1 - spark plug of the fourth cylinder; 2 - spark plug of the third cylinder; 3 - spark plug of the second cylinder; 4 - spark plug of the first cylinder; 5 - ignition module; 6 - diagnostic connector block; 7 - injector of the first cylinder; 8 - injector of the second cylinder; 9 - injector of the third cylinder; 10 - fourth cylinder injector; 11 - Electronic control unit (ECU); 12 - fuel pump relay; 13 - to the electric fan of the engine radiator; 14 - relay for switching on the electric fan of the engine radiator; 15 - main relay of the engine management system; 16 - mass air flow sensor; 17 - throttle position sensor; 18 - coolant temperature sensor; 19 - Rough Road Sensor; 20 - idle speed controller; 21 - purge valve of the adsorber; 22 - crankshaft position sensor; 23 - knock sensor; 24, 25 - oxygen concentration sensors; 26 - to the ignition switch (lock); 27 - electronic immobilizer control unit; 28 - immobilizer sensor with alarm; 29 - vehicle speed sensor; 30 - spare shoe (for connection to the air conditioner electrical circuit); 31 - to the coolant temperature gauge sensor; 32 - to the engine oil pressure sensor; 33 - to the positive terminal of the battery; 34 - camshaft position sensor; 35 - block for connection to the vehicle's electrical network; 36 - fuel module; F1 - fuse for ECU and engine management system circuits; F2 - ECU fuse; F3 - Fuel pump circuit fuse