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

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