Engine ManagementAJ-V8/5HP24
44
ECM
The engine management system is controlled by
the ECM, which is installed in the control module
enclosure in the engine compartment. The ECM
provides optimum control of the engine under all
operating conditions. It also incorporates a
comprehensive monitoring and diagnostic
capability. Software variations ensure that the
system complies with the latest diagnostic and
emissions legislation of the destination market.
The ECM receives inputs from engine related
sensors and various vehicle systems, and
provides outputs for the following:
• electronic throttle
• fuel pump
• fuel injection
• ignition
• EVAP system
• variable valve timing
• EGR system
• engine starting
• HO2S heaters
• instrument cluster
• A/C compressor clutch
• windshield and backlight heaters
• radiator cooling fans
• diagnostics.
ECM
303-118