1.9.2 Engine Electronics
WARNING
Tampering with electronic system installation or original equipment manufacturer (OEM) wiring installation
can be dangerous and could result in personal injury or death and/or engine damage.
WARNING
Electrical Shock Hazard. The electronic unit injectors use DC voltage. The engine control module
(ECM) sends this voltage to electronic unit injectors. Do NOT come in contact with harness connector
for electronic unit injectors while engine is operating. Failure to follow this instruction could result in
personal injury or death.
This engine has a comprehensive, programmable engine monitoring system. The ECM has ability to monitor engine
operating conditions. If conditions exceed allowable range, ECM will initiate an immediate action.
The following actions are available for engine monitoring control:
• Warning
• Derate
• Shut down
The following monitored engine operating conditions have ability to limit engine speed and/or engine power:
• Engine coolant temperature
• Engine oil pressure
• Engine speed
• Intake manifold air temperature
• Diesel exhaust
fl
uid (DEF) system performance
• Aftertreatment system performance
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Summary of Contents for M1240
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