XT-6 2WD L6-2.7L SOHC (1989)
Engine Control Module: Description and Operation
Electronic Control Unit (ECU)
Computerized Engine Controls
PURPOSE
The ECU is a computer that calculates signals from various sensors and switches to judge engine operating conditions and sends output signals to
provide precise control and functioning of various systems. Main ECU control functions are:
^ Fuel injection control
^ Ignition system control
^ Idle speed control
^ Canister purge control
