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VAZ 21124 injection engine control circuit (1,6i) EURO II: 1 - ignition coil of the fourth cylinder with a candle; 2 - ignition coil of the third cylinder with a candle; 3 - ignition coil of the second cylinder with a candle; 4 - ignition coil of the first cylinder with a candle; 5 - nozzle of the fourth cylinder; 6 - nozzle of the third cylinder; 7 - nozzle of the second cylinder; 8 - nozzle of the first cylinder; 9 - diagnostic connector; 10 - electronic control unit (ECU); 11 - relay for turning on the fuel pump; 12 - to the engine radiator fan; 13 - relay for turning on the electric fan of the engine radiator; 14 - main relay of the engine management system; 15 - DMRV (mass air flow sensor); 16 - TPS (throttle position sensor); 17 - DTOZH (coolant temperature sensor); 18 - IAC (idle speed controller); 19 - DPRV (camshaft position sensor); 20 - adsorber purge valve; 21 - DPKV (crankshaft position sensor); 22 - knock sensor; 23 - oxygen concentration sensor; 24 - to the ignition lock; 25 - immobilizer control unit (APS); 26 - immobilizer sensor with signaling device; 27 - vehicle speed sensor; 28 - spare connector (for connection to the electrical circuit of the air conditioner); 29 - to the coolant temperature indicator sensor; 30 - to the emergency oil pressure sensor in the engine; 31 - to the positive terminal of the battery; 32 - connector for connection to the electrical network of the car; 33 - fuel module; F1 - fuse for the computer and circuits of the engine management system; F2 - ECU fuse; F3 - fuel pump circuit fuse