To enable easier change of a self-diagnostic program for making a contribution towards improvement in quality of the same program, even if it is required to correct an execution condition for fault detection due to the change of a diagnosis object, a diagnostic drive determination object 200 is provided...http://www.google.com/patents/US20020087237?utm_source=gb-gplus-sharePatent US20020087237 - Controller for vehicle with self-diagnostic function and recording medium