8 Appendix A
8.1 Abbreviations
Abbre-
viation
Meaning
Explanation
AC
Alternating Current
AdBlue -
Brand name given by the German automotive indus-
try association (VDA)
Urea solution with 32.5% urea content
ADEC
Advanced Diesel Engine Controller
Engine management system
EGR
Exhaust Gas Recirculation
AL
Alarm
ANSI
American National Standards Institute
Association of American standardization organiza-
tions
ATL
Abgasturbolader
Exhaust turbocharger
BDM
Backup Data Module
Data backup module
BR
Baureihe
Series
BV
Betriebsstoffvorschrift
Fluids and Lubricants Specifications, MTU Publica-
tion No. A01061/..
CAN
Controller Area Network
Data bus system, bus standard
CaPoS Capacitor Power System
Starting system based on capacitors
CDC
Calibration Drift Compensation
Resets the drift correction with DiaSys® in engine
governor to ensure optimum emission and consump-
tion behavior
CRC
Cyclic Redundancy Control
Check sum procedure to detect data transmission
faults
DC
Direct Current
DEF
Diesel Exhaust Fluid
Urea solution with 32.5% urea content
Term used in North America
DIFF
Difference
DIN
Deutsches Institut für Normung e. V.
German National Standards Institute, at the same
time identifier of German standards (DIN = “Deut-
sche Industrie-Norm”)
DL
Default Lost
Alarm: CAN bus failure
DPF
Diesel particulate filter
ECU
Engine Control Unit
Engine governor
ETK
Ersatzteilkatalog
Spare Parts Catalog
FO
Frequency output
GND
Ground
HP
High Pressure
HI
High
Alarm: Measured value exceeds 1st maximum limit
HIHI
High High
Alarm: Measured value exceeds 2nd maximum limit
HT
High Temperature
ID
Identification number
152 | Appendix A | M015695/03E 2013-03
TIM-ID: 0000009959 - 008