if your refering to an ECU it is the central control center for your car. it regulates speed, temperature of different thigs like oil--it does every thing you dont do your self. like shifting gears in an automatic transmission.
Gjon Smith
haynes techbook automotive computer code electronc engine managament system
the electrical system
electrical system
Of which automotive system does the driver have the most direct control while driving?
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An automotive engineer will be designing the mechanics, placement, operation of the system. An automotive technician will be the person doing general repairs to cars in a garage.
Testing software, hardware or mechnical system. Automotive vehicles can be two cars or trucks. Vector is poineer in automotive testing tools www.vector.com
Car related system like fuel delivery, etc.
Suspension system.
A. The suspension system
A vehicle with a carburetor has a venturi.