8 Appendix A
8.1 Abbreviations
Abbreviation
Meaning
Explanation
A/D
Analog/Digital
Transformer: transforms sensor voltages into
numeric values
ADEC
Advanced Diesel Engine Controller
Engine management system
AFRS
Air Filter Restriction Sensor
ANSI
American National Standards Institute Association of American standardization or‐
ganizations
ATL
Abgasturbolader
Exhaust turbocharger (ETC)
ATS
Air Temperature Sensor
BR
Baureihe
Series
BV
Betriebsstoffvorschrift
Fluids and Lubricants Specifications, MTU
Publication No. A01063/..
CAN
Controller Area Network
Data bus system, bus standard
CDC
Calibration Drift Compensation
Setting of drift compensation in engine gov‐
ernor with DiaSys
CEL
Check Engine Light
1st function: Warning lamp (rectify fault as
soon as possible)
2nd function: Read out fault codes
CKT
Circuit
CLS
Coolant level sensor
Monitors coolant level
CPS
Coolant pressure sensor
Monitors coolant pressure
CTS
Coolant temperature sensor
Monitors coolant temperature
DDEC
Detroit Diesel Electronic Controls
Engine control system made by Detroit Die‐
sel
DDL
Diagnostic Data Link
Diagnostic lines
DDR
Diagnostic Data Reader
Diagnostic unit
DIN
Deutsches Institut für Normung e. V.
At the same time identifier of German stand‐
ards (DIN = “Deutsche Industrie-Norm”)
DL
Default Lost
Alarm: Default CAN bus failure
DOC
Diesel Oxidation Catalyst
Oxidation catalyst upstream of the diesel
particulate filter
DPF
Diesel Particulate Filter
DT
Diagnostic Tool
Diagnostic unit
ECM
Electronic Control Module
Electronic control unit of the DDEC system
ECU
Engine Control Unit
Engine governor
EDM
Engine Data Module
Memory module for engine data
EEPROM
Electrically Erasable Programmable
Read Only Memory
EFPA
Electronic Foot Pedal Assembly
MS15025/00E 2011-12 | Appendix A | 65
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