Functional diagram of the system controller «Ecotronic»:
2 - throttle potentiometer of the 1st chamber; 3 - air damper servo; 4 - throttle servo of the 1st chamber; 6 - coolant temperature sensor; 29 - air damper; 45 - throttle valve of the 1st chamber; 77 - idle switch; 78 - control of the fuel supply interruption during engine braking and engine stop; 79 - signal «Coolant temperature»; 80 - signal «Idle switch position»; 81 - signal «Angular position of the throttle valve of the 1st chamber»; 82 - signal «The position of the throttle servo pusher of the 1st chamber»; 83 - signal «Engine speed».
Functional diagram of the system controller «Ecotronic»:
1 - signal «Coolant temperature»; 2 - signal «Engine speed»; 3 - signal «Idle switch position»; 4 - signal «Angular position of the throttle valve of the 1st chamber»; 5 - signal «The position of the throttle servo pusher of the 1st chamber»; 6 - processing of input signals; 7 - control of the fuel supply interruption during engine braking and engine stop; 8 - regulation of the idle mode; 9 - control of cold start and engine warm-up; 10 - control of the enrichment of the combustible mixture during acceleration; 11 - output stage for controlling the throttle valve of the 1st chamber; 12 - air damper control output stage.