Corolla dual-engine ecu is on the left side of the cab. Automobile ecu is an electronic control unit, which is composed of microprocessor (MCU), memory (ROM, RAM), input/output interface (IO), analog-to-digital converter (AD) and large-scale integrated circuits such as shaping and driving. Take the 2020 1.8LECVT Comfort Edition of Corolla Twin Engine E as an example: it is a compact 4-door 5-seat car with an ECVT stepless gearbox, with the length, width and height of 4635mm, 1775mm and 1470mm respectively, the wheelbase of 2700mm and the curb weight of/kloc.