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Abbre-
viation
Meaning
Explanation
IIG
Initial injector equalization
The injector code must be entered in the engine con-
trol system using DiaSys® to ensure optimum emis-
sions and consumption characteristics.
ISO
International Organization for Standardiza-
tion
International umbrella organization for all national
standardization institutes
ITS
Integrated Test System
KGS
Kraftgegenseite
Free end in accordance with DIN ISO 1204
KS
Kraftseite
Driving end in accordance with DIN ISO 1204
LED
Light Emitting Diode
LO
Low
Alarm: Measured value lower than 1st minimum limit
LOLO
Low Low
Alarm: Measured value lower than 2nd minimum lim-
it
MTU
Maschinen- und Turbinenunion
MV
Magnetventil
Solenoid valve
OEM
Original Equipment Manufacturer
OT
Oberer Totpunkt
Top dead center (TDC)
PAU
Power Automation Unit
Module for monitoring, control and plant-related sys-
tem integration of peripheral components
PDU
Process Data Unit
POM
Power Output Module
Module to control starter and battery-charging gen-
erator
PU
Projektumgebung
Project environment
P-xyz
Pressure-xyz
Pressure measuring point xyz indicates measuring
point designation
SAE
Society of Automotive Engineers
U.S. standardization organization
SAM
Service and Automation Module
SD
Sensor Defect
Alarm: Faulty sensor
SS
Safety System
Safety system alarm
TBO
Time Before Overhaul
TEN
Technical Evolution Network
Technical sales documents, engine data, technical
data
T-xyz
Temperature-xyz
Temperature measuring point xyz, indicates measur-
ing point designation
U
Symbol for electric voltage
UIC
Union Internationale des Chemins de Fer
International railway association
Ultra-
Caps
UltraCaps modules
Capacitors for starting system
UT
Unterer Totpunkt
Bottom dead center (BDC)
WZK
Tool Catalog
154 | Appendix A | MS15042/00E 2014-10
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