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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
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