Engine management system: 1 - ignition switch; 2 - the main river; 3 - battery; 4 - air filter; 5 - diagnostic connector; 6 - instrument panel; 7 - electric fan of the cooling system; 8 - electric fan relay; 9 - electronic control unit; 10 - coolant temperature sensor; 11 - ignition coil; 12 - fuel injector; 13 - throttle assembly; 14 - mass air flow sensor; 15 - oxygen concentration sensor (control); 16 - spark plug; 17 - knock sensor; 18 - crankshaft position sensor; 19 - vehicle speed sensor; 20 - oxygen concentration sensor (diagnostic); 21 - crankshaft pulley; 22 - fuel pump relay; 23 - fuel module; 24 - electronic gas pedal; 25 - purge valve of the adsorber.