Engine management system K4M
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Scheme 4. Engine control system K4M: 1 - injection system relay; 2 - engine compartment fuse box; 3 - low fan speed relay; 4 - injector 1; 5 - refrigerant pressure sensor; 6 - air conditioning compressor control relay; 7 - engine compartment/passenger compartment wiring connector (monoblock); 8 - injector 2; 9 - throttle position sensor; 10 - injector 3; 11 - knock sensor 1; 12 - engine cooling fan relay; 13 - intake manifold air temperature sensor; 14 - injector 4; 15 - ignition coil of cylinder 1; 16 - ignition coil of cylinder 4; 17 - ignition coil of cylinder 2; 18 - adsorber;
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19 - idle speed control stepper motor; 20 - ignition coil of the 3rd cylinder; 21 - instrument cluster; 22 - diagnostic oxygen concentration sensor; 23 - control oxygen concentration sensor; 24 - coolant temperature sensor; 25 - absolute pressure sensor in the intake manifold; 26 - power steering pressure relay; 27 - ECU; 28 - vehicle speed sensor; 29 - diagnostic connector; 30 - passenger compartment switching unit; 31 - air conditioning control unit; 32 - crankshaft position sensor; 33 - fuel pump relay; 34 - passenger compartment fuse box