Abstract: There is proposed a method for locating and representing circuit elements of an electronic circuit for functional testing of the circuit, the circuit diagram information of which circuit is stored as graphical output data for the production of a circuit diagram and as internal circuit diagram data of arbitrary format. From the stored graphical output data of the circuit there is represented on a screen a circuit diagram section and from the stored internal circuit diagram data there are determined the circuit diagram coordinates of arbitrary circuit elements, which are stored for use in locating selected circuit elements in a search data file. Further, for the represented circuit diagram section, the circuit diagram coordinates of the circuit elements stored in the search data file may be additionally marked on the screen. The circuit element is graphically selectable by means of coordinate position marked on the screen.