Dưới đây là bảng tổng hợp các chữ viết tắt đầy đủ nhất trong ngành Ô tô, đã được chứng thực bởi ASE. Phục vụ cho mục đích tìm hiểu, nghiên cứu về Kỹ thuật ô tô và đáp ứng yêu cầu cho các kỹ thuật viên ô tô.
A
A – Amperes
ABS – Anti-Lock Brakes
ABRS – Air Bag Restraint System
AC – Alternating Current
A/C – Air Conditioning
ACCS – A/C Cycling Switch
ACCUM – Accumulator
ACCY – Accessory
ACT – Air Charge Temperature Sensor
ADJ – Adjust or Adjustable
ADV – Advance
AFS – Airflow Sensor
A/F – Air/Fuel Ratio
AI – Air Injection
AIR or A.I.R. – Air Injection Reactor
AIS – Air Injection System
Alt. – Alternator or Altitude
ALDL – Assembly Line Data Link
Amp – /amp/amps: Ampere
APS – Absolute Pressure Sensor
ASCS – Air Suction Control Solenoid
ASD – Auto Shutdown
ASDM – Air Bag System Diagnostic Module
ASV – Air Suction Valve
A/T – Automatic Transmission/Transaxle
ATC – Automatic Temperature Control
ATDC – After Top Dead Center
ATF – Automatic Transmission Fluid
ATS – Air Temperature Sensor
AWD – All Wheel Drive
Aux. – Auxiliary
Avg. – Average
AXOD – Automatic Transaxle Overdrive (Ford Models Only)
B
B+ – Battery Positive Voltage
BAC – By-Pass Air Control
BAP – Barometric Absolute Pressure Sensor
BARO – Barometric
Batt. – Battery
Bbl. – Barrel (Example: 4-Bbl.)
BCM – Body Control Module
BHP – Brake Horsepower
BMAP – Barometric and Manifold Absolute Pressure Sensor
BOO – Brake On-Off Switch
B/P – Backpressure
BPS – Barometric Pressure Sensor
BPT – Backpressure Transducer
BTDC – Before Top Dead Center
BTU – British Thermal Unit
BVSV – Bimetallic Vacuum Switching Valve
C
C – Celsius (Degrees)
Calif. – California
CAN – Controller Area Network
CANP – Canister Purge
CAS – Crank Angle Sensor
CARB – California Air Resources Board
CAT – Catalytic Converter
CB – Circuit Breaker
CBD – Closed Bowl Distributor
CC – cubic centimeter
CCC – Computer Command Control
CCD – Computer Controlled Dwell
CCOT – Cycling Clutch Orifice Tube
CCW – Counterclockwise
CDI – Capacitor Discharge Ignition
CEC – Computerized Engine Control
CID – Cubic Inch Displacement
CM – Centimeter
CMP – Camshaft Position Sensor
CO – Carbon Monoxide
CO2 – Carbon Dioxide
Cont. – Continued
CONV – Convertible
CP – Canister Purge
CKP – Crankshaft Position Sensor
COP – Coil On Plug Ignition
CPI – Central Port Injection
CPU – Central Processing Unit
CSSA – Cold Start Spark Advance
CSSH – Cold Start Spark Hold
CTS – Coolant Temperature Sensor
CTVS – Choke Thermal Vacuum Switch
Cu. In. – Cubic Inch
CVC – Constant Vacuum Control
CVR – Control Vacuum Regulator
CV – Check Valve or Constant Velocity
CW – Clockwise
CYL or Cyl. – Cylinder
C3I – Computer Controlled Coil Ignition
C4 – Computer Controlled Catalytic Converter
D
D – Drive
dB – Decibels
DC – Direct Current Or Discharge
DDD – Dual Diaphragm Distributor
Def. – Defrost
Defog. – Defogger
DEFI – Digital Electronic Fuel Injection
DERM – Diagnostic Energy Reserve Module
DFI – Digital Fuel Injection
DFS – Deceleration Fuel Shutoff
Diag. – Diagnostic
DIC – Driver Information Center
DIS – Distributorless Ignition System
DIST – Distribution
DLC – Data Link Connector
DMM – Digital Multi Meter
DOHC – Double Overhead Cam
DTC – Diagnostic Trouble Code
DOT – Department of Transportation
DRB-II – Diagnostic Readout Box
DVOM – Digital Volt-Ohmmeter
E
E2PROM – Electrically Erasable Programmable Read Only Memory
EACV – Electronic Air Control Valve
EBCM – Electronic Brake Control Module
EBL – Electronic Back Light
EBM – Electronic Body Module
ECA – Electronic Control Assembly
ECM – Engine Control Module (sometimes referred to as PCM powertrain control module)
ECT – Engine Coolant Temperature
ECU – Electronic Control Unit
EDIS – Electronic Distributorless Ignition System
EEC – Electronic Engine Control
EECS – Evaporative Emission Control System
EEPROM – Electronically Erasable Programmable Read Only Memory
E2PROM – Electronically Erasable Programmable Read Only Memory
EFC – Electronic Fuel Control
EFCA – Electronic Fuel Control Assembly
EFE – Early Fuel Evaporation
EFI – Electronic Fuel Injection
EGO – Exhaust Gas Oxygen Sensor
EGR – Exhaust Gas Recirculation
EGRPS – EGR Valve Position Sensor
EGRT – EGR Temperature
EI – Electronic Ignition
EMI – Electromagnetic Interference
EMR – Electronic Module Retard
EOS – Exhaust Oxygen Sensor
EOBD – European Onboard Diagnostics
EPOS – EGR Valve Position Sensor
EPROM – Erasable Programmable Read Only Memory (chip)
ESA – Electronic Spark Advance
ESC – Electronic Spark Control
EST – Electronic Spark Timing
ETC – Electronic Throttle Control
EVAP – Evaporative Emission System
EVIC – Electronic Vehicle Information Center
EVP – EGR Valve Position
Exc. – Except
F
F – Fahrenheit
F/B – Fuse Block
FBC – Feedback Carburetor System
FBCA – Feedback Carburetor Actuator
FCS – Fuel Control Solenoid
Fed – Federal
FDC – Fuel Deceleration Valve
FI – Fuel Injection
FIPL – Fuel Injector Pump Lever
FPR-VSV – Fuel Pressure Regulator Vacuum Switching Valve
FLS – Fluid Level Sensor
ft.lb. – Foot Pound
FWD – Front-Wheel Drive
G
G – Grams
GALS – Gallon
GDI – Gasoline Direct Injection
GEN – Generator
GND or GRND – Ground
GPEC – Global Powertrain Engine Controller
GPM – Grams Per Mile
GPS – Global Positioning System
GVW – Gross Vehicle Weight
H
H20 – Water
HAC – High Altitude Compensation
HC – Hydrocarbons
H/D – Heavy Duty
HEGO – Heated Exhaust Gas Oxygen Sensor
HEI – High Energy Ignition
Hg – Mercury
HGT – Height
HLDT – Headlight
HO – High Output
HO2S – Heated Oxygen Sensor
HP – High Performance or Horsepower
HSC – High Swirl Combustion
HSO – High Specific Output
HT – High Tension
HTR – Heater
Hz – Hertz(Cycles Per Second)
I
IACV – Idle Air Control Valve
IAT – Intake Air Temperature
IATS – Intake Air Temperature Sensor
IC – Integrated Circuit
ICM – Ignition Control Module
ICS – Idle Control Solenoid
I.D. – Inside Diameter
ID – Identification
IFI – Indirect Fuel Injection
IGN – Ignition
In. – Inches
Inch Lbs. – Inch Pounds
in. Hg – Inches of Mercury
Inj. – Injector
IMRC – Intake Manifold Runner Control
IP – Instrument Panel
ISC – Idle Speed Control
ISO – International Standards Organization
ITCS – Ignition Timing Control System
ITS – Idle Tracking Switch
IVSV – Idle Vacuum Switching Valve
J
JAS – Jet Air System
J/B – Junction Block
JTEC – Jeep Truck Engine Controller
K
KAPWR – Keep Alive Power
k/ohms – kilo-ohms (1000 ohms)
kg – kilograms (weight)
kg/cm – Kilograms Per Square Centimeter
kHz – Kilohertz
Km – Kilometers
KM/H – Kilometers Per Hour
KOEC – Key On, Engine Cranking
KOEO – Key On, Engine Off
KOER – Key On, Engine Running
kPa – Kilopascals
KS – Knock Sensor
kV – Kilovolt
kW – Kilowatt
L
L – Liter
lbs. – Pounds
lb./ft. – Pound Feet
LCD – Liquid Crystal Display
L/D – Light Duty
LED – Light Emitting Diode
LHD – Left-Hand Drive
LTFT – Long Term Fuel Trim
LWB – Long Wheel-Base
M
mA – Milliamps
MA/MAF – Mass Air Flow
MAFS – Mass Air Flow Sensor
MAP – Manifold Absolute Pressure
MAT – Manifold Air Temperature
MCS – Mixture Control Solenoid
MCT – Manifold Charge Temperature
Mem. – Memory
MEM/CAL – Memory Calibration Chip
mfd. – Microfarads
MFI – Multiport Fuel Injection
MIL – Malfunction Indicator Light
mm – Millimeters
MPG – Miles Per Gallon
MPH – Miles Per Hour
MPI – Multi-Point (Fuel) Injection
MPV – Multi-Purpose Vehicle
ms – Millisecond
mV – Millivolts
N
NA – Not Available
NGC – New Generation Controller
NGS – New Generation Star
N.m – Newton Meter
No. – Number
Nos. – Numbers
NOx – Oxides of Nitrogen
NVRAM – Nonvolatile Random Access Memory
O
O2 – Oxygen
O2S – Oxygen Sensor
OBD – On-board Diagnostics
OBD I – On-board Diagnostics One
OBD II – On-board Diagnostics Two
OBD III – On-board Diagnostics Three
OC – Oxidation Catalyst
OD – Overdrive
O.D. – Outside Diameter
OE – Original Equipment
OEM – Original Equipment Manufacturer
OHC – Over Head Camshaft
OHV – Over Head Valve
O/S – Oversize
OS – Oxygen Sensor
oz. – Ounce
ozs. – Ounces
P
P – Park
P/B – Power Bakes
P/C – Printed Circuit
P/N – Part Number
PA – Pressure Air
PAIR – Pulsed Secondary Air Injection
PAS – Power-Assisted Steering
PCM – Powertrain Control Module (sometimes referred to as ECM engine control module)
PCS/PC/SOL – Purge Control Solenoid
PCV – Positive Crankcase Ventilation
PECV – Power Enrichment Control Valve
PFI – Port Fuel Injection
PGM-FI – Programmed Fuel Injection
PID – Parameter Identification
PIP – Profile ignition pick-up
PNP – Park Neutral Position Switch
P/N – Park/Neutral
PPM – Parts Per Million
PRNDL – Park Reverse Neutral Drive Low
PROM – Program Read Only Memory (chip)
P/S – Power Steering
PSI – Pounds Per Square Inch
PSP – Power Steering Pressure
PSPS – Power Steering Pressure Switch
pts. – Pints
PTC – Pending Trouble Code
PTC – Positive temperature coefficient Additional : This is applied to the way the resistance of a thermistor varies with temperature. In this case, the resistance will increase as the temperature raises
PTO – Power Take-Off
Pwr. – Power
PWR – Power to Weight Ratio
Q
Qts. – Quarts
R
R/A – Resume or Accelerate
RABS – Rear Anti-lock Brake System
RAC – Remote Accessory Controller
RAM – Random Access Memory
RAM – Ride Air Module
RAM – Remote Anti-theft Module
RAP – Retained Access Power
RAV – Remote Activation Verification
RBC – Rotary Blade Coupling
RCC – Rear Climate Control
RCC – Remote Climate Control
RCM – Restraint Control Module
RCDLR – Remote Control Door Lock Receiver
RDCM – Right Door Control Module
RDM – Rear Door Module
RDS – Radio (broadcast) Data System
RDS – Radio Display System
REC – Receive
RECAL – Recalibrate, Recalibration
RECIRC – Recirculation
RECIS – Remote Entry Control and Immobilizer System
REDOX – Reduction Oxidation Catalytic Converter
REEGR – Rotary Electric EGR
REF – Reference
RESC – Remote Emergency Satellite Unit
REX – Rear Exchanger
RF – Radio Frequency
RF – Right Front
RFA – Remote Function Actuator
RFF – Roller Finger Followers
RFI – Radio Frequency Interference
RFID – Radio Frequency Identification
RFWS – Right Front Wheel Speed
RH – Right Hand
RIM – Radio Interface Module
RIM – Rear Integration Module
RKE – Remote Keyless Entry
Rly – Relay
RM – Relay Module
RMD – Right Mid Door
ROM – Read Only Memory
RPA – Rear Parking Assist
RPM – Revolutions Per Minute
RPM – Remote Power Module
RPO – Regular Production Option
R&R – Remove and Replace
RR – Right Rear
RRD – Right Rear Door
RSA – Rear Seat Audio
RSC – Roll Stability Control
RSS – Reverse Sensing System
RSS – Road Sensing Suspension
R/T – Road/Track
RT – Right
RTC – Real?Time Clock
RTD – Real Time Dampening
RTN – Return
RTT – Reconfigurable Telltale
RTTP – Rotunda Technician Tool Program
RTV – Room Temperature Vulcanizing
RV – Recreational Vehicle
RVAC – Rear Video/Audi/HVAC Module
RVP – Reid Vapor Pressure
RWAL – Rear Wheel Anti-lock
RWD – Rear Wheel Drive
RWS – Rear Wheel Steer
S
SBC – Single Bed Converter
SBD – Strategy Base Diagnostics
SBEC – Single Board Engine Controller
SC – Supercharged
SEFI – Sequential Electronic Fuel Injection
SES – Service Engine Soon (light)
SFI – Sequential (Port) Fuel Injection
SIL – Shift Indicator Light
SIR – Supplemental Inflatable Restraint
SIPS – Side Impact Protection System
SOHC – Single Overhead Cam
SPFI – Sequential Port Fuel Injection
SPOUT – Spark Output
SPK – Spark Control
SOL/Sol. – Solenoid
SRI – Service Reminder Indicator
SRS – Secondary Restraint System
SRS – Supplemental Restraint System (air bag)
SRT – System Readiness Test
SS – Speed Sensor
SSI – Solid State Ignition
STAR – Self-Test Automatic Readout
STFT – Short Term Fuel Trim
STO – Self-Test Output
SUB-O2 – Sub Oxygen Sensor
Sw. – Switch
SWB – Short Wheel-Base
Sys. – System
T
TAB – Thermactor Air By-Pass
TAD – Thermactor Air Diverter
TACH – Tachometer
TB – Throttle Body
TBI – Throttle Body Injection
TC – Turbocharged
TCC – Torque Converter Clutch
TCM – Transmission or Transaxle Control Module
TCS – Traction control solenoid (SAAB 9000)
TD – Turbo Diesel
TDC – Top Dead Center
TDI – Turbo Direct Injection (A turbo charged direct injected diesel engine)
Temp. – Temperature
TFI – Thick Film Ignition
THERMAC – Thermostatic Air Cleaner
TIV – Thermactor Idle Vacuum Valve
TKS – Throttle Kicker Solenoid
TPI – Tuned Port Injection
TPP – Throttle Position Potentiometer
TPS – Throttle Position Sensor/Switch
TPT – Throttle Position Transducer
TS – Temperature Sensor
TSP – Throttle Solenoid Positioner
TV – Throttle Valve
TV – Thermovalve
TVS – Thermal Vacuum Switch
TWC – Three Way Catalyst
TWC+OC – Three Way + Oxidation Catalytic Converter
V
V – Valve
Vac. – Vacuum
VAF – Vane Airflow
VAPS – Variable Assist Power Steering
VCC – Viscous Converter Clutch
VCRM – Variable Control Relay Module
VIN – Vehicle Identification Number
VM – Vacuum Modulator
VOLT. – Voltage
VOM – Volt-Ohmmeter (Analog)
VRV – Vacuum Regulator Valve
VSS – Vehicle Speed Sensor
VSV – Vacuum Switching Valve
VVC – Variable Valve Control
VVT – Variable Valve Timing
W
W/ – With
W/O – Without
WAC – Wide Open Throttle A/C Switch
WOT – Wide Open Throttle
