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Home >> Mitsubishi >> 1993 >> Precis L4-1468cc 1.5L SOHC >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Engine Control Module >> Description and Operation >> Engine Control Module (ECM)
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Engine Control Module (ECM)

ECU Location:





PURPOSE
The electronic control unit (ECU) controls the fuel injection, ignition system and the idle speed system.

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

LOCATION
The ECU is located under the drivers side knee bolster.


For additional information, refer to COMPUTERS AND CONTROL SYSTEMS.






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