Acronyms Used

Acronym/Abbrev./
Symbol Definition
4MATIC Automatically controlled four-wheel drive
A/C (Automatic) Air Conditioning (Automatic)
A/C (Tempmatic) Air Conditioning (Tempmatic)
AB AirBag
ABS Anti-lock Brake System
ACSR Automatic Child Seat Recognition
ADM Automatic Dimming inside rearview Mirror
ADS Adaptive Damping System
AIR Secondary AIR injection
ALR Automatic Lane Recognition
AP Accelerator Pedal
AS Antenna Systems
ASD Automatic locking differential
ASR Acceleration Slip Regulation
AT AutomaticTransmission
ATA Anti-Theft Alarm
B + Generator output voltage, hot when engine is running
BA Backup Assist
BARO BAROmetric pressure
BAS Brake ASsist
BCAPC Barometric pressure-Charge Air Pressure Compensation
BDC Bottom Dead Center
BF Front passenger
BK BLacK
BLS Brake Lamp Switch
BLS(NC) Brake Lamp Signal (normally closed switch)
BLS (NO) Brake Lamp Signal (normally open switch)
BM Base Module
BN BrowN
BPC Barometric Pressure Compensation
BU BlUe
CA Closing Assist
CAN Controller Area Network
CAN H Engine CAN-Bus High signal
CAN IH Interior CAN-Bus High signal
CAN IL Interior CAN-Bus Lowsignal
CAN L Engine CAN-Bus Lowsignal
CC Cruise Control
CCM Combination Control Module
CCS Climate Sontrolled Seat
CDC CD Changer
CF Convenience Feature
CFI Continuous Fuel Injection system (electronic)
CKA CranK Angle
CKP CranKshaft Position
CL Central Locking
CLUS Instrument CLUSter
CMP CaMshaft Position
CST Cabriolet Soft Top
CTEL CellularTELephone
CTP Closed Throttle Position (idle)
D + Generator 'running' signal (same as 61)
DAS Drive Authorization System
DFA Speed signal output
DFAHL Left rear VSS output
DFAVL Left front VSS output
DFHL Left rear VSS sensor
DFHR Right rear VSS output
DFVL Left front VSS output
DFVR Right front VSS output
DI Distributor Ignition system
DIAG DIAGnostic connection
DIAGN DIAGNostic connection
DM Diagnostic Module
DSV Drive authorization System shut-off Valve
DTC Diagnostic Trouble Code
EA Electronic Accelerator
EBR Engine Braking Regulation
ECL Engine Coolant Level
ECT Engine Coolant Temperature
EDC Electronic Diesel Control
EDR Electronic Diesel Regulation
EDS Electronic Diesel System
EGR Exhaust Gas Recirculation
EIFI Electric In-line Fuel Injection
EMSC Electric Mirror, Steering Column adjustment, heated mirrors
EPC Electronic Powertrain Control
ESA Electric Seat Adjustment
ESC Electric Steering Column adjustment
ESCM Engine Systems Control Module
ESP Electronic Stability Program
ETC Electronic Transmission Control
ETR Emergency Tensioning Retractor
ETS Electronic Traction System
EVAP EVAPorative emission control system
FA Driver
FAN FANfare horns
FFS Frame Floor System
FP Fuel Pump
FSA+ Hands-free speaker plus
FSA- Hands-free speaker minus
GD GolD
GES Vehicle speed signal (VSS)
GIM Governor Impulse Method
GN GreeN
GS Seat belt ETR
GY GreY
HCS Headlamp Cleaning System
HFM-SFI HFM Sequential multiport Fuel Injection/ignition system
HFS Hands Free System
HHT Hand-Held Tester
HORN HORN signal system
HS Heated Seats
IAT Intake Air Temperature
IC Instrument Cluster
IDC In-Dash Controller
IFI Electronic In-line Fuel Injection (Diesel)
IND INDicator
INTERV Intermittent wipe
INFO INFOrmation center
IPS Actual value potentiometer signal
IR InfraRed
IRCL Infrared Remote Central Locking
ISC Idle Speed Control
IV Input Valve
KS Knock Sensor
KSK Control contact
KSS Knock Sensor System
KU+ Clutch +
KU- Clutch -
LA Lamp output (preglow relay)
LEDG Green feedback LED
LEDR Red feedback LED
LF Left Front
LHS LeftHand Steering
LH-SFI LH-Sequential multiport Fuel Injection system
LS Loudspeaker System
LSK Idle speed safety contact
M + Motor +
M - Motor -
MAF Mass Air Flow
MAP Manifold Absolute Pressure
MB-ISO Diagnostic connector
ME-SFI ME Sequential multiport Fuel Injection/ignition system
MIL Malfunction Indicator Lamp
MOT Motor
MSC Mirror, Steering Column adjustment, heated mirrors
MSK Open throttle safety contact
MT Manual Transmission
MUTE Radio MUTE signal
MVA Manifold Vacuum Assist
N Neutral position
O2S Oxygen(02) Sensor
OBD On-Board Diagnostics
OC Oxidation Catalytic converter
OG OranGe
OSB Orthopedic Seat Backrest
OV Output Valve
P Park position
P+ Potentiometer + reference
P- Potentiometer -reference
PA Parking Assist
PARK SW. PARKing brake SWitch
PK PinK
PL Power Locking
PMP Partial intake Manifold Preheater
PNP Park/Neutral Position
POS POSition
PS Power Steering
PSE Pneumatic System Equipment
PTS ParkTronic System
PWM Pulse Width Modulation
R50 Starter solenoid signal (after starter lockout switch)
RB Roll Bar
RCL Remote Central Locking
RD RaDio
RD ReD
REST Residual engine heaT utilization
RF Right Front
RFCL Radio Frequency Central Locking
RH Retractable Hardtop
RHR Retractable rear Head Restraints
RHS Rear Heated Seats
RPM Revolutions Per Minute (engine speed)
RR Right Rear
RST Roadster Soft Top
RTG Retractable Trunk lid Grip
RTN ReTurN line
RTR Remote Trunk Release
RX Receive
S Shield (unspecified)
S+B Set-Accelerate
S-B Set- Decelerate
SBE Seat Belt Extender
SLO Starter Lock-Out
SMS Service Microfiche System
SN1 Unlocking signal
SN2 Locking signal
SOV SwitchOver Valve
SPS Speed-sensitive Power Steering
SR SilveR
SR Sliding/pop-up sun Roof
SRS Supplemental Restraint System
SS Speed Sensor
SW SWitch
T Temperature input (preglow relay)
TAF Trunk lid Auxiliary Fuse
TAV Tank Aeration Valve
TB Throttle Body
TC TurboCharger
TCM Transmission Control Module
TD Speed signal (Time Division)
TDC Top Dead Center
TELE TELEscoping
TIC Transistorized Ignition System
TK Door contact
TN Engine RPM signal (unmodified)
TN Speed signal (EZL/AKR)
TNA Engine RPM signal (re-formed)
TPC Tire Pressure Control
TPM Tire Pressure Monitoring
TQ TurQuoise
TRAP TRAPoxidizer
TRIP TRIP computer
TS Towing Sensor
TRU Transmit-Receive Unit
TVV Tank Vent Valve
TWC Three Way Catalytic converter
TX Transmit
ULLKS Idle speed contact (+ side)
USK Safety contact +
VAF Volume Air Flow
VL Left front
VR Right front
VSS Vehicle Speed Signal
VT VioleT
WA Memory recall (resume)
WH WHite
WOT Wide Open Throttle (full load)
YE YEllow
- Minus
+ Plus
12VDC Battery voltage or regulator voltage when engine is running
15 Swtiched battery power, hot in positions 2 & 3
15C Switched battery voltage, hot until key is removed
15DIA
15g Switched battery voltage, fused
15R Switched battery voltage, hot in positions 1, 2 & 3
15u Switched battery voltage, unfused
15X Switched battery voltage, hot in position 2
15Z Switched battery voltage, hot in positions 2 & 3
30 Unswitched battery power
30a Unswitched battery voltage
30A Unswitched battery voltage, 'A' side
30B Unswitched battery voltage, 'B' side
30E Unswitched battery voltage, for electronics
30Z Switched battery voltage, hot in positions 2 & 3
31 Ground
31e Ground for electronics
49 Flasher signal
49a Pulsed flasher signal
50 Starter solenoid signal
53 Wiper speed low
53b Wiper speed high
54 Brake light signal
54 Brake lamp circuit
56 Tail/parking lamp circuit
56a High beam circuit
56b Low beam circuit
58 General lighting circuit
58d Instrument illumination
58k Instrument illumination, unprocessed
61 Generator 'running' signal
61e Generator 'running' signal
81 Reverse gear signal
81a Reverse gear signal (after transmission switch)
85 Relay control signal
85EDC IFI relay control
85EDC Relay control signal, Electronic Diesel Control
85F Horn relay control
85LP Air pump relay control
86 Relay control signal
86KP Fuel pump relay control
87 Relay output (unspecified)
87ABS Power supply for ABS
87EGAS EA voltage supply
87GES Voltage supply fused
87KP Fuel pump voltage supply
87LP Air pump voltage supply
87MOTR ME-SFI voltage supply
87SA Power supply for optional equipment
87UG Relay output, unfused
87Z Relay output, fused
-4 -> Indicates number of wires connected to the appropriate terminal block or connector sleeve
* Asterisk marks connector sleeve with not all wires shown