The diagram of the engine management system [The diagram is shown on the example of a car with an 11183 engine (1,6i). Engine 2111 (1,5i) has differences in the power system.]: 1 - switch (lock) ignition; 2 - main relay; 3 - battery; 4 - air filter; 5 - block of the diagnostic connector; 6 - instrument panel; 7 - tachometer; 8 - control lamp for a malfunction of the engine management system; 9 - speedometer; 10 - immobilizer sensor with indicator; 11 - immobilizer control unit; 12 - electric fan of the engine cooling system; 13 - electric fan relay; 14 - electronic control unit (ECU); 15 - coolant temperature sensor; 16 - ignition coil; 17 - spark plug; 18 - camshaft position sensor (phase sensor); 19 - nozzles; 20 - throttle assembly; 21 - throttle position sensor; 22 - mass air flow sensor; 23 - idle speed regulator; 24 - oxygen concentration sensor; 25 - vehicle speed sensor; 26 - crankshaft position sensor; 27 - knock sensor; 28 - crankshaft pulley; 29 - fuel filter; 30 - fuel pump relay; 31 - fuel tank; 32 - fuel module; 33 - safety (two-way) valve; 34 - gravity valve; 35 - check valve; 36 - adsorber purge valve; 37 - adsorber; 38 - separator