Scheme 2. K7M engine control system: 1 - injection system relay; 2 - relay and fuse block in the engine compartment; 3 - fuse box in the cabin; 4.5 - fuel pump relay; b - top dead center sensor; 7 - control unit of the air conditioning system; 8,10,15 - instrument cluster; 9, I - control unit for electrical equipment of the cabin; 12 - diagnostic connector; 13 - coolant temperature sensor; 14 - speed sensor; 16.19 - relay of the electric fan of the engine cooling system; 17 - ignition module; 18 - engine control unit; 20 - air conditioner compressor relay; 21 - refrigerant pressure sensor; 22 - knock sensor; 23 - throttle position sensor; 24 - intake air temperature sensor; 25 - electric throttle; 26 - pressure sensor in the intake pipe; 27 - pressure sensor in the power steering system; 28,29,30,31 - nozzles; 32 - adsorber purge valve; 33 - control oxygen concentration sensor