Engine Control Module: Description and Operation

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 glove box.

For additional information, refer to COMPUTERIZED ENGINE CONTROLS.