| A - |
out (Aus)
|
| A - |
processed vehicle speed signal
|
| A/D |
Analog/Digital
|
| AB |
Airbag
|
| ABL |
Brake system warning Lamp (2 color)
|
| ABS |
Anti-lock Braking System
|
| AC |
Air Conditioning
|
| ACC |
Active Cruise Control
|
| ACS |
Active Comfort Seats
|
| ADB(X) |
Automatic Differential Braking
|
| ADS |
engine intake air control
|
| ADV |
windshield wiper pressure control
|
| AEGS |
Automatic Electronic Gearbox Control (also EGS)
|
| AFM |
Air Flow Meter
|
| AG |
Automatic Gearbox (transmission)
|
| AGD |
suction silencer
|
| AGR |
emission reduction
|
| AGS |
Adaptive transmission control
|
| AHK |
Active rear-axle Kinematics
|
| AHK |
trailer hitch
|
| AHM |
trailer Module (not for US models)
|
| AHPS |
Advanced HPS
|
| AIC |
Automatic Interval Control (rain sensor)
|
| AKF |
activated carbon canister
|
| AKS |
Active head restraint
|
| AKS |
pressure regulating device
|
| ALC |
Automatic Light Control
|
| ALR |
Automatic Lamp Range Adjustment
|
| AMM |
Air Mass Meter
|
| AMP |
radio system AMPlifier
|
| ARI |
car radio information system
|
| ARS |
Active Roll Stabilization
|
| ASC |
All Season traction
|
| ASC+T |
ASC+ Traction control
|
| ASC-EZA - ASC w/ engine timing and injection intervention
|
| ASK |
Audio System controller (Kontroller)
|
| ASR |
self starter block relay
|
| AST |
Automatic Slip control (marketing term)
|
| AT |
Antenna
|
| AT |
remanufactured part
|
| ATF |
Automatic Transmission Fluid
|
| ATL |
exhaust gas turbo charger
|
| AUC |
Automatic air recirculation
|
| AUT |
AUTomatic transmission
|
| AVT |
Antenna amplifier Tuner
|
| AZD |
tightening torque specifications
|
| B - |
Benzene (gasoline)
|
| BAT |
BATtery
|
| BC |
Board Computer
|
| BC1 |
Body Controller 1
|
| BL |
Brake Light
|
| BLS |
Brake Light Switch
|
| BMBT |
Board Monitor
|
| BS |
Block diagram
|
| BST |
Battery Safety Terminal
|
| BVA |
Brake pad wear indicator
|
| BZM |
center console control center
|
| BZMF |
center console control center, rear
|
| CAN |
Controller Area Network (Multiple ECU Controller)
|
| CAN-Bus |
Controller Area Network (bus)
|
| CANH-Bus |
CAN bus, High
|
| CANL-Bus |
CAN bus, Low
|
| CANP |
fuel tank ventilation valve
|
| CAS |
Car Access System
|
| CBC |
Corner Braking Control
|
| CBS |
Condition Based Service
|
| CCM |
Check Control Module
|
| CD |
Control Display
|
| CDC |
Compact Disk Changer
|
| CDS |
CD player
|
| CEL |
CELsius
|
| CIM |
Chassis Integration Module
|
| CO |
Carbon monOxide
|
| COMBI |
Electronic Instrument Cluster
|
| CON |
CONtroller
|
| CU |
Copper
|
| CVM |
Convertible top Module
|
| CVT |
Constantly Variable Transmission
|
| CW |
drag coefficient
|
| D-Bus |
Diagnosis bus (same as TXD)
|
| D1 |
Xenon light/ gas discharge
|
| DBC |
Dynamic Brake Control
|
| DBS |
Dynamic Braking System
|
| DCS |
Dealer Communication System
|
| DD |
Dynamic motor Drive
|
| DDE |
Digital Diesel Electronics
|
| DE |
Diagnostic Unit
|
| DIN |
German industrial standards
|
| DIS |
Diagnosis and Information System
|
| DISA |
Differential air intake control
|
| DIVA |
continuously variable length intake runners
|
| DK |
throttle housing/valve
|
| DKB |
throttle w/ brake intervention
|
| DKE |
Throttle Increase
|
| DKI |
throttle position
|
| DKR |
throttle reduction
|
| DKT |
throttle position signal
|
| DKV |
preset throttle position value
|
| DM-TL |
Diagnostic Module Tank Leakage
|
| DME |
Digital Motor Electronics
|
| DOHC |
Double Over Head Camshafts
|
| DS |
gasket set (from ETK)
|
| DSC |
Dynamic Stability Control
|
| DSP |
Digital Sound Processing
|
| DTC |
Diagnostic Trouble Code (SAE)
|
| DTC |
Dynamic Traction Control
|
| DWA |
theft deterrent system
|
| DWS |
tire pressure Warning System
|
| DZM |
revolution counter
|
| E - |
in (Ein)
|
| E-KAT |
Electrically heated catalytic converter
|
| EBA |
installation instructions
|
| EBV |
Electronic Brake force proportioning
|
| ECE |
European market version
|
| ECM |
Engine Control Module (SAE term)
|
| ECM |
Engine Control Module (SAE term)
|
| ECO |
Controller for I-Drive system
|
| ECU |
Electronic Control Unit
|
| EDC |
Electronic Dampening Control
|
| EDC |
Electronic Damper Control
|
| EDC-K |
Electronic Dampening Control - Continuous
|
| EDK |
Electronic throttle valve
|
| EDR |
Electronic throttle control
|
| EDS |
pressure regulator
|
| EFH |
Electric window lifter
|
| EGS |
Electronic transmission control
|
| EH |
Electronic-Hydraulic
|
| EHC |
Electronic Height Control
|
| EKM |
Electronic body Module
|
| EKP |
Electric fuel Pump
|
| ELV |
Electronic steering lock
|
| EM |
Electro-Mechanical
|
| EMF |
Electro-Mechanical parking brake
|
| EML |
Electronic Motor Load regulation
|
| EMV |
Electro-Magnetic sensitivity
|
| EO |
Electronic Parts Catalog
|
| EPROM |
Erasable/ Programmable chip Memory
|
| ESS |
Electronic anti-theft device
|
| ETK |
Electronic parts catalog
|
| ETM |
Electrical Troubleshooting Manual
|
| EV |
injection Valve
|
| EWS |
Electronic drive-away protection
|
| EZA |
see ASC-EZA
|
| FB |
Function description
|
| FBC |
Fading Brake Control
|
| FBD |
remote control services
|
| FBZV |
radio frequency locking system
|
| FGR |
Vehicle Speed Control (Cruise Control)
|
| FH |
window lifter
|
| FHK |
rear Heater/ air conditioner
|
| FLC |
automatic Light Control
|
| FRU |
Flat Rate Unit
|
| FS |
Crash Sensor
|
| FZV |
central lock receiver
|
| GAL |
speed dependent sound volume
|
| GM |
General Module
|
| GMR |
yaw moment control
|
| GPS |
Global Positioning System
|
| GRII |
cruise control
|
| GRS |
rotation Rate Sensor
|
| GS |
Belt Tensioner
|
| GWK |
torque converter lock-up control
|
| H - |
rear (Hinten)
|
| H2 |
Xenon headlights
|
| HA |
rear Axle
|
| HC |
Hydro Carbon
|
| HD |
Heavy Duty
|
| HDC |
Hill Decent Control
|
| HFM |
Hot Film air mass Meter
|
| HG |
manual Gearbox (transmission)
|
| HKL |
Hydraulic trunk lid Lift
|
| HLM |
Hot Wire Air Mass Meter
|
| HPS |
Head Protection System
|
| HR |
Heater control (
|
| HVA |
Hydraulic Valve Adjuster
|
| Hz |
Hertz (Cycle)
|
| I-Bus |
Information bus
|
| IB |
Interior lighting control signal
|
| IHKA |
automatic Heating and A/C
|
| IHKAF |
IHKA w/ micro filter
|
| IHKR |
regulated Heating and A/C
|
| IHKRF |
IHKR w/ micro filter
|
| IHKS |
standard Heating and A/C
|
| IHPD |
Internal High Pressure Deformation
|
| IHR |
Integrated Heater control
|
| IKE |
Instrument cluster Electronics
|
| ILH |
Interior Lighting, rear
|
| ILV |
Interior Lighting, front
|
| IMS |
Instant Mobility System
|
| IR |
Infrared
|
| IRS |
Infrared Locking System
|
| ISC |
Idle Speed Control
|
| ISIS |
Intelligent Safety Integration System
|
| ISN |
Individual Serial Number
|
| ISOFIX |
standardized mounts for child restraints
|
| ITS |
head airbag assembly/ Inflatable Tubular Structure
|
| IVM |
Integrated power supply Module
|
| K-Bus |
body bus (Karosserie)
|
| KAT |
catalytic converter
|
| KATON |
converter creating (signal)
|
| KD |
Kick-Down
|
| KHI |
interface for headphones
|
| KL |
terminal designation
|
| KL15 |
run bus (ignition switch run position)
|
| KL30 |
battery bus (hot at all times)
|
| KL31 |
ground bus (chassis ground)
|
| KL50 |
start bus (ignition start position)
|
| KLR |
accessory bus
|
| KO |
compressor "on" signal
|
| KOMBI |
instrument cluster
|
| KOREL |
compressor relay signal
|
| KR |
Contact Ring
|
| KSK |
Knock Sensor
|
| KVA |
fuel consumption signal/value
|
| KW |
KiloWatt
|
| KW |
crankshaft
|
| LCM |
Lamp Check Module
|
| LDP |
Leak Diagnosis Pump
|
| LEV |
Low Emissions Vehicle
|
| LEW |
Lateral acceleration sensor
|
| LHD |
Left-Hand Drive
|
| LIN |
Local Interconnect Network
|
| LKM |
Lamp control Module
|
| LL |
closed throttle
|
| LM |
Light Module
|
| LMM |
air flow meter/sensor
|
| LMR |
Light alloy wheel
|
| LRA |
vertical headlight aiming
|
| LSM |
steering column memory
|
| LSZ |
Lamp Switching center
|
| LVA |
air supply system (for EHC system)
|
| LWR |
vertical headlight aim control
|
| LWS-5 |
steering angle sensor
|
| M-Bus |
IHKA/IHKR stepper motor bus
|
| MAL |
center armrest
|
| MBC |
Maximum Brake Control
|
| MDK |
Motorized throttle valve/system
|
| MFC |
Multi-Function Controller
|
| MFL |
Multi-Function steering wheel
|
| MFU |
Multi-Function Clock
|
| MID |
Multi-Information Display
|
| MIL |
Malfunction Indicator Lamp (SAE), "check engine" Lamp
|
| MIR |
Multi-Information Radio
|
| MMC |
Multi-Media Changer
|
| MOST |
Fiber Optics Connection
|
| MOST-Bus |
Media Oriented System Transport bus
|
| MRS |
Multiple Restraint System
|
| MSR |
engine drag torque Regulation
|
| MV |
Magnetic Valve (solenoid Valve)
|
| MoDiC |
Mobile Diagnostic Computer
|
| NAVI |
Navigation module
|
| NG |
New Generation (as in N73 engine)
|
| NG |
tilt sensor
|
| NOX |
Nitrogen Oxides/ exhaust gas recirculation
|
| NSD |
rear muffler
|
| NSL |
rear fog Lamp
|
| NSW |
fog lamp
|
| NTC |
Negative Temperature Coefficient
|
| NW |
camshaft
|
| OBC |
On-Board Computer
|
| OBD |
On-Board Diagnosis (SAE)
|
| OPPS |
Optical Programmier und Prüf System
|
| OPS |
Optical Programmier System
|
| P-Bus |
Periphery bus
|
| P/N |
Park/Neutral position
|
| PB |
Pin assignments
|
| PBS |
Parts Bulletin System
|
| PDC |
Park Distance Control
|
| PGS |
Passive Go System
|
| PM |
Power Module
|
| PP |
Impact Pad
|
| PTC |
Positive Temperature Coefficient
|
| PWG |
Pedal position sensor/ potentiometer
|
| RA |
Repair instructions
|
| RAL |
Aluminum wheels
|
| RAL |
standard color
|
| RAM |
Random Access Memory
|
| RDC |
tire pressure Control
|
| RDS |
Radio Data-broadcast System
|
| RDW |
tire pressure Warning
|
| RHD |
Right-Hand Drive
|
| RLS |
Rain-Light Sensor
|
| RM |
Relay Module
|
| ROZ |
Research Octane rating/ fuel grade
|
| RPA |
tire puncture warning
|
| RPS |
Rollover Protection System
|
| RS |
Repair kit
|
| RSW |
back-up lamp
|
| RXD |
wake-up Diagnosis line
|
| RZV |
direct stationary ignition
|
| SASL |
Satellite, A-pillar left
|
| SASR |
Satellite, A-pillar right
|
| SAV |
Sport ACTIVITY Vehicle
|
| SB |
fuse assignments
|
| SBE |
Seat occupancy detector/sensor
|
| SBFH |
Seat module, passenger-side rear
|
| SBSL |
Satellite, B-pillar left
|
| SBSR |
Satellite, B-pillar right
|
| SBT |
SI techniques/ tech reference information
|
| SCA |
Soft Close Automatic/Actuator
|
| SD |
silencer/ muffler
|
| SD |
sliding roof
|
| SE |
Special Equipment
|
| SES |
voice recognition System
|
| SFAH |
Seat module, driver's side rear
|
| SFZ |
Satellite, vehicle center
|
| SG |
control unit
|
| SGS |
Seat integrated belt System
|
| SHD |
Sunroof module (also SHDM)
|
| SHD |
sliding/ lifting roof
|
| SI |
Service Information
|
| SIA |
Service Interval system (ver. I, II, III, IV, etc.)
|
| SII |
Service Interval Indicator
|
| SIL |
SILicon
|
| SIM |
Safety Information Module
|
| SINE |
Siren/tilt sensor
|
| SKD |
Steel sliding roof
|
| SKHD |
Steel sliding/ lifting roof
|
| SM |
Seat Module
|
| SM/SPM |
Seat/Mirror Memory
|
| SMBF |
Seat Module, passenger side
|
| SMFA |
Seat Module, driver's side
|
| SMG |
Sequential Manual Gearbox
|
| SP |
Schematic
|
| SRA |
headlight/fog light cleaning
|
| SRS |
Supplementary Restraint System
|
| SSD |
Steel sliding roof
|
| SSH |
Seat Satellite, rear seat
|
| ST |
connector views
|
| STVL |
Satellite, left front door
|
| STVR |
Satellite, right front door
|
| SVS |
Speech processing System
|
| SWR |
headlamp cleaning system
|
| SWZ |
Special tool listings
|
| SZL |
Switch center, steering column
|
| SZM |
central switch center Module
|
| Steptronic |
transmission shift control
|
| TAGE |
door handle Electronics
|
| TCM |
Transmission Control Module
|
| TD |
Technical Data
|
| TD |
engine speed signal (ignition pulse)
|
| TE |
fuel evaporation control
|
| TEL |
TELephone control unit
|
| TEV |
evaporative purge control
|
| THZ |
Tandem master cylinder
|
| TIS |
Technical Information System
|
| TL |
part throttle / load signal
|
| TLEV |
Transitional Low Emission Vehicle
|
| TMBFT |
door Module, passenger side
|
| TMBFTH |
door Module, passenger side rear
|
| TMFAT |
door Module, driver's side
|
| TMFATH |
door Module, driver's side rear
|
| TP |
Tandem Pump
|
| TPS |
Throttle Position Switch/Sensor
|
| TR |
TRansistor
|
| TR |
engine speed signal (rpm)
|
| TRG |
fuel level sensor
|
| TRI |
Technical Reference Information (also SBT)
|
| TRS |
battery isolation Switch
|
| TSD |
Torsional vibration dampener
|
| TSH |
door lock Heating
|
| TSZI |
Transistorized coil Ignition system
|
| TU |
Technical Update (as in M50tu)
|
| TXD |
Transmitting Diagnosis line
|
| U-batt |
Battery voltage
|
| U-vers |
supply voltage
|
| UERSS |
rollover bar
|
| URS |
rollover protection System
|
| USIS |
Ultrasonic passenger compartment Sensor
|
| V - |
front (Vorn)
|
| V - |
vehicle road speed
|
| VA |
front Axle
|
| VANOS |
Variable camshaft timing
|
| VAT |
front axle support
|
| VEP |
distributor-type injection Pump
|
| VID |
VIDeo module
|
| VL |
full load (wide open throttle)
|
| VSD |
front muffler
|
| VVT |
Valve tronic
|
| WBG |
hazard warning switch
|
| WIM |
Wiper control Module
|
| WK |
torque converter lock-up clutch
|
| WSS |
Wind Shield
|
| WT |
Valve tronic control unit
|
| Z - |
central (Zentrum)
|
| ZAB |
ignition fade-out (reduction)
|
| ZAE |
central Airbag Electronics
|
| ZAS |
ignition starter switch
|
| ZGM |
central Gateway Module
|
| ZK |
cylinder head
|
| ZKE |
central body Electronics
|
| ZKH |
cylinder head cover
|
| ZMS |
dual-Mass flywheel
|
| ZS |
central lock
|
| ZSD |
center muffler
|
| ZV |
central locking system
|
| ZV |
central locking system
|
| ZVM |
central locking Module
|
| ZWD |
idle control valve
|
| n-ab |
rotational speed, transmission (rpm)
|
| n-mot |
rotational speed, engine (rpm)
|
| ti - |
Injector "on" Time (duration)
|