Glossary of Auto Terms

DriverSide's Car Dictionary has the most comprehensive definitions of automotive terms. This auto glossary can help you decipher what your mechanic is fixing and what the purpose or function of the particular auto part or accessory is for. We have taken the mystery out of automotive service jargon, so that you don't have to.

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ECM

Unless some sort of electrical problems "ruins" yours, your ECM is typically one of those it-either-works-or-it-doesn't items. Also reffered to as the ECU, the "ECM" initialism refers to the Engine Control Module, the "computer" that operates various automotive components (depending on the manufacturer).



See Also:
Resistance
Alternator
Recharge
Spark Plug
Hydrometer
Electrolyte
Spark Plug Wire
Charging System

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