The simulator was developed as an appendix to the online distance learning course for the profession "Diagnosis of mechanisms and systems of electrical and electronic equipment of motor vehicles" for the qualification of the 5th category.In the training simulator it is possible to independently perform diagnostics of electrical and electronic equipment of vehicles using diagnostic equipment. Simulator features:- Two modes of operation (training and tasks).- Availability of tips for performing certain diagnostic actions- In the operating mode to carry out diagnostics with a possibility of removal of details and replacement of faulty components- Ability to repeat any required set of actions an unlimited number of times- Realistic performance of diagnostic operations Modeling of production situations in the process of working with the simulator activates and develops independence, encourages the search for effective ways to solve the problem, rationally plan and organize their activities.