Sensors

In the engine control loop, two types of sensors are distinguished, active and passive, which differ in the principle of operation. Active sensors do not require an external power supply. Whereas passive sensors must be powered to generate a signal. The electronic control device receives signals about:

• battery voltage measured by the electronic control device.
• angular position of the fuel pump acceleration lever; The fuel pump acceleration lever position potentiometer sensor, powered by 5 V, transmits a voltage signal with a variable value depending on the position of this lever.
• speed of the crankshaft, an inductive speed sensor located on the generator transmits a sinusoidal voltage that varies in proportion to the number of revolutions of the engine crankshaft.
• coolant temperature; NTC thermistor coolant temperature sensor transmits a voltage signal that increases with engine temperature.