Glossary - Volkswagen Golf 2004 Service Manual

Golf 2004 ➤ , Golf Plus 2005 ➤
Maintenance - Edition 11.2009
6

Glossary

These explanations only apply to "Maintenance Manual". They
are not necessarily generally valid!
Term Explanation
ABS Anti-lock brake system: the ABS is a regulating system in the brake system, that pre‐
vents locking when braking. This helps to maintain directional stability and steerability.
ATF Automatic transmission fluid: gear oil for automatic gearboxes.
ATF level Filling level of ATF in gearbox
CO Carbon monoxide is produced when fuels containing carbon are not combusted com‐
pletely.
CN Cetane number: measurement unit for ignition quality of diesel fuel
DIN Deutsches Institut für Normung e.V (German institute for standardization)
E85 Liquid ethanol fuel for use of adapted petrol engines (ratio: 85 % ethanol to 15 % petrol)
Part No. Abbreviation for part number
EN European standard
EOBD European onboard diagnosis
FAME Fatty acid methyl ester
FSI Fuel Stratified Injection: fuel stratified injection
TFSI Turbo fuel stratified injection
TSI From model year 2008 the designation TFSI is replaced by TSI. Therefore the desig‐
nation TSI is given to TSI turbocharger and TSI twincharger.
TSI turbocharger: charging only with turbocharger
TSI twincharger: charging with turbocharger and compressor
MIL Malfunction Indicator Light: American designation for exhaust emissions warning lamp
K83
NAR North American Region
OBD Onboard diagnosis: the OBD monitors all components influencing the exhaust emis‐
sions quality
OBD-II American onboard diagnosis
PD Unit injector: injector for diesel engines
PR No. Abbreviation for production control number. It identifies among other things optional
equipment or country-specific deviations
PM Particulate matter: soot particulate value for diesel engine emissions
QG0 Vehicles "not" factory-fitted with components for LongLife service. For maintenance the
time and distance dependent intervals (non-flexible intervals) are valid.
QG1 Vehicles are factory-fitted with active LongLife service. This means, vehicles have a
flexible service interval display and are fitted with the following components:
♦ Flexible service interval display in dash panel insert
♦ Engine oil level sensor
♦ Brake pad wear indicator
QG2 The LongLife service is not factory-activated. This means, vehicles have a non-flexible
service interval display (time and distance dependent service intervals) and are fitted
with the following components:
♦ Non-flexible service interval display in dash panel insert
♦ Engine oil level sensor
♦ Brake pad wear indicator
Readiness code 8-digit binary code which indicates if all exhaust relevant diagnoses have been per‐
formed by the engine management.
RON Research octane number: measurement unit of the knock resistance of petrol
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6. Glossary