EMC FLEX BLOG A site dedicated to Automotive EMC Testing for Electronic Modules

AUTOMOTIVE SPECS ABBREVIATIONS & ACRONYMS

31. March 2021 07:12 by Administrator in
A/C = Air ConditioningA/F = Air/Fuel RatioA/T = Automatic Transmission or TransaxleABS = Antilock Br

A/C = Air Conditioning
A/F = Air/Fuel Ratio
A/T = Automatic Transmission or Transaxle
ABS = Antilock Braking System
ABSV = Air Bypass Solenoid Valve
AC = Alternating Current
ACTS = Air Charge Temperature Sensor
AFC = Air Flow Control
AFM = Air Flow Meter
AFS = Air Flow Sensor
ALCL = Assembly Line Communications Link
ALDL = Assembly Line Data Link
APS = Absolute Pressure Sensor
APS = Atmospheric Pressure Sensor
ASDM = Airbag System Diagnostic Module
ATDC = After Top Dead Centre
ATF = Automatic Transmission Fluid
ATS = Air Temperature Sensor
AWD = All Wheel Drive

B+ = Battery Positive Voltage
BARO = Barometric Pressure
BAT = Battery
BCM = Body Control Module
BHP = Brake Horse Power
BMAP = Barometric/Manifold Absolute Pressure Sensor
BPS = Back pressure Sensor
BPT = Back Pressure Transducer
BTDC = Before Top Dead Centre
Btu = British Thermal Units

C = Celsius
C3I = Computer Controlled Coil Ignition
CALPAK = Calibration Pack
CAN = Controller Area Network
CANP = Canister Purge Solenoid Valve
CAS = Crank Angle Sensor
CC = Cubic Centimetres
CDI = Capacitor Discharge Ignition
CEAB = Cold Engine Air Bleed
CECU = Central Electronic Control Unit
CER = Cold Enrichment Rod
CESS = Cold Engine Sensor Switch
CFI = Central Fuel Injection
CFI = Continuous Fuel Injection
cfm = Cubic Feet Per Minute
CID = cylinder identification sensor
CID = Cubic Inch Displacement
CIS = Continuous Injection System
CKP = Crankshaft Position Sensor
CMP = Camshaft Position Sensor
CO = Carbon Monoxide

CO2 = Carbon Dioxide

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

CVR = Control Vacuum Regulator

dB = Decibels

DC = Direct Current

DEFI = Digital Electronic Fuel Injection

DFS = Deceleration Fuel Shutoff

DIS = Distributorless Ignition System

DIS = Direct Ignition System

DLC = Data Link Connector

DOHC = Double OverHead Camshaft

DTC = Diagnostic Trouble Code

DVOM = Digital Volt Ohm Meter

E2PROM = Electrically Erasable Programmable Read Only Memory

EACV = Electronic Air Control Valve

EBCM = Electronic Brake Control

Module EBM = Electronic Body Module

ECA = Electronic Control Assembly

ECM = Engine Control Module

ECT = Engine Coolant Temperature

ECU = Electronic Control Unit

EDIS = Electronic Distributorless Ignition System

EEPROM = Electronically Erasable Programmable Read Only Memory

E2PROM = Electronically Erasable Programmable Read Only Memory

EFC = Electronic Fuel Control

EFCA = Electronic Fuel Control Assembly

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)

ESC = Electronic Spark Control

EST = Electronic Spark Timing

EVAP = Evaporative Emission System

EVP = EGR Valve Position Sensor

F = Fahrenheit

FBC = Feedback Carburettor System

FBCA = Feedback Carburettor Actuator

FCS = Fuel Control Solenoid

FDC = Fuel Deceleration Valve

FI = Fuel Injection

FLS = Fluid Level Sensor

ft.lb. = Foot Pound

FWD = Front-Wheel Drive

gal = Gallon

GDI = Gasoline Direct Injection

GEN = Generator

GND = Ground

GPM = Grams Per Mile

GVW = Gross Vehicle Weight

H20 = Water HC = Hydrocarbon

HEGO = Heated Exhaust Gas Oxygen Sensor

HEI = High Energy Ignition

Hg = Mercury

HO2S = Heated Oxygen Sensor

hp = Horsepower

HT = High Tension

IAC = Idle Air Control

IAT = Intake Air Temperature

IATS = Intake Air Temperature Sensor

IC = Integrated Circuit

ICM = Ignition Control Module

ICS = Idle Control Solenoid

ID = Inside Diameter

IFI = Indirect Fuel Injection

IGN = Ignition

ISC = Idle Speed Control

ISO = International Standards Organization

ITCS = Ignition Timing Control System

ITS = Idle Tracking Switch

JAS = Jet Air System kHz = Kilohertz

Km = Kilometres

KOEC = "Key On, Engine Cranking"

KOEO = "Key On, Engine Off"

KOER = "Key On, Engine Running"

kPa = Kilopascals

KS = Knock Sensor

KV = Kilovolts

L = Litres lb.

ft. = Pound Feet

LCD = Liquid Crystal Display

LED = Light Emitting Diode

LHD = Left-Hand Drive

LTFT = Long Term Fuel Trim

LWB = Long Wheel-Base

MAF = Mass Air Flow

MAP = Manifold Absolute Pressure

MAT = Manifold Air Temperature

MCS = Mixture Control Solenoid

MCT = Manifold Charge Temperature

MFI = Multi Port Fuel Injection

MIL = Malfunction Indicator Light

mm = Millimetres

MPFI = Multi Point Fuel Injection

MPG = Miles Per Gallon

MPH = Miles Per Hour

MPI = Multi Port Injection

MPV = Multi-Purpose Vehicle
ms = Millisecond

mV = Millivolts
Nm = Newton Metres

NOX = Oxides of Nitrogen
NVRAM = Nonvolatile Random Access Memory

O2 = Oxygen
O2S = Oxygen Sensor
OBD = Onboard Diagnostics
OBD I = Onboard Diagnostics One

OBD II = Onboard Diagnostics Two

OD = Outside Diameter
OE = Original Equipment
OEM = Original Equipment Manufacturer

OHC = OverHead Camshaft
OHV = OverHead Valve

OS = Oxygen Sensor

P/B = Power Bakes
P/N = Part Number

PA = Pressure Air
PAIR = Pulsed Secondary Air Injection

PAS = Power-Assisted Steering
PCM = Powertrain Control Module

PCV = Positive Crankcase Ventilation
PECV = Power Enrichment Control Valve

PFI = Port Fuel Injection
PID = Parameter ID
PIP = Profile ignition pickup

PNP = Park/Neutral Switch

PPM = Parts Per Million
PROM = Program Read Only Memory (chip)

PS = Power Steering
PSI = Pounds Per Square Inch

PSP = Power Steering Pressure

pt. = Pint
PTC = Pending Trouble Code

PWR = Power to Weight Ratio

Qt. = Quart
RAM = Random Access Memory

RFI = Radio Frequency Interference

RHD = Right-Hand Drive
ROM = Read Only Memory

RON = Rated Octane Number

RPM = Revolutions Per Minute

RWD = Rear-Wheel Drive
SC = Supercharged
SEFI = Sequential Electronic Fuel Injection

SES = Service Engine Soon (light)
SFI = Sequential Fuel Injection
SIPS = Side Impact Protection System

SOHC = Single Over Head Camshaft

SRS = Secondary Restraint System
SRS = Supplemental Restraint System (air bag)

SRT = System Readiness Test
SS = Speed Sensor
SSI = Solid State Ignition

STFT = Short Term Fuel Trim
SWB = Short Wheel-Base

TACH = Tachometer
TB = Throttle Body
TBI = Throttle Body Injection

TC = Turbocharged
TCC = Torque Converter Clutch
TCM = Transmission or Transaxle Control Module

TD = Turbo Diesel
TDC = Top Dead Centre
TDI = Turbo Direct Injection (A turbo charged direct injected diesel engine)

TIV = Thermactor Idle Vacuum Valve
TKS = Throttle Kicker Solenoid

TPI = Tuned Port Injection
TPP = Throttle Position Potentiometer

TPS = Throttle Position Sensor
TPT = Throttle Position Transducer

TSP = Throttle Solenoid Positioner

TV = Throttle Valve
TVS = Thermal Vacuum Switch

TWC = Three Way Catalyst
TWC+OC = Three Way + Oxidation Catalytic Converter

V = Volts
VAC = Vacuum
VAC = Volts Alternating Current

VAF = Volume Airflow
VAF = Vane Airflow Sensor
VCC = Viscous Converter Clutch

VCM = Vehicle Control Module

VDC = Volts Direct Current
VIN = Vehicle Identification Number

VR = Voltage Regulator
VS = Vehicle Sensor
VSS = Vehicle Speed Sensor

VVC = Variable Valve Control

VVT = Variable Valve Timin
WOT = Wide Open Throttle

Christian Rosu

 

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