For 1990-2009 cars

Abbreviation | Meaning
--- | ---
A
A | Ampere(s)
ABS | Antilock Brake System
A/C | Air Conditioning
AC | Alternating Current
ACL | Air Cleaner
A/D | Analog to Digital
A/F | Air/Fuel Ratio
AM/FM | Amplitude Modulation/Frequency Modulation
AMR | Anisotropic Magneto Resistive
Ant | Antenna
APP | Accelerator Pedal Position
ASM | Assembly
A/T | Automatic Transmission
ATDC | After Top Dead Center
Auto | Automatic
avg | Average
B
B+ | Battery Positive Voltage
BARO | Barometric Pressure
BATT | Battery
BBV | Brake Booster Vacuum
BCM | Body Control Module
BEC | Body Electrical Centre
BHP | Brake Horsepower
BLK | Black
BLU | Blue
BP | Back Pressure
BPMV | Brake Pressure Modulator Valve
BPP | Brake Pedal Position
BRN | Brown
BTDC | Before Top Dead Center
C
°C | Degrees Celsius
Cam | Camshaft
CCDIC | Climate Control Driver Information Centre
cm³ | Cubic Centimeters
CD | Compact Disc
cfm | Cubic Feet per Minute
cg | Center of Gravity
CKP | Crankshaft Position
CL | Closed Loop
CMP | Camshaft Position
CO | Carbon Monoxide
CO² | Carbon Dioxide
Coax | Coaxial
COMM | Communication
Conn | Connector
CPA | Connector Position Assurance
CPP | Clutch Pedal Position
CPU | Central Processing Unit
cu ft | Cubic Foot/Feet
cu in | Cubic Inch/Inches
CV | Constant Velocity Joint
Cyl | Cylinder(s)
D
dB | Decibels
dBA | Decibels on A-weighted Scale
DC | Direct Current, Duty Cycle
dia | Diameter
DIC | Driver Information Center
Diff | Differential
DIM | Dash Integrated Module
DK | Dark
DLC | Data Link Connector
DMM | Digital Multimeter
DOHC | Dual Overhead Camshafts
DR, Drvr | Driver
DRL | Daytime Running Lamps
DSC | Driver Shift Control
DTC | Diagnostic Trouble Code
E
EBCM | Electronic Brake Control Module
EC | Engine Control
ECM | Engine Control Module, Electronic Control Module
ECS | Emission Control System
ECT | Engine Coolant Temperature
EEPROM | Electrically Erasable Programmable Read Only Memory
EGR | Exhaust Gas Recirculation
EI | Electronic Ignition
ELAP | Elapsed
ELC | Electronic Level Control
EMI | Electromagnetic Interference
Eng | Engine
EOP | Engine Oil Pressure
EOT | Engine Oil Temperature
EPA | Environmental Protection Agency
EPROM | Erasable Programmable Read Only Memory
ESC | Electronic Suspension Control
ESD | Electrostatic Discharge
EVAP | Evaporative Emission
F
°F | Degrees Fahrenheit
ft | Foot/Feet
FT | Fuel Trim
FWD | Front Wheel Drive, Forward
G
g | Grams, Gravitational Acceleration
gal | Gallon
GM | General Motors
GMLAN | General Motors Local Area Network
gnd | Ground
gpm | Gallons per Minute
GRN | Green
GRY | Grey
H
H | Hydrogen
H²O | Water
HC | Hydrocarbons
hex | Hexagon, Hexadecimal
HSD2 | High Side Driver 2
HO²S | Heated Oxygen Sensor
hp | Horsepower
HSPO | Holden Spare Parts Operations
HVAC | Heater-Ventilation-Air Conditioning
Hz | Hertz
I
IAC | Idle Air Control
IAT | Intake Air Temperature
IC | Integrated Circuit, Ignition Control
ICM | Ignition Control Module
ID | Identification, Inside Diameter
ign | Ignition
IMS | Internal Mode Switch
in | Inch/Inches
inst | Instantaneous, Instant
IP | Instrument Panel
IPC | Instrument Panel Cluster
ISO | International Standards Organization
ISOVIN | International Standards Organization Vehicle Identification Number
ISS | Input Shaft Speed
K
KAM | Keep Alive Memory
kg | Kilogram
kHz | Kilohertz
km | Kilometer
km/h | Kilometers per Hour
km/l | Kilometers per Liter
kPa | Kilopascals
KS | Knock Sensor
kV | Kilovolts
L
L | Litre
lb | Pound
lb ft | Pound Feet Torque
lb in | Pound Inch Torque
LCD | Liquid Crystal Display
LED | Light Emitting Diode
LF | Left Front
LR | Left Rear
M
MAF | Mass Air Flow
Man | Manual
MAP | Manifold Absolute Pressure
max | Maximum
mi | Miles
MIL | Malfunction Indicator Lamp
min | Minimum
mL | Milliliter
mm | Millimeter
mpg | Miles per Gallon
mph | Miles per Hour
ms | Millisecond
M/T | Manual Transmission
MV | Megavolt
mV | Millivolt
N
NC | Normally Closed
NEG | Negative
Neu | Neutral
N·m | Newton-meter Torque
NO | Normally Open
NOx | Oxides of Nitrogen
NOVRAM | Non-Volatile Random Access Memory
O
O² | Oxygen
O²S | Oxygen Sensor
OBD | On-Board Diagnostics
OBD II | On-Board Diagnostics Second Generation
OCC | Occupant Climate Control
OD | Outside Diameter
ODO | Odometer
OE | Original Equipment
OEM | Original Equipment Manufacturer
OHC | Overhead Camshaft
Ω | Ohm
ORN | Orange
ORVR | On-Board Refueling Vapor Recovery
OSS | Output Shaft Speed
oz | Ounce(s)
P
PAG | Polyalkylene Glycol
PASS, PSGR | Passenger
PC | Pressure Control
PCB | Printed Circuit Board
PCS | Pressure Control Solenoid
PCV | Positive Crankcase Ventilation
PM | Permanent Magnet
PNK | Pink
PNP | Park/Neutral Position
PRNDL | Park, Reverse, Neutral, Drive, Low
POS | Positive, Position
PPL | Purple
ppm | Parts per Million
PSP | Power Steering Pressure
psi | Pounds per Square Inch
psig | Pounds per Square Inch Gauge
pt | Pint
PTC | Positive Temperature Coefficient
PWCM | Power Window Control Module
PWM | Pulse Width Modulated
Q
qt | Quart(s)
R
R-134a | Refrigerant-134a
RAM | Random Access Memory, Non-permanent memory device, memory contents are lost when power is removed.
RAP | Retained Accessory Power
Ref | Reference
Rev | Reverse
RF | Right Front, Radio Frequency
RFA | Remote Function Actuation
RH | Right Hand
ROM | Read Only Memory, Permanent memory device, memory contents are retained when power is removed.
RPM | Revolutions per Minute Engine Speed
RPO | Regular Production Option
RR | Right Rear
RT | Right
RTV | Room Temperature Vulcanizing Sealer
RWD | Rear Wheel Drive
S
s | Second(s)
SAE | Society of Automotive Engineers
SDM | Sensing and Diagnostic Module
SEO | Special Equipment Option
SFI | Sequential Fuel Injection
SIC | Secondary Information Centre
SOC | State of Charge
SPS | Service Programming System
sq ft, ft² | Square Foot/Feet
sq in, in² | Square Inch/Inches
SIR | Supplemental Restraint System
SS | Shift Solenoid
sync | Synchronize
T
TAC | Throttle Actuator Control
Tacho | Tachometer
TCC | Torque Converter Clutch
TCS | Traction Control System
TDC | Top Dead Center
TEMP | Temperature
TFP | Transmission Fluid Pressure
TFT | Transmission Fluid Temperature
TP | Throttle Position
TPA | Terminal Positive Assurance
TPMS | Tyre Pressure Monitoring System
TR | Transmission Range
TRANS | Transmission
TXV | Thermal Expansion Valve
U
UBEC | Underhood Body Electrical Centre
U-joint | Universal Joint
UV | Ultraviolet
V
V | Volt(s), Voltage
V6 | Six-Cylinder Engine, V-Type
V8 | Eight-Cylinder Engine, V-Type
Vac | Vacuum
VF | Vacuum Fluorescent
VIO | Violet
VIN | Vehicle Identification Number
V ref | Voltage Reference
VSES | Vehicle Stability Enhancement System
VSS | Vehicle Speed Sensor
W
w/ | With
WHT | White
w/o | Without
WOT | Wide Open Throttle
WSS | Wheel Speed Sensor
Y
yd | Yard(s)
YEL | Yellow