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Control diagram of the injection engine 21124 (1.6i) EURO III: 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 - injector of the first cylinder; 6 - injector of the second cylinder; 7 - injector of the third cylinder; 8 - fourth cylinder injector; 9 - diagnostic connector; 10 - Electronic control unit (ECU); 11 - fuel pump relay; 12 - to the engine radiator fan; 13 - relay for switching on the electric fan of the engine radiator; 14 - main relay of the engine management system; 15 - MAF (mass air flow sensor); 16 - TPS (throttle position sensor); 17 - Coolant Temperature Sensor (coolant temperature sensor); 18 - Rough Road Sensor; 19 - IAC (idle speed control); 20 - purge valve of the adsorber; 21 - DPKV (crankshaft position sensor); 22 - knock sensor; 23, 24 - oxygen concentration sensors; 25 - to the ignition switch; 26 - immobilizer control unit (APS); 27 - immobilizer sensor with alarm; 28 - vehicle speed sensor; 29 - spare connector (for connection to the air conditioner electrical circuit); 30 - to the coolant temperature gauge sensor; 31 - to the engine oil pressure sensor; 32 - to the positive terminal of the battery; 33 - DPRV (camshaft position sensor); 34 - connector for connection to the vehicle's electrical network; 35 - fuel module; F1 - fuse for ECU and engine management system circuits; F2 - ECU fuse; F3 - fuel pump circuit fuse