What kind of fault light is etc?

Etc is an electronic system fault light. Generally, it is necessary to check whether the sensors in various parts of the car are normal, and the code can be detected by the diagnostic instrument. Etc fault is caused by components such as throttle valve or spark plug waste gas valve. ETC generally has three explanations: electronic throttle control, electronic temperature control and tracking control device. Generally, small-scale and single-function electronic circuits are called unit circuits, while large-scale electronic circuits composed of several unit circuits (functional blocks) are called electronic systems. Generally, an electronic system consists of three parts: input, output and information processing, which are used to process and control some information or drive some loads.