Engine control system diagram (Start): 1 - instrument cluster; 2 - speedometer; 3 - tachometer; 4 - fuel gauge; 5 - adsorber purge valve; 6 - vehicle speed sensor; 7 - phase sensor; 8 - electronic engine control unit (ECU); 9 - air temperature sensor in the intake manifold; 10 - coolant temperature sensor; 11 - throttle position sensor; 12 - knock sensor
Engine control system diagram (continuation): 1 - spark plugs; 2 - ignition coil; 3 - ECU; 4 - idle speed regulator; 5 - crankshaft position sensor
Engine control system diagram (continuation): 1 - fuel pump relay; 2 - nozzles; 3 - ECU; 4 - exhaust gas recirculation valve; 5 - absolute air pressure sensor in the intake manifold; 6 - fuel pump
Engine control system diagram (ending): 1 - diagnostic block; 2 - diagnostic oxygen concentration sensor; 3 - ECU; 4 - control oxygen concentration sensor; 5 - rough road sensor; 6 - refrigerant pressure sensor in the air conditioning system; 7 - fuel gauge sensor