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2112 injection engine control circuit (1,5i) EURO II: 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; 7 - nozzle of the first cylinder; 8 - nozzle of the second cylinder; 9 - nozzle of the third cylinder; 10 - nozzle of the fourth cylinder; 11 - electronic control unit (ECU); 12 - relay for turning on the fuel pump; 13 - to the engine radiator cooling fan; 14 - relay for turning on the electric fan of the engine radiator; 15 - main relay of the engine management system; 16 - DMRV (mass air flow sensor); 17 - TPS (throttle position sensor); 18 - DTOZH (coolant temperature sensor); 19 - IAC (idle speed controller); 20 - DPDV (camshaft position sensor); 21 - adsorber purge valve; 22 - DPKV (crankshaft position sensor); 23 - knock sensor; 24 - oxygen concentration sensor; 25 - to the ignition lock; 26 - immobilizer control unit (APS); 27 - immobilizer sensor with signaling device; 28 - speed sensor; car; 29 - spare connector (for connection to the electrical circuit of the air conditioner); 30 - to the oil level sensor in the crankcase; 31 - to the coolant temperature indicator sensor; 32 - to the emergency oil pressure sensor in the engine; 33 - to the positive terminal of the battery; 34 - connector for connecting to the electrical network of the car; 35 - fuel module; 36 - to the control lamp of the fuel reserve (on the instrument panel); 37 - to the fuel gauge (on the instrument panel); F1 - fuse for the computer and circuits of the engine management system; F2 - ECU fuse; F3 - fuel pump circuit fuse