Electronic Control Unit for B-E-N-Z 272 /273 Engine Control Module

The function of ECU electronic control unit is to calculate, process and judge the input information of air flow meter and various sensors according to its stored program and data, and then output commands to provide a certain width of electrical pulse signal to the injector to control the fuel injection amount. Electronic control unit consists of microcomputer, input and output

ECU usually has fault self diagnosis and protection functions. When the system fails, it can also automatically record the fault code in RAM, and read the alternative program from the above inherent program to keep the engine running. At the same time, these fault information will be displayed on the instrument panel and remain immortal, so that the owner can find the problem in time and drive the car to the repair shop.