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8 Appendix A
8.1 Abbreviations
Abbre-
viation
Meaning
Explanation
AC
Alternating Current
AdBlue -
Brand name of the German Association of Vehicle
Manufacturers (VDA)
Urea solution with 32.5% urea concentration
AL
Alarm
ANSI
American National Standards Institute
Association of American standardization organiza-
tions
BDM
Backup Data Module
Data backup module
BR
Series
BV
Betriebsstoffvorschrift
Fluids and Lubricants Specifications, MTU publica-
tion no. A00..
CAN
Controller Area Network
Data bus system, bus standard
CaPoS Capacitor Power System
Capacitor-based starting system
CDC
Calibration Drift Compensation
Drift compensation must be reset in the engine gov-
ernor using DiaSys® to ensure optimum emissions
and consumption characteristics.
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 concentration
Designation used in Northern America
DIFF
Difference
DIN
Deutsches Institut für Normung e. V.
At the same time identifier of German standards
(DIN = “Deutsche Industrie-Norm”)
DL
Default Lost
Alarm: Default CAN bus failure
DOC
Diesel Oxidation Catalyst
DPF
Diesel Particulate Filter
ECU
Engine Control Unit
Engine governor
EGR
Exhaust Gas Recirculation
ETC
Exhaust turbocharger
FO
Frequency Output
GND
Ground
HI
High
Alarm: Measured value exceeds 1st maximum limit
HIHI
High High
Alarm: Measured value exceeds 2nd maximum limit
HP
High Pressure
HT
High Temperature
ID
Identification number
IIG
Initiale Injektorgleichstellung
The injector code must be entered in the engine gov-
ernor using DiaSys® to ensure optimum emissions
and consumption characteristics.
MS15033/02E 2015-02
| Appendix A | 127
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