Adapting motor vehicle engine frictional torque involves using theoretical crankshaft torque derived from difference between actual and theoretical friction torque values as correction value

摘要

The method involves fully disengaging the clutch and operating the engine in a static idle mode, detecting a first theoretical frictional torque signaled to the controller in this state, deriving the theoretical crankshaft torque from the difference between the actual and theoretical torque values and using this as a correction value to adapt the first frictional torque value.