Abbreviations

Abbreviations

A

ABDC
After Bottom Dead Center
ABS
Anti-lock Brake System
AC
Alternating Current
A/C
Air Conditioning
A-ELR
Automatic-Emergency Locking Retractor
A/F
Air Fuel Mixture Ratio
ALR
Automatic Locking Retractor
API
American Petroleum Institute
APP sensor
Accelerator Pedal Position Sensor
A/T
Automatic Transmission, Automatic Transaxle
ATDC
After Top Dead Center
ATF
Automatic Transmission Fluid, Automatic Transaxle Fluid
B

B+
Battery Positive Voltage
BBDC
Before Bottom Dead Center
BCM
Body Electrical Control Module
BTDC
Before Top Dead Center
C

CAN
Controller Area Network
CKT
Circuit
CKP Sensor
Crankshaft Position Sensor
CMP Sensor
Camshaft Position Sensor
CO
Carbon Monoxide
CPP Switch
Clutch Pedal Position Switch (Clutch Switch, Clutch Start Switch)
CPU
Central Processing Unit
CRS
Child Restraint System
CVT
Continuously Variable Transmission, Continuously Variable Transaxle
D

DC
Direct Current
DLC
Data Link Connector (Assembly Line Diag. Link, ALDL, Serial Data Link, SDL)
DOHC
Double Over Head Camshaft
DOJ
Double Offset Joint
DRL
Daytime Running Light
DTC
Diagnostic Trouble Code (Diagnostic Code)
E

EBCM
Electronic Brake Control Module, ABS Control Module
EBD
Electronic Brake Force Distribution
ECM
Engine Control Module
ECT Sensor
Engine Coolant Temperature Sensor (Water Temp. Sensor, WTS)
EFE Heater
Early Fuel Evaporation Heater (Positive Temperature Coefficient, PTC Heater)
EGR
Exhaust Gas Recirculation
EGRT Sensor
EGR Temperature Sensor (Recirculated Exhaust Gas Temp. Sensor, REGTS)
EPS
Electronic Power Steering
ESP(R)
Electronic Stability Program
EVAP
Evaporative Emission
EVAP Canister
Evaporative Emission Canister (Charcoal Canister)
F

4WD
4 Wheel Drive
G

GEN
Generator
GND
Ground
GPS
Global Positioning System
H

HVAC
Heating, Ventilating and Air Conditioning
HC
Hydrocarbons
HO2S
Heated Oxygen Sensor
I

IAC Valve
Idle Air Control Valve (Idle Speed Control Solenoid Valve, ISC Solenoid Valve)
IAT Sensor
Intake Air Temperature Sensor (Air temperature Sensor, ATS)
ICM
Immobilizer Control Module
IG
Ignition
IMT
Intake Manifold Tuning
ISC Actuator
Idle Speed Control Actuator
ISO
International Organization for Standardization
J

JIS
Japanese Industrial Standards
L

LH
Left Hand
LSPV
Load Sensing Proportioning Valve
M

MAF Sensor
Mass Air Flow Sensor (Air Flow Sensor, AFS, Air Flow Meter, AFM)
MAP Sensor
Manifold Absolute Pressure Sensor (Pressure Sensor, PS)
Max
Maximum
MFI
Multiport Fuel Injection (Multipoint Fuel Injection)
Min
Minimum
MIL
Malfunction Indicator Lamp ("SERVICE ENGINE SOON" Light)
M/T
Manual Transmission, Manual Transaxle
N

NOx
Nitrogen Oxides
O

OBD
On-Board Diagnostic System (Self-Diagnosis Function)
OCM
Occupant Classification Module
O/D
Overdrive
OHC
Over Head Camshaft
O2S
Oxygen Sensor
P

PCM
Powertrain Control Module
PCV
Positive Crankcase Ventilation
PNP
Park / Neutral Position
P/S
Power Steering
PSP Switch
Power Steering Pressure Switch (P/S Pressure Switch)
R

RH
Right Hand
S

SAE
Society of Automotive Engineers
SDM
Sensing and Diagnostic Module (Air Bag Controller, Air bag Control Module)
SDT
Smart Diagnostic Tester
SFI
Sequential Multiport Fuel Injection
SOHC
Single Over Head Camshaft
T

TBI
Throttle Body Fuel Injection (Single-Point Fuel Injection, SPI)
TCC
Torque Converter Clutch
TCM
Transmission Control Module (A/T Controller, A/T Control Module)
TDC
Top Dead Center
TPMS
Tire Pressure Monitoring System
TP Sensor
Throttle Position Sensor
TVV
Thermal Vacuum Valve (Thermal Vacuum Switching Valve, TVSV, Bimetal Vacuum Switching Valve, BVSV)
TWC
Three Way Catalytic Converter (Three Way Catalyst)
2WD
2 Wheel Drive
U

USB
Universal Serial Bus
V

VIN
Vehicle Identification Number
VSS
Vehicle Speed Sensor
VVT
Variable Valve Timing (Camshaft Position Control)
W

WU-OC
Warm Up Oxidation Catalytic Converter
WU-TWC
Warm Up Three Way Catalytic Converter

NOTE:

ESP(R) is a registered trademark of Daimler AG.