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An electronic control unit or ECU is commonly associated with motor vehicles, making it popular in automotive electronics. Some often refer to it explicitly as a control unit or by other names such as control module. Generally, ECU means a system of controls for testing and analyzing electrical systems found in motor vehicles.
A unit is more of a general than a specific term. It simply means that it has other categories under its banner. With modern car owners, it is best to know the most common types of ECUs used by the automotive industry to ensure each vehicle serves its true purpose. The list includes Engine Control Unit, Transmission Control Unit and Airbag Unit.
engine application
Sometimes, an Engine Control Unit is also abbreviated as ECU. Specifically, this part of modern cars is used to control the engines through employing techniques that will determine the amount of fuel the automotive will be fueled. It is also essential in controlling the timing and ignition of these engines through the use of sensors and basic reading values. Other engine functions include controls for idle speed and variable valve timing. Most modern cars already have programmable types and this is extremely important when car owners want to modify a vehicle’s older engine.
Transmission Application
This is another unit for motor vehicles that is important in modern electronics controlling automatic transmissions. It uses the vehicle’s sensors and its associated engine control unit. The Transmission Control Unit calculates when and how a person should change gears. This is important to improve shift quality and provide increased fuel economy. Both these things are important to reach the optimum performance of the automobile. The transmission changed from hydromechanical control to a more updated version that has such controls. One of the most important changes in this type of ECU is the transmission solenoid.
airbag application
Simply known as an airbag, this part of electronic cars is known as one of the passive safety devices. These are known as the passive counterparts of seatbelts. When used by vehicle owners, the Airbag Control Unit becomes an active part of the vehicle as well.
other types
In addition to the three main types of ECU, there are others to which attention should be paid. The list includes telephone control units, man machine interfaces, door and seat control units, and speed control units. No vehicle would be complete without the Calculate Body Control Module which is essential for controlling the door locks, windows and courtesy lights.
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