AAS	Help for parking
ABC	Active Body Control.
ABR	Anti-blocking system
ABS	Anti-blocking system
AC	Air Conditionner System
ACE	System for active control of roll
ACT	Air charge temperature (sensor)
ACV	Air command valve
ADAPTATIVE AIR SUSPENSION	Piloted shocks for Audi
ADB	Automatic differential brake - autoblocking differential driven by electronics for BMW
ADB-X	Automatic differential Brakes
ADS	Adaptative shock-absorption system
AEI	Integral Electronic Ignition
AFIL	Unintentional line-crossing alert
AIRBAG	Inflating bag for passive security
AIV	Air aspiration electrovalve
AKR	Knock control
APC	Voltage with contact on
ARF	Exhaust gas recycling
ASC + T	Anti Slip Control + Traction
ASC-X	Anti Slip Control X (is an ASC + T for 4-WD from BMW)
ASR	Anti-slip regulation
ASV	Air aspiration electrovalve
AT	Automatic transmission
AWC	All wheel control
AWD	4-wheels drive
BAS	Brake-assist. Emergency brake amplificator for Mercedes
BHI	Integrated Hydro-electronic bloc. Hydractive 3 schocks for Citroen
BSI	Intelligent management ECU. Main component of multiplexed network in PSA cars.
BSR	Tow management ECU
BVA	Automatic Gearbox
BVM	Mechanic gearbox
BVR	Automated Gearbox
CAN	Controller Area Network: Multiplexed network of several ECUs communicating between them with a normalized protocol.
CAN Diag	One of CAN network for PSA (CAN Diagnostic)
CAN IS	One of CAN network for PSA (CAN Inter-System)
CAR MEMORY	Car/Key Memory
CARMINAT	GPS navigation system (Renault)
CDI	Ignition by discharging capacitor
CFC	Chlorofluorocarbon
CFi	Centralized petrol injection
COMAND	Navigation system by GPS (Mercedes)
CPU	Central Unit
CSA	Cold start device
CTN	Negative temperature rate
CTP	Throttle valve - closed
CTS	Coolnat temperature sensor
CTX	Variable transmission
CVT	CVT gearbox
CVT	Continuous Variable Transmission
CVT	Signal to depression sensor
DA	Servo-powered steering
DAE	Electric-powered steering
DBC	Dynamic Brake Control (BMW)
DDE	Digital Diesel Electronic
DDS	Delflation Detection System : Opel.
DEE	Digital Electronic Engine
DI	Direct / integrally electronic ignition
DIS	Digital idle stabilizator
DISA	Differential intake system
DISTRONIC	Programable speed regulator driven by radar (Mercedes)
DLP	Supply pump with diaphragm - low pressure
DME	Difgital electronics (Motronic)
DOHC	Double camshaft on cylinder heads
DPF	Diesel Particulate Filter : Opel.
DPFE	Exhaust of reaction by differential pressure
DSC	Dynamic Stability Control
DSG	Direct shift Gearbox (VW)
DSG	Under-Inflating detection
DSP	Digital Sound Processor
DSTC	Dynamic Stability and Traction Control : Volvo
DTC	Diagnostic Trouble Code
DTC	Dynamic Traction Control : BMW
DURASHIFT	Mechanical gearbox (Ford)
DURATEC	4-cylinders petrol engines (Ford)
DVM	Digital voltmeter
EACV	Elecronic valve for air command
EBA	Emergency Brake assistance (Volvo)
EBD	Electronic Brakeforce distribution
EBV	Electronic Brakeforce distribution (Electronische Brems Verteilung)
ECM	Electronic control Module
ECOTEC	Petrol Engines (Opel)
ECT	Coolant temperature sensor
ECU	Electronic control Unit
EDC	Electronic shocks Control (BMW)
EDC-K	Continuous Electronic shocks Control (BMW)
EDIS	Ignition system without electronic distributor
EDS	Electronic Differential System (VAG)
EFP	Electronic accelerator pedal
EGR	Exhaust Gas Recycling
EGS	Electronic command system for Automatic Transmission
ELCD	Evaporating Lose Command System
ELD	Electronic Load Sensor
ELR	Idle electronic control
EOBD	European On Board Diagnostic
EPROM	Erasable Programmable Read Only Memory
EPS	Electric Power Steering
EPT	Exhast gas transducter
ESA	Electronic Ignition advance
ESBS	Electronic Stability Brake System
ESC	Electronic ignition control
ESP	Electronic Stability Program
ETC	Electronic Traction Control
ETS	!Electronic Throttle command system
ETV	Electronic Engine Throttle
EURO NCAP	European New Car Assessment Program
EVAP	Canister Drain System (coil filter)
EVR	Electronic Vacuum Regulator
EWS	Electronic anti-theft System
EZS	Electronic System Replacing Neiman (Mercedes)
Eci	Electronic injection
Efi	Electronic Injection
Estate	Estate body
FL	Fuse wire
FP	High Pressure Fuel Pump
FPA	Automatic parking brake
FPS	Fire Prevention System (Fiat)
FSI	Fuel Stratified Injection (VAG)
FWD	Front-wheel drive
GMV	Motorfan group
GNV	City Natural Gas - Alternative to petrol for some cars
GPL	Liquefied Petrol Gas
GPS	Global Positionning System (Navigation Device)
HBA	Hydraulic Brake Assistance (VAG)
HC	High Pressure Rate
HDC	Hill descend control (BMW)
HDI	High Pressure Direct Injection
HEGO	Oxygen into hot exhaust gas (sensor)
HFM	Management system with hot films
HO2S	Heated oxygen sensor
HP	Hydraulic pump
HS	Hydropneumatic shocks
HSA	Hill Start Assist (Opel)
HT	High Voltage
HUD	Head-Up Display
HYDRACTIVE 3	Active Shocks (Citroen)
Hz	Hertz - Frequency (Periods/second)
I-DRIVE	Intelligent drive (BMW)
I-VTEC	Intelligent - Variable valve Timing and Electronic lift Control (Honda)
I/O	Input/Output
IAC	Intake air control
IAT	Intake air temperature
ICE	Ingition controlled by on-board electronic
ICM	Ignition ECU
ICSV	Idle adaptation electrovalve
ID	Impact depending system
IDS	Interactive driving System (Opel)
IFS	Independant front shock
IFZ	Infrared remote control for central locking
IMA	Fuel mixture adaptation at idle
IN/INLET	Admission camshaft
IP	Injection Pump (diesel)
IRS	Independant Rear Shocks
ISB	Idle increase electrovalve
ISC	Idle adaptation valve
ISCS	Servo-Idle
ISOFIX	Standart fixation system for seats dedicated for babies
JDD	Faults diary
JTS	Jet Thrust Stochiometric
KAM	Keeping of active memory
KENT	Petrol Engines (Ford)
KEYLESS GO	Keyless start (Mercedes)
KS	Knock sensor
Keyword2000	Communication protocol used for diagnostic purpose
LC	Low compression rate
LED	Light emitting diode
LHD	Left-hand driving
LOGIC7	Hi-Fi system for BMW
LSD	Limited slip differential
LWB	Long body
Lambda	Lambda value
MAF	Massic Air Flowmeter
MAP	Manifold absolute pressure
MFI	Fuel injection by several orifices
MFI-c	Fuel injection by several orifices - continuous
MFI-i	Fuel injection by several orifices - intermittent
MFI-s	Fuel injection by several orifices - sequential
MID	Multi-Information display (BMW)
MIL	Malfunction Indicator Light
MLUS	Modulating locking solenoid
MMC	Manual Mixture Control
MPFi	Multi-jet petrol injection
MPV	Station Wagon
MPi	Multi-jet petrol injection
MSR	Electronic Regulation of engine torque
MT	Manual transmission
MULTIBOX	4WD transmission Haldex type
MULTITRONIC	Transmission with continuous variation (Audi)
MWB	average wheelbase
Map-DI	Direct Ignition manages by ECU
Map-DIS	Ignition without distributor managed by ECU
Map-h	Managed by ECU with Hall effect release
Map-i	Managed by ECU with inductive release
Mot.	Motronic
NAVIDRIVE	Telematic system
NO	Nitric Monoxyd
NO2	Nitric Dioxyd
NOx	Nitric Oxyd
NTC	Negative temperature rate
Nm	Mewton.meter
OBD	On Board Diagnostic
OBD II	On Board Diagnostic 2
OD	Overdrive - Automatic gear on automatic gearbox. Allows to gain in fuel comsumption in cruise speed.
OHC	Camshafts on cylinder heads
OHV	Valves on cylinder heads
OP	Oil pump
OPEN-SKY	Panoramic glass opening roof (Audi)
P	"Parking" position for automatic gearbox
PAG	Polyalkylen glycol
PAS	Power steering
PATS	Passive anti-theft system
PCV	Positive venting of crankcase
PDC	Park Distance Control (BMW)
PGM-FI	programmed injection
PIP	Profile ignition sensing
PLA	Idle Pneumatic enrichment
PLC	Side sliding door
PMS	Absolute pressure sensor management system
PP	Feeding pump with piston
PRE-SAFE	Active and passive security system (Mercedes)
PROCOTEN	Retracting turning wheel system (Audi)
PROM	Programmable memory
PRS	Pedal Release System (retraction of pedals in case of accident)
PS	Servo-steering
PT	Motion connector
PTC	Positive Temperature Rate
QUATTRO	4-WD transmission (Audi)
QUICKSHIFT 5	Digital gearbox (Renault)
RAM	Random Access Memory
RHD	Right handed driving
ROM	Read Only Memory
RPA	Tyre pressure control system (BMW)
RPM	Rotations per minute
RT3	Telematic System (PSA)
RUF	Adaptable catalytic converter
RWD	Rear wheels Drive
SACV	Secondary air command valve
SAS	Parking help system (Audi)
SB	Separating box
SBC	Sensitive Brake Control
SC	Supercharging compressor
SEFI	Sequential electronic Injection
SELESPEED	mechanical gearbox with sequential command (Alfa Romeo)
SENSODRIVE	Electronic management for clutch and gear-changing
SERVOTRONIC	Variable power steering
SFI	Sequential Injection
SIC	Driver information system (Audi)
SIDEGUARD	Curtain airbags for head protection (rear and front)
SLS	Automatically levelled shocks
SMG	Sequential motorsport gearbox (BMW)
SOHC	Camshafts on cylinder heads
SPi	monojet petrol injection
SRS	Additional maintain system: airbags
STC	Anti-slip system
STO	Autotest output
STOP & START	instantaneous stop and start for engine (Citroen)
SUV	Sport-Utility vehicle
SW	Sport Wagon
SWA	unical axle
SWB	Short Body
SZ	Ignition coil
Saloon	Sedan body
TA	Automatic transmission
TB	Torsion bar
TB	Transfer Case
TBI-c	Injection in throttle body - continuous
TBI-i	Injection in throttle body - intermittent
TC	Traction Control (Front wheels traction system for Opel)
TC PLUS	Traction Control Plus (Front wheels traction system for Opel)
TCCS	Engine management system (Toyota)
TCS	Traction Control System (Antislip regulation for Saab)
TD	Turbo diesel
TEMPOMAT	Speed regulator and limiter (Mercedes)
THERMOTRONIC 4	4-zones temperature regulation (Mercedes)
TIPTRONIC S	Automatic gearbox with sequential shift (Audi)
TM	Manual transmission
TORSEN	4-WD transmission (Torsen)
TPM	Tempomat speed regulator
TPMS	Tyre Pressure Monitoring System
TPS	Throttle position sensor/contacter
TRACS	Traction Control System (Volvo)
TSS	Transmission gear selection
TSZ-h	Hall effect transistor ignition
TWA	Twin wheels axle
TWINPORT	System for reducing fuel comsumption (Opel)
TWINSPARK	Twin ignition system (Alfa Romeo)
Trans-h	Hall effect transistor ignition
UCH	Central ECU used by Renault
UCL	Understeer Control Logic
VAF	Air flow sensor
VALVETRONIC	Distribution system with variable command of intake valves (BMW)
VANOS	Variable Nockenwelle System
VDC	Vehicle Dynamic control (similar to ESP for Alfa Romeo)
VEZ	Full electronic ignition
VICS	Variable intake command system
VIN	Vehicle Identification number
VP	Depression pump
VRIS	Admission system with variable resonance
VSC	Vehicle Stability Control - similar to ESP for Lexus
VSS	Vehicle speed sensor
VSV	Aspirating transmission valve
VTEC	Variable valve Timing and Electronic lift Control :
VTV	Aspirating transmission valve
VVC	Variable Valve Control
VVTLi	Variable Valve Timing and Lift Intelligent
VVTi	Variable Valve Timing Intelligent
WOT	Throttle wide-open
WP	Coolant pump
XDRIVE	4-wheels drive transmission for BMW
ZAS	Zylinder Abschaltung System: Automatic shut-off of cylinders for Mercedes