Wiring diagram of the engine management system K4J
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Diagram 1. K4J engine management system with manual transmission: 1, 2, 17, 54 - mounting block of the engine compartment; 3, 24, 25, 26 - ignition coil; 4 - fuel level sensor; 5 - clutch pedal limit switch; 6 - low speed relay of the electric fan of the engine cooling system; 7 - high speed relay of the electric fan of the engine cooling system; 8 - control unit for electrical equipment of the cabin; 9 - mounting block in the cabin; 10 - air conditioning compressor control relay; 11, 12, 13, 14, 15, 18, 19, 21, 22, 27, 34, 35, 36, 37, 38, 39, 45, 46, 49, 50, 51, 52 - wiring harness block; 16 - accelerator pedal position sensor; 20 - cruise control switch; 23 - fuel pump relay; 28 - crankshaft position sensor; 29 - electronic unit; 30 - cruise control regulator; 31 - cruise control and airbag control key; 32 - refrigerant pressure sensor; 33 - throttle assembly; 40 - engine control unit; 41 - knock sensor; 42 - coolant temperature sensor; 43 - atmospheric pressure sensor; 44 - air temperature sensor; 47, 48, 56, 57 - nozzle; 53 - injection blocking relay; 55 - heating control unit (conditioning) and ventilation; 58 - adsorber; 59 - diagnostic oxygen concentration sensor; 60 - stoplight switch; 61 - control oxygen concentration sensor; 62 - diagnostic connector
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Scheme 2. Engine management system K4J with automatic transmission: 1 - fuel pump relay; 2 - injection blocking relay; 3 - fuel level sensor; 4, 5, 6, 7 - ignition coil; 8 - crankshaft position sensor; 9 - low speed relay of the electric fan of the engine cooling system; 10 - high speed relay of the electric fan of the engine cooling system; 11 - automatic transmission control unit; 12 - air conditioning compressor control relay; 13 - cruise control switch; 14, 15, 16 - mounting block under the hood; 17 - refrigerant pressure sensor; 18 - throttle assembly; 19 - accelerator pedal position sensor; 20 - control unit for electrical equipment of the cabin; 21 - electronic unit; 22 - cruise control regulator; 23 - cruise control and airbag control key; 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 41, 42, 43, 44, 45, 46 - wiring harness block; 36 - engine control unit; 37 - knock sensor; 38 - coolant temperature sensor; 39 - atmospheric pressure sensor; 40 - air temperature sensor; 47 - heating system control unit (conditioning) and ventilation; 48, 49, 50, 51 - nozzle; 52 - adsorber; 53 - diagnostic oxygen concentration sensor; 54 - stop light switch; 55 - control oxygen concentration sensor; 56 - diagnostic connector
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