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Home >> Eagle >> 1996 >> Summit L4-1795cc 1.8L SOHC >> Repair and Diagnosis >> Powertrain Management >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Description and Operation >> General Description
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General Description

PURPOSE
The Engine Control Module (ECM) controls the fuel injection, ignition system and the idle speed system.

CONSTRUCTION
The ECM consists of an 8-bit microprocessor, random access memory (RAM), read only memory (ROM) and an Input/Output (I/0) interface. The ECM is also able to perform self-diagnostic procedures and provide back-up functions if certain circuits fail.









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