1 - ignition coil of the fourth cylinder with spark plug; 2 - ignition coil of the third cylinder with spark plug; 3 - ignition coil of the second cylinder with spark plug; 4 - ignition coil of the first cylinder with spark plug; 5 - fourth cylinder injector; 6 - injector of the third cylinder; 7 - injector of the second cylinder; 8 - injector of the first cylinder; 9 - diagnostic connector block; 10 - Electronic control unit (ECU); 11 - fuel pump relay; 12 - to the electric fan of the engine radiator; 13 - relay for switching on the electric fan of the engine radiator; 14 - main relay of the engine management system; 15 - mass air flow sensor; 16 - throttle position sensor; 17 - coolant temperature sensor; 18 - idle speed control; 19 - camshaft position sensor; 20 - purge valve of the adsorber; 21 - crankshaft position sensor; 22 - knock sensor; 23 - oxygen concentration sensor; 24 - to the ignition switch; 25 - immobilizer control unit (APS); 26 - immobilizer sensor with alarm; 27 - vehicle speed sensor; 28 - spare shoe (for connection to the air conditioner electrical circuit); 29 - to the coolant temperature gauge sensor; 30 - to the engine oil pressure sensor; 31 - to the positive terminal of the battery; 32 - block for connection to the vehicle's electrical network; 33 - fuel module; F1 - fuse for ECU and engine management system circuits; F2 - ECU fuse; F3 - Fuel pump circuit fuse