Correcting method for data used for control operation of vehicular clutch

A method for correcting clutch data including stored meet position data, which is stored in a memory and is used for controlling actuator means for operating a vehicular friction type clutch connected with an internal combustion engine for powering a vehicle with an electronically controlled transmission system, said method comprising steps of:

• carrying out a learning operation to obtain learned meet position data representing a learned meet position of the clutch;
• discriminating whether or not the learned meet position data obtained in said learning operation step is first learned meet position data obtained by the first learning operation carried out after power is applied to the electronically controlled transmission system;
• and,
• updating the stored meet position data stored in the memory by replacing it with said first learned meet position data when a difference between said first learned meet position data and the stored meet position data stored in the memory is greater than a prescribed value representing a predetermined change in a sensed position of said actuator means.