Electronic Control Unit M7.9.8 Engine Control Module 39117-2B037

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. The electronic control unit consists of a microcomputer, input, output and control circuits.

Electronic control unit (ECU), also known as "driving computer", "automobile computer", etc. In terms of use, it is a special microcomputer controller for automobiles. Like an ordinary computer, it consists of a microprocessor (CPU), a memory (ROM, RAM), an input/output interface (I/O), an analog to digital converter (a/D), and large plastic and drive integrated circuits. Simply put, "ECU is the brain of the car."