CONTROL AN AMT SYSTEM (10), INCLUDING THE DETECTION AND IDENTIFICATION OF FAILURE INPUT SIGNALS (ES, IS, OS) OF THE ENGINE SPEED DETECTOR (28), OF THE ENTRY AXLE SPEED DETECTOR (28) 32) AND / OR THE OUTPUT SHAFT SPEED DETECTOR (36) AND, IF ONLY ONE OF THE SPEED SIGNS (ES, IS OR OS) FAILS, MODIFY THE CONTROL LOGIC METHOD (42) TO A LOGIC METHOD TOLERANT OF THE IDENTIFIED FAILURE INPUT SIGNAL.