Method for determining the wiping use of a wiper blade, and wiper system

A method for determining the wiping use of a wiper of a wiping system for a motor vehicle window, with a view to replacing the wiper once a determined use threshold is exceeded, the system comprising:

• at least one wiper carried by a wiper carrier which is movable from a use position, termed service position, in which the wiper is in contact with an outer surface of the window to carry out wiping thereof by sweeping back and forth, to a position, termed maintenance position, in which the wiper is not in contact with said outer surface of the window,
• the method successively comprising:
• a step a) of acquiring at least one data item which is representative of the presence of the wiper in the maintenance position;
• a step b) of determining the replacement of the wiper with a new wiper;
• and
• a step c) of estimating the wiping use of the new wiper.