DDEC Flashcards
1
Q
DDEC Features
A
Computerized Electronic Engine Governing System Electronic fuel injection Self diagnostics Improved engine performance Rapid warm-up Precise engine synchronization Low idle operation Engine stall, transmission and Overload protection
2
Q
How DDEC works
A
Sensors and operator inputs send signals to the ECM.
Info sent to the ECM is used to precisely regulate engine performance
3
Q
DDEC Sensors
A
R/G Oil Temp
R/G Oil Pressure
MDE Oil temp Oil psi J/W level J\w temp Fuel psi Fuel temp Boost psi Synchronis ref sensor. SRS Timing reference sensor TRS Voltage
4
Q
7 Major Functions of ECM
A
Engine Governing Cold start fueling and timing Engine protection and diagnostics Injection timing Rated speed and power Sensor Calibrations
5
Q
Code 48
A
Fuel oil pressure low
6
Q
Code 45
A
Oil pressure low
7
Q
Code 44
A
Coolant temperature high
8
Q
Code 46
A
ECM battery low
9
Q
E/R fire alarm
A
Sounds when temps in
E/R go above 190deg F
