Abbreviation

*C@@Degrees Celsius

*F @@Degrees Fahrenheit

*D* @@Drive

*N* @@Neutral Position

*P* @@*PARK*Position

*P* @@*PARK* Position

O2@@Oxygen

2WD@@Two-Wheel Drive

4WD@@Four-Wheel Drive

4WS@@Four-Wheel Steering

A @@A-post, A-pillar

A @@Amperes

A @@*Amper *Ammeter *Advance *

A.I.R. @@Air Injection Reactor

A.M. @@Above-Mentioned

A/C @@Air Conditioning

A/C @@A/C Amplifie

A/C CLTCH. @@A/C Clutch

A/CL @@Air Cleaner

A/CL-BM @@Air Cleaner Bimetal Sensor

A/CL-CWM @@Air Cleaner Cold Weather Modulator

A/CL-DV @@Air Cleaner Duct Valve Vacuum Motor

A/CL-TSOV @@Air Cleaner Temperature Sensor Override Valve

A/CL-VCD @@Air Cleaner Vacuum Control Delay

A/CL-VCV @@Air Cleaner Vacuum Control Valve

A/CL-VM @@Air Cleaner Vacuum Motor

A/F @@Air-Fuel Ratio

A/T @@Automatic Transaxle Or Transmission

AA @@Automobile Association (UK)

AAA @@American Automobile Association

AAC @@Auxiliary Air Control

AAC @@Automatic Amplitude Control

AACV @@Auxiliary Air Control Valve

AAD @@Auxiliary Air Control Device

AAE @@America Association of Engineers

AAMVM @@American Association of Motor Vehicle Manufacturers

AAP @@Auxiliary Accelerator Pump

AAP @@Auxiliary Accelerating Pump

AAP @@Ambient Absolute Pressure

AAS @@Aspirator Air System

AAS @@Auto Adjust Suspension

AAS @@Air Adjust Screw

AAS @@American Astronautical Society

AAS @@Air Adjust Screw

AASHTO @@American Association of State Highways and Transportation Officials

AAV @@Anti Afterburn Valve

AB @@Air Bleed

ABA @@Air Bleed Actuator

ABCV @@Air Bleed Control Valve

ABDC @@After Bottom Dead Center

ABG @@Alcohol Blended Gasoline

ABN @@Airborne Noise

ABP @@Air Brake Proportioing (valves)

ABRS @@Air Bag Restraint System

ABS @@Altitude Barometric Switch

ABS @@Anti-Lock Brake System

ABS @@American Bureau of Standards

Abs @@Absolute

ABS Visc @@Absolute Viscosity

ABSV @@Air Bypass Solenoid Valve

ABV @@*Anti Backfire Valve *Air Bypass Valve *

ABV @@Air Bypass Valve

ABV @@Anti-Backfire Valve

AC @@Air Condition

AC @@Alternating Current Generator

AC @@*Alternating Current *After Contro *

AC @@AC Auxiliary Fan Relay

AC @@AC Compressor Safety Switch

AC @@AC Condenser Blower Motor Relay

AC @@AC Control Unit

AC @@AC Diode

AC @@AC Evaporator Motor Relay

AC @@AC Evaporator Pump Line Fuse

AC @@AC High Pressure Safety Switch

AC @@AC Idle Boost Valve

AC @@Alternating Current

AC @@Ante Christum

AC @@Accumulator

AC @@Acid

AC @@Analogue Computer

AC @@Automatic Control

AC @@Air-Cooled

AC @@Armored Car

AC @@Adaptive Control

AC @@Aerodynamic Center

AC @@Air Cooling

AC @@Air Cycle

AC @@Automatic Clutch

ACC @@A/C Clutch Compressor

ACC @@Air Conditioning Clutch

ACC @@Air Conditioning Clutch Switch

ACC @@Automatic Climate Control

ACC @@*Accessary *Altitude Compensation Carb *

Accel @@Accelerator

ACCS @@A/C Clutch Cycling Switch

ACCS @@Air Conditoning Cycling Switch

Accum @@Accumulator

ACCWM @@Air Cleaner Cold Weather Modulator

Accy @@Accessory

ACD @@Auxiliary Control Device

ACD @@Air Conditioning Demand

ACD @@Air Conditioning Demand Switch

ACDV @@Air Cleaner Diverter Valve

ACE @@Air Conditioning Equipment

ACE @@Automatic Check Equipment

ACE @@Automatic Computing Equipment

ACE @@Air Conditioning Equipment

ACG @@Alternating Current Generator

ACG @@Automatic Control Gear

ACID TEST CYC-LE @@Acceleration,Cruise, Idle,Deceleration Test Cycle

ACIS @@Acoustic Control Iduction System

Ack @@Acknowledge

ACKV @@Air Check Valve

ACL @@Air Clearner

ACL @@Automatic Chassis Lubrication

ACM @@Advanced Composite Materials

ACON @@Air Conditioning On

ACP @@Air Conditioning Pressure

ACP @@Auxiliary Control Panel

ACRS @@Air Cushion Restraint System

ACS @@Air Conditioning System

ACS-O @@Access Opening

ACT @@Air Charge Temperature

ACT @@Air Charge Temperature Sensor

ACTE @@Automatic Checkout Test Equipment

Actu @@Actuator

Actv @@Active

ACV @@Air Control Valve

ACV @@Air Cut Valve

ACV @@Armored Command Vehicle

ACV @@Air Control Valve

AD @@Anno Domini

AD @@Aerodynamic Decelerator

ADC @@Analog-Digital Converter

ADD @@Addition *

ADECS @@Automotive Diesel Electronic Control System

ADF @@Aerodynamic Drag Factor

Adj @@Adjust or Adjustable

ADL @@Automatic Door Lock

ADP @@Air-Driven Hydraulic Pump

ADS @@Adaptive Damper System

ADV @@Wiper Pressure Control

Adv @@Advance

AE @@Acceleration Enrichment

AE @@Acoustic Emission

AEA @@Automotive Electrical Association (US)

AEC @@Automotive Emission Control

AECD @@Auxiliary Emission Control Device

AEI @@After End of Injection

AERA @@Automotive Engine Rebuilders Association (US)

AESC @@American Engineering Standards Committee

AETS @@Automatic Engine Test System

AF @@Air-Fuel Ratio

AF @@Auxiliary Fuel

AFC @@Airflow Controlled

AFC @@Airflow Controlled Fuel Injection

AFC @@Air Fuel Control

AFC @@Automatic Frequency Control

AFC @@Airflow Control

AFCO @@Automatic Fuel Cutoff

AFCV @@Air Fuel Ratio Control Valve

AFE @@Automobile Fuel Economy

AFER @@Air-Fuel Equivalence Ratio

AFR @@Air-Fuel Ratio

AFS @@Airflow Sensor

AFS @@Auxiliary Fuel Supply System

AG @@Air Guard

AGO @@Automotive Gas Oil

AGT @@Automotive Gas Turbines

AGV @@Automatic Guided Vehicle

AGVS @@Automatic Guided Vehicle System

AH @@Amper Hour

AHFSS @@Air Conditionig / Heater Function Select Switch

AI @@Air Injection

AICV @@Air Injection Check Valve

AID @@Air Injection Dual

AIR @@Air Injection Reaction

AIR @@Air Injector Reactor

AIR BPV @@Air Bypass Valve

AIR COND RLY @@Air Conditioner Relay

AIR COND SIG @@Air Conditioner Singnal

Air @@Sel Air Selector

AIR-CHV @@AIR Check Valve

AIR-DVLV @@AIR Diverter Valve

AIR-IVV @@AIR Idle Vacuum Valve

AIS @@Air Injection Single

AIS @@Air Injection System

AIS @@Automatic Idle Speed

AIV @@Air Injection Valve

AIVV @@AIR Idle Vacuum Valve

AKI @@Anti-Knock Index

AL @@Acceleration Level

ALC @@Automatic Level Control

ALCL @@Assembly Line Communication Link

ALDL @@Assembly Line Diagnostic Link

ALDL @@Assembly Line Data Link

Ali @@Alignment

Alm @@Alarm

ALR @@Automatic Locking Retractor

ALR @@Automatic Length Adjusting and Locking Retractor

ALR @@Automatic Locking Retractor

Alt @@Alternator or Altitude

Alt @@Alternator

ALU @@Arithmetic and Logical Unit

AM @@Amplitude Modulation

Amb @@Ambient

AMC @@American Motors Corporation

AMGV @@Air Management Valve

Amm @@Ammeter

Amp @@Amplifier

Amp @@Ampere

AN @@Above-Named

AN @@Annual

AN @@Anode

ANC @@Active Noise Control System

ANL @@Automatic Noise Limiter

ANS @@Answer

ANSI @@American National Standards Institute

Ant @@Antenna

ANTBV @@Anti-Backfire Valve

Anti-Dsl @@Anti-Diesel

AO @@Air Operated

AOC @@Air Oil Cooler

AOC @@Automatic Overload Control

AOD @@Automatic Overdrive

AOQ @@Average Outgoing Quality

AOT @@Automatic Overdrive Transmission

AP @@Air Pump

APC @@Automatic Phase Control

APC @@Automatic Power Control

APC @@Automatic Program Control

APC @@Armored Personnel Carrier

APC @@Automatic Performance Control

APCV @@Air Pump Control Valve

APDV @@Air Pump Diverter Valve

API @@American Petrol Institude

App @@Apparatus

App @@Appendix

App @@Approved by

Approx @@Approximation

Apr @@Apprentice

APRA @@Automotive Parts Rebuilders Association(US)

APREVLV @@Air Pump Relief Valve

APU @@Auxiliary Power Unit

AQ @@Aqua(Water) *

AR @@Air Regulator

AR @@Axle Ratio

ARC @@Acceleration Signal

ARQ @@Automatic Error Request Equipement

ARV @@Armored Recovery Vehicle

AS @@Airflow Sensor

AS @@American Standard

AS @@Air Suction

AS @@Automatic Synchronizer

ASA @@American Standard(s) Association

ASA @@Acoustical Society of America

ASC @@Automatic Stability Control

ASCD @@Auto Speed Control Device

ASCPS @@Air Switch Canister Purge Solenoid

ASCPT @@Air Switch Canister Purge Timer

ASD @@Auto Shut Down

ASDM @@Air Bag System Diagnostic Module

ASDV @@Air Switching Diverter Valve

ASE @@Automatic Stabilization Equipment

ASIS @@Abort Sensing and Implementation System

ASIS @@American Society for Industrial Security

ASL @@Above Sea Level

Asm @@Assembly

ASME @@American Society of Mechanical Engineers

ASQC @@American Society for Quality Control

ASRV @@Air Switching Relief Valve

ASS @@Air Switching Solenoid

ASS @@Air Suction System

Ass @@Assembly

Ass @@Assistant

Ass @@Association

Assy @@Assembly

ASTM @@American Society for Testing and Materials

ASV @@Air Switching Valve

ASV @@Air Suction Valve

ASV @@Air Switching Valve

ASVS @@Air Switching Vacuum Solenoid

AT @@Acceptance Test

AT @@Air Temperature

AT @@Ampere Turn

AT @@Angle of Train

AT @@Automatic Transmission

AT. @@Air Tight

At. @@Atmosphere

ATC @@Automatic Temperature Control

ATC @@After Top Center

ATC @@Automatic Temperature Control

ATC @@Automatic Timing Corrector

ATDC @@After Top Dead Center

ATF @@Automatic Transmission Fluid

Atm @@Atmosphere

ATM @@Automatic Transmission

ATM @@Actuator Test Modes

ATO @@Automatic Train Operation

ATS @@Air Temperature Sensor

ATS @@Automatic Train Stopper

ATT @@Attenuation

ATV @@Above the Throttle Valve

ATX @@Automatic Transaxle

AUTO @@Automatic

Aux @@Auxiliary

AV @@Air Valve

Avg @@Average

AVOM @@Analog Volt-Ohm Meter

AVSV @@Air Vent Solenoid Valve

AWD @@Air Warning Device

AWD @@All Wheel Drive

AWP @@Average Working Pressure

AWP @@Awaiting Parts

AXOD @@Automatic Overdrive Transaxle

AZS @@Automatic Zero Set

B @@B-pillar B

B @@B-post B

B+ @@Battery Positive Voltage

B/P @@EGR Back Pressure Transducer EGR

B/P @@Backpressure

B/S @@Bore-to-Stroke Ratio

B/S @@Bill of Sale

B/U @@Back-Up

BA @@(cylinder)Bore Area

BA @@Bumper to Center Line of the Front Axle

BAC @@By-Pass Air Control

BACV @@Bypath Air Control Valve

BANK1 @@Injector Bank #1

BANK2 @@Injector Bank #2

BANK3 @@Injector Bank #3

BAP @@Barometric Absolute Pressure

Bap Sens @@Barometric Absolute Pressure Sensor

BARO @@Barometric Pressure

Baro @@Barometric

BARO. @@Barometric

Batt @@Battery

BAV @@Bleed Air Valve

BB @@Babbit Metal

BBDC @@Before Bottom Dead Center

BBL. @@Barrel

BBS @@Building Block System

BC @@Befor Control

BCC @@Battery Charger Control

BCDD @@Booster Control Decelerate Device

BCM @@Body Control Module

BCV @@Boost Control Valve

BCV @@Booster Control Valve

BCV @@Boost Control Valve

BCV @@Boost Control Valve

BDC @@Bottom Dead Center

BDV @@Breakdown Voltage

BE @@Banchelor of Engineering

BE @@Baume

BE @@Booster Engine

BE @@Best Economy

BEI @@Breakerless Electronic Ignition

BESA @@British Engineering Standard Association

BFC @@Brake Force Coefficient

BFLI @@Brake Fluid Level Indicator

BHP @@Brake Horsepower

BHS @@Bimetal Heat Sensor

Bi Met @@BiMetallic Air Temperature Control Sensor

BICERI @@British Internal Combustion Engine Research Institute

BIT @@Best Injection Timing

BK @@Brake Switch

Bk @@Back

Bk @@Rest Back Rest

BLK @@Black

BLR @@Blower

BLR @@Beyond Local Repair

Blst @@Ballast

BLU @@Blue

Blwr @@Blower

BM @@Bench Mark

BM @@Breakdown Maintenance

BM @@Breake Electromagnet

BM @@Brakdown Maintenance

BMAP @@Barometric and Mainfold Absolute Pressure

BMEP @@Brake Mean Effective Perssure

BNH @@Burnish

BOC @@Buick, Oldsmobile, Cadillac Group

BOO @@Brake On-Off Switch

BP @@Back Pressure

BP @@Barometric Pressure

BP @@Boiling Point

BP @@Best Power

BPA @@Bypass Air

BPC @@Back Pressure Control

BPO @@Bypass Orifice

BPS @@Barometric Pressure Sensor

BPT @@Backpressure Transducer

BPV @@By-Pass Valve

Br @@Bromine

Br @@Brass

Brkr @@Breaker

BRN @@Brown

BS @@Barometric Switch

BS @@Bimetal Sensor

BS @@Bachelor of Science

BS @@Binary Scale

BS @@Both Sides

BS @@British Standards

BSAU @@British Standards Automotive

BSC ENG @@Bachlor of Science in Engineering

BSFC @@Brake Specific Fuel Consumption

BSI @@British Standards Institute

BTC @@British Technical Council of the Motor and Petroleum Industries

BTDC @@Before Top Dead Center

BTHE @@Brake Thermal Efficiency

BTRY @@Battery

BTU @@British Thermal Units

BTV @@Below the Throttle Valve

BUDC @@Bofore Upper Dead Centre

BULKHD. @@Bulkhead

Buz @@Buzzer

BV @@Bowl Vent Port

BV @@Breakdowm Voltage

BV @@Balanced Voltage

BVSV @@Bimetallic Vacuum Switching Valve

BVT @@BackPressure Variable Transducer

BVV @@Bowl Vent Valve

BYP @@Bypass

BYPA @@Bypass Air (Idle Speed Control)

C @@Celcius

C @@C-Piller

C @@Call

C @@Candle

C @@Capacitance

C @@Car

C @@Carbon

C @@Cathode

C @@Celsius Scale

C @@Coulomb

C @@* Celcius

C&M @@Care and Maintenance

C-4 @@Computer Controlled Catalytic Converter

C. CANI @@Charcoal Canister

C.E. @@Check Engine

C.G. @@Center of Gravity

C/O @@Checkout

C/O @@Choke Openner

C3I @@Computer Controlled Coil Ignition

C4 @@Computer Controled Catalytic Converter

CA @@Calcium

CA @@Compressed Air

CA @@Crank Angle

CABR @@Cabriolet

CAC @@Charge Air Cooler

CACS @@Comprehensive Automobile Control System

CACV @@Combined Air Control Valve

CAD @@Computer-Aided Design

CAE @@Computer Aided Enginering

CAFE @@Corporate Average Fuel Economy

CAL @@Calorie

CAL @@Calculated Average Life

CAL @@Caliber

CAL @@Calibrate

CAL @@Collision Avoidance Light

CAL-PAC @@Calibration Package

Calib @@Calibration

Calif @@California

Calif @@California

CALSEL @@Calibration Select

CAM @@Camber

CAM @@Camshaft

CAM @@Computer Aided Manufacturing

Can @@Canaba

Can @@Canister

Can Prg @@Canister Purge

Can.Prg @@Canister Purge

Canc. @@Cancel

CanCV @@Canister Control Valve

CANP @@Canister Purge solenoid

CANP @@Canister Purge

CAP @@Capacity *

CAP @@Cleaner Air Package

Cap @@Capacitor or Capacity

CARB @@California Air Resources Board

Carb @@Carburetor

CAS @@Caster

CAS @@Clear Air System

CAT @@Carburetor Air Temperature

CAT @@Catalogue

CAT @@Catalyst

CAT @@Category

CAT @@Carburator Air Temproture

Cat @@Catalytic Converter

CAV @@Construction Assistance Vehicle

CAV @@Coasting Air Valve

CB @@Circuit Breaker

CB @@Choke Breaker

CB @@Contact Breaker

CBE @@Cab Behind Engine

CBVV @@Carburetor Bowl Vent Valve

CC @@Cubic Centimeters

CC @@Cruise Control

CC @@Catalytic Converter

CC @@Converter Clutch

CCC @@Computer Command Control

CCCS @@Computer Controlled Cooling System

CCD @@Computer Control Dwell

CCEGR @@Coolant Controlled Exhaust Gas Recirculation

CCEVS @@Coolant Control Engine Vacuum Switch

CCEVV @@Coolant Control Engine Vacuum Valve

CCIV @@Coolant Control Idle Enrichment Valve

CCM @@Central Control Module

CCO @@Catalytic Converter for Oxidation

CCOT @@Cycling Clutch Orifice Tube

CCOT @@Cycling Clutch (Orifice) Turbo

CCP @@Controlled Canister Purge

CCP @@Charcoal Canister Purge

CCR @@Catalytic Converter Reduction

CCRM @@Constant Control Relay Module

CCRO @@Catalytic Converter for Reduction and Oxidation

CCRO @@Catalytic Converter Rhodium

CCS @@Controlled Combustion System

CCU @@Cruise Control Unit

CCW @@Counterclockwise

CD @@Computer Aided Design

CD @@Candera

CD @@Capacity Discharge (electronic ignition)

CD @@Compact Disc

CD @@Capacitor Discharge(ignition)

CD @@Cofficient of Drag

CD-REGVLV @@Crankcase Depression Regulator Valve

CD-ROM @@Compact Disc Read Only Memory CD

CDI @@Capacitive Discharge Ignition

CDI @@Controlled Direct Injection(system)

CDY @@Chassis Dynamometer

CEAB @@Cold Engine Air Bleed

CEC @@Computerized Emission Control

CEC @@Combined Emission control(Valve)

CEC @@Computerized Engine Control

CEC @@Coordinating European Council (standards)

CELO @@Cold Engine Lock-Out

CEM @@Composite Electro-Chemical Material

CENT @@Center

CES @@Clutch Engaged Switch

CES @@Coasting Enricher System

CESS @@Cold Engine Sensor Switch

CF @@Center of Floatation

CF @@Centrifugal Force

CF @@Conversion Factor

CF @@Cutting Fluid

CF @@Confer

CF @@Cubic Feet

CF @@Counter Fire

CFI @@Central Fuel Injection

CFI @@Cross Fire Injection

CFI @@Centrol Fuel Injection

CFI @@Continuous (throttle body)Fuel Injection

CFRP @@Carbon Fiber Reinforced Plastics

CFS @@Coasting Fuel Cut System

CH.O @@Choke Openner

CHA @@Charge

CHB @@Choke Braker

CHG. @@Charge

CHK @@Check

Chk.Eng. @@Check Eigine

CHNG @@Change

CHO @@Choke Opener

CHRG @@Charging

CHT @@Cylinder Head Temperature

CHU @@Centigrade Heat Unit

Ch Vlv @@Check Valve

CI @@Cubic Inches

CI @@Compression Ignition

CI @@Compression Ignition Engine

CI @@Cubic Inches

CI @@Cast Iron

CI @@Compression Ignition

CID @@Cubic Inch Displacement

CID @@Cylinder Identification Sensor

CID @@Cylinder Identification

Cig @@Cigarette

Cig Ltr @@Cigarette Lighter

Circ @@Circuit

Circ Brkr @@Circuit Breaker

CIS @@Continuous Injection System

CIS-E @@Continuous Injection System Electronic

CK-VLV @@Check Valve

CKD @@Completely Knocked Down

CKDL-VLV @@Check Delay Valve

CKP @@Crankshaft Position

CKPS @@Crankshaft Position Sensor

Ckt. @@Circuit

CL @@Closed Loop

CL @@Central Line

CL @@Car Load

CL @@Class

CL @@Clearance

CL @@Crane Load

CL @@Chlorine

CLA @@Chemilumineceut Analyzer

CLC @@Converter Locking Clutch

CLCC @@Closed Loop Carburetor Control

Clch @@Clutch

CLD,CLA @@Chemiluminecent Detector (Analyzer)

CLEC @@Closed Loop Emission Control

CLK @@Clock

CLRC @@Clearance

Clmn. @@Coloumn

Clmt. @@Climate

CLR @@Clear

CLR @@Current-Limiting Resistor

CLS @@Closed Loop

Clstr. @@Cluster

CLTBI @@Closed Loop Throttle Body Injection

CM @@Centimeter

CM @@Center of Mass

CM @@Control Motor

CMET @@Coated Metal

CMH @@Cold Mixture Heater

CMO @@Conventional Mineral Oil

CMP @@Camshaft Position

CMPS @@Camshaft Position Sensor

Cmpnstr. @@Compensator

Cmptr. @@Computer

CMVSS @@Canadian Motor Vehicle Safety Standard

CN @@Change Notice

CNCLD @@Concealed

CNG @@Compressed Natural Gas Automobile

CNG @@Compressed Natural Gas

CNT @@Constant

Cntr. @@Central or Center

CNTRL @@Control

Cnvnc. @@Convenience

CO @@Carbon Monoxide

CO @@Choke Opener

Co-Ax. @@Co-Axial

CO2 @@Carbon Dioxide

COC @@Conventional Oxidation Catalyst

COD @@Cash On Delivery

COD @@Chemical Oxygen Demand

COE @@Cab Over Engine

Colng. @@Coolng

Colnt. @@Coolant

Comb. @@Combination

COMP @@Compressor or Compartment

Comp. @@Compressor

Compens @@Compensation

Compt. @@Compartment

CON. ROD @@Connecting Rod

Cond. @@Condenser

Conn. @@Connector or Connection

CONT @@Continued

CONT. @@Control

CONV @@Converter

CONV @@Convertible

Convs. @@Conversion

CORP @@Corporation

Count. @@Counter

COV @@Control Valve

CP @@Candera Power

CP @@Canister Purge

CP @@Centre of Pressure

CP @@Crankshaft Position

CP @@Condensation Product

CP @@Carriage Paid

CP @@Chemical Pure

CP @@Circular Pitch

CP @@Constant Pressure

CPCV @@Canister Purge Control Valve

CPM @@Cycles Per Minute

CPPS @@Clutch Padel Position Switch

CPRV @@Canister Purge Regulator Valve

CPS @@Canister Purge Solenoid

CPS @@Central Power Supply

CPS @@Crank Position Sensor

CPS @@Central Power Supply

CPS @@Crankshaft Position Sensor

CPS @@Cycle Per Second

CPS @@Control Pressure System

CPT @@Convertible Power Train

CPU @@Central Processing Unit

CPU @@Computer

CPV @@Canister Purge Valve

CPV @@Constant Pressure Valve

CPVVV @@Choke Pulldown Vacuum Vent Valve

CR @@Crossroad

CR @@Contraction Ratio

CRE @@Corrosion Resistant

CRES @@Corrosion Resistant Steel

CRK @@Cranking Signal

Crnr. @@Corner

CRNRNG @@Cornering

CRO @@Cathode-Ray Oscilloscope

CRS @@Choke Return System

CRS @@Child Restraint System

CRS @@Coasting Richer System

CRS @@Coolant Recovery System

CRT @@Cathode Ray Tube

CRTC @@Cathode Ray Tube Controller

CRV @@Coasting Richer Valve

CSA @@Cold Start Advance

CSC @@Coolant Spak Conrol

CSCS @@Cold Start Control Solenoid

CSD @@Constant Speed Drive

CSE GND @@Case Ground

CSPM @@Cold Start Program Modifier

CSS @@Calibration Select Switch

CSSA @@Cold Start Spark Advance

CSSH @@Cold Start Spark Advance Hold(system) (

CSU @@Crank Angle Selecting Unit

CT @@Cold Temperature

CT @@Conventional Thermactor

CT @@Cam-Train

CT @@Closed Throttle

CTA @@Computer-Aided Test

CTA @@Constant Temperatuer Hot Wire Anemometer

CTAV @@Cold Temperature Actuated Vacuum

CTD @@Contrlolled Traction Differential

CTO @@Coolant Temperature Override

CTPS @@Closed Throttle Position Switch

CTR @@Critical Temperature Resistance

Ctrl. @@Control

Ctrlld @@Controlled

CTS @@Coolant Temperature Sensor

CTS @@Coolant Temperature Switch

CTSWH @@Closed Throttle Switch

CTSY @@Courtesy

CTSY. @@Courtesy

CTTS @@Coolant Temperature Thermo Switch

CTVS @@Choke Thermal Vacuum Switch

CU @@Control unit

Cu.In. @@Cubic Inches

CUB @@Cubic

CURR @@Current

CV @@Constant Velocity

CV @@Check Valve

CV @@Check Valve

CV @@Coasting Valve

CV @@Constant Velocity

CV @@Constant Velocity Joint

CV @@Control Valve

CV @@Calorific Valve

CV @@Combat Vehicle

CV @@Commercial Vehicle

CV @@Convertible

CV @@Constant Volume Specific Heat

CV @@Critical Viscosity

CVC @@Constant Vacuum Control

CVC @@Constant Voltage Control

CVCC @@Compound Vertex Controlled Combussion

CVCC @@Constant Volume Combustion Chamber

CVRT @@Continuously Variable Ratio Transmission

CVS @@Constant Volume Sampling

CVS3P @@Cold Vacuum Spark,3-Port

CVSCC @@Coolant Vacuum Switch Cold Closed

CVSCO @@Coolant Vacuum Switch Cold Open

CVT @@Contiuously Variable Transmission

CVU @@Continuously-Variable Unit

CW @@Clockwise

CW @@Continuous Wave

CY @@Copy

CYL @@Cylinder

CYL @@Cylindrical

D @@Drive

D @@Drive

D @@*Diameter *Discharge *Drive *Dual *Double *

D&M @@Driving and Maintenance

D/O @@Delivery Order

Damp @@Damper

DAR @@Drive Axle Ratio

DAS @@Distributor Advance Solenoid

DASS @@Diesel Additive Supply System

DATA+ @@Data Positive

DATA- @@Data Negative

DB @@Decibel

DBC @@Dual Bed Catalytic

DBP @@Drawbar Pull

DBW @@Drive-by-Wire

DC @@Direct Current

DC @@Digital Control

DC @@Drop Center Rim

DC @@Dead Center

DCEL @@Direct Current Luminescence

DCH @@Dual-Circuit Hydraulic System

DCI @@Direct Cylinder Injection

DCL @@Data Communications Link

DCLV @@Deceleration Valve

DCM @@Direct Current Motor

DCM/C-VLV @@Deceleration Mixture Control Valve

DCS @@Deceleration Control System

DCTO @@Dual Coolant Temperature Override

DCV @@Deceleration Control Valve

DCV @@Downdraft Constant Vacuum Carburettor

DD @@Dual Distributors

DD @@Direct Drive

DDC @@Direct Digital Control

DDD @@Dual Diaphragm Distributor

DDV @@Distributor Decel Valve

De-Ice @@De-Icer

De-ice. @@De-Ice

DEC @@Digital Engine Control

Decel @@Deceleration

DECS @@Daihatsu Economical Clean-Up System (

DEE @@Digital Engine Electronic

DEF @@Defroster

DEF @@Diesel Exhaust Filter

Def @@Defroster

DEF. @@Defogger or Defroster

DEFI @@Digital Electronic Fuel Injection

Defog @@Defogger

Deg @@Degree

Del @@Delay

DELO @@Diesel Engine Lubricating Oil

DERM @@Diagnostic Energy Reserve Module

Desig @@Designation

DET @@Detached

DET @@Detail

DET @@Detection

DET @@Dtector

Deton. @@Detonation

DETRNT. @@Deterrent

DF @@Design formula

DF @@Direction Finding

DF @@Defogging

DF @@Drive Fit

DFF @@Direct Fuel Feed(injector)

DFI @@Digital Fuel Injection

DFIP/D @@Diesel Distribution-Type Fuel Injection Pump

Dft @@Defeat

DG @@Double Glass

DG @@Double Groove

DI @@Deceleration Idle

DI @@Direct Injection

DI @@Defense Industry

DI @@Deicing

DI @@Direction Indicator

DI @@Diesel Index

DI.B @@Disk Brake

Diag @@Diagnostic

DIC @@Driver Information Center

DIDV @@Dual Ignition Delay Valve

Diff @@Differential

Dig. @@Digital

DIGRO @@Digital Readout

Dim @@Dimmer

DIN @@Deutsch Industrial

Dir @@Direction or Directional

DIRSI @@Deposit Induced Runaway Surface Ignition

DIS @@Direct Ignition System

DIS @@Discharge

DIS @@Distribution Ignition System

DIS @@Doppler Inertial System

DIS @@Digital Idling Stabilization

DIS @@Distributorless Ignition System

DIS @@Dual Induction System

Disp @@Display

DIST @@Distribution

DIST @@Distributor

DIT @@Direct Injection Turbocharged

DITA @@Direct Injection Turbocharged Aftercooled

DIX. @@Deluxe

DIY @@Do-It-Yourself

DK BLU @@Dark Blue

DK GRN @@Dark Green

DL @@Datum Level

DL @@Dead Load

DL @@Drawing List

DLC @@Data Link Connector

DLI @@Distributorless Ignition

DLL @@Design Limit Load

DLR @@Driving Lamps Relay

DLS @@Digital Idling Stabilization(unit)

DLV @@Deflection Limitin Volume

Dlx @@Deluxe

Dly @@Delay

DM @@Diesel Moderate

DM @@Dehydrogenated Mixture

DM @@Design Manual

DM @@Development Milestone

DM @@Differential Motor

DM @@Drive Magnet

DME @@Digital Motor Electronics

DMS @@Dual Manifold System

DMS @@Distributor Modulator System

Dn. @@Down

Dnshft @@Downshift

DOC @@Direct Operating Cost

DOD @@Department of Defense

DOHC @@Double Overhead Camshaft

DOL @@Data Output Line

DOT @@Department of Transportation(US)

DP @@Dashpot

DP @@Development Prototype

DP @@Damp Proofing

DP @@Data Processing

DP @@Dead Point

DP @@Dew Point

DP @@Diametral Pitch

DP. CHAMBER @@Depression Chamber

DPA @@Delayed Port Admission(system)

DPA @@Distributor Pump Assembly

DPB @@Dual Power Brake

DPC @@Data Processing Center

DPD @@Dual Point Distributor

DPDT @@Double-Pole Double-Throw

DPF @@Diesel Particulate Filter

DPI @@Dual Plug Inhibit

DPST @@Double-Pole Single-Throw

DPT @@Department

DR @@Drive Range

DR @@Double Reduction

Dr @@Door

DR.B @@Drum Regulation Braker

DRB-II @@Diagnostic Readout Box

DRCV @@Distributor Retard Control Valve

DRL @@Daytime Running Lmps

Drop @@Dropping

DRS @@Distributor Retard Solenoid

Drvr @@Driver

DS @@Distributor Spark

DS @@Detonation Sensor

DS @@Diesel Severe

DS @@Data Set

DS @@Design Specification

DS @@Drawing Summary

DS-II @@Duraspark II

DSC @@Doctor of Science

DSCC @@Digital Spark Control Computer

Dsl @@Diesel

Dsl @@Diesel

DSM @@Design Standards Manual

Dstnc @@Distance

DT @@Date

DT @@Descrepancy Tag

DT @@Doubling Time

DT @@Double Tire

DTC @@Diagnostic Trouble Code

DTM @@Decel Throttle Modulator

DTM @@Diagnostic Test Mode

DTMS @@Diagnostic Test Mode Selector

DTP @@Department of Transport(UK)

DTR @@Duty Type Rating

DTS @@Detailed Test Specification

DTVS @@Distributor Thermal Vacuum Switch

DV @@Decel Valve

DV @@Delay Valve

DV @@Diverter Valve

DV @@Device

DV-TW @@Delay Valve-Two Way

DVAC @@Distributor Vacuum Advance Control Valve

DVAS @@Distributor Vacuum Advance Solenoid

DVB @@Delay Vacuum Bypass System

DVCS @@Distributor Vacuum Control Switch

DVCV @@Differential Vacuum Control Valve

DVD @@Differential Delay Valve

DVDSV @@Differential Vacuum Delay Separator Valve

DVDV @@Distributor Vacuum Delay Valve

DVIDV @@Differential Valve/Delay Valve

DVM @@Digital Voltmeter

DVOM @@Digital Volt/Ohm Meter

DVRV @@Distributor Vacuum Regulating Valve

DVTR-VLV @@Diverter Valve

DVTW @@Delay Valve Two-Way

DVVV @@Distributor Vacuum Vent Valve

DWC @@Deadweight Capacity

DWDRG @@Double-Weight Dual Range Governor

DWLS @@Double Weight Limiting Speed(governor)

DWS @@Differential Wheel Speed

DWT @@Deadweight Tonnage

DX @@Deluxe (=luxurious)

DX @@Distance

DX @@Duplex

DX @@Deluxe

DYN @@Dynamotor

DZ @@Dozen

E @@*Exhaust *Electronmotive Force *Earth *Empty

E @@Earth

E @@East

E @@Electric Field Intensity

E @@Electric Tension

E @@Emergency

E @@Modulus of Elasticity

E& FR @@Event and Failure Record

E.M.F @@Electromotive Force

EA @@Energy Absorbent Bumper

EA @@Earth

EA @@Energy Absorbing

EA @@Energy Absorber

EAC @@Electronic Air Control

EAC @@Electric Assist Choke

EAC @@Engine Air Control

EAD @@Energy Absorbing Devicer

EAI @@Exhaust Air Induce

EAICV @@Exhaust Air Induce Control Valve

EAIR @@Electronic Air Management

EAP @@Electronic Air Pump

EAS @@Electric Air Switching

EAS @@Electronic Spark Advance

EAS @@Electronic Air Suspension

EAT @@Electronic Automatic Transmission

EATC @@Electronic Automatic Temperature Control

EAU @@Energy Absorbing Unit

EAVS @@Electrically Actuated Vacuum Switch

EB @@*Emergency Brake *Exhaust Brake *

EBCM @@Electronic Brake Control Module

EBCV @@Electric Air Bleed Control Valve

EBCV @@Electric Air Bleed Control Valve

EBP @@Exhaust Back Pressure

EBR @@Electron Beam Recording System

EBS @@Electron Beam Scanning System

EC @@Electric Choke

EC @@Emission Controlled Module

EC @@Elasticity Coefficient

EC @@Electronic Computer

EC @@Error Correcting

EC @@Exhaust Valve Closes

EC BRAKE @@Energy Consumption Brake

EC-AT @@Electronic Controlled Automatic Transmission

ECA @@Electronic Control Assembly

ECC @@Electronic Chassis Control

ECC @@Electronic Climate Control

ECC @@Electronic Computer Control

ECC @@Electronic Controlled Carburetor

ECC @@Electronic Climate Control

ECC @@Electronic Comfort Control

ECC @@Electronic Control Carburator

ECC @@Ecentric

ECC @@Electronically Controlled Clutch(system)

ECC @@Expansion Combustion Chamber

ECC @@Electronically Controlled Carburetor Control Unit

ECCS @@Electronic Concentrated Control System

ECCS @@Electronic Concentrated Engine Control System

ECD @@Electronic Controlled Diesel

ECD @@Energy Conversion Device

ECD @@Estimated Completion Date

ECDY @@Eddy Current Dynamometer

ECE @@External Combustion Engine

ECGI @@Electronically Controlled Gasoline Injection

ECI @@Electronic Controlled Ignition

ECI @@Electronic Controlled Injection

ECI-JET @@Electronic Controlled Injection Jet

ECI-TURBO @@Electronic Controlled Injection Turbo

ECL @@Equipment Component List

ECM @@Electronic Control Module

ECM @@Engine Control Module

ECO @@Engine Checkout System

ECO @@Engineering Change Order

Econ @@Economy

ECON. @@Engine Control Module

ECR @@Equivalent Continuous Rating

ECRV @@Emission Control Regulator Valve

ECS @@Emission Control System

ECS @@Electronic Control Suspension

ECS @@Electronic Control Power Steering

ECS @@Error Correction Servo

ECS @@Evaporaative (emission) Control System

ECS @@Engineering Change Schedule

ECS @@Eenvironmental Control System

ECS @@Electronic Control System

ECS @@Engine Control System

ECT @@Electronic Control Transmission

ECT @@Engine Coolant Temperature

ECT @@Electronic Controlled Transmission

ECT @@Engine Coolant Temperature

ECT @@Engine Cutoff Timer

ECT @@Electronic Controlled Transmission

ECT-I @@Electronic Controlled Transmission Intelligent

ECU @@Electronic Control Unit

ECU @@Engine Control Unit

ECU @@Engine Calibration Unit

ECVT @@Electronic Continuously Variable Transmission

ED @@Electron Device

ED @@Error Detecting

ED @@Estimated Date

ED @@Experimental Duties

EDAC @@Engine Data Acquisition and Control(system)

EDC @@Engineering Design Change

EDC @@Engineering Drawing Change

EDC @@Estimated Date of Completion

EDC @@(Bosch*s)Electronic Diesel Control

EDD @@End Delivery Date

EDD @@Engineering Design Date

EDD @@Estimated Delivery Date

EDF @@Electro Drive Fan

EDF @@Electric Drive Fan Relay Assembly

EDF @@Electronic Dual Fuel Cut

EDIC @@Electronic Diesel Injection Control (system)

EDIS @@Electronic Distributorless Ignition System

EDM @@Electronic Distributor Modulator

EDP(S) @@Electronic Data Processing (system)

EDPAC @@Engine Diagnostic Package

EDPM @@Electronic Data Processing Machine

EE @@Electrical Engineering

EE @@Electronics Engineer

EEC @@Electronic Engine Control

EEC @@Evaporative Emission Control

EEC @@European Economic Community (Common Market)

EEC @@Engine Eletronic Center

EEC II @@Electronic Engine Controls II

EECS @@Evaporative Emissions Control System

EEG @@Electronic Ephalogram(-graphy)

EEV @@Energy Efficient Vehicle

EF @@Emergency Facilities

EF @@Equivalent Focal Length

EF @@Exhaust Fan

EFC @@Electronic Fuel Control

EFC @@Electronic Feed-Back Carburator

EFC @@Electronic Fuel Control (system)

EFE @@Early Fuel Evaporator

EFE @@Early Fuel Evaporation System

EFE @@Early Fuel Evaporation

EFES @@Early Fuel Evaporation System

EFG @@Electronic Fuel Gauge

EFI @@Electronic Fuel Injection

EFM @@Electronic Fuel Management

EFM @@Electronic Fuel Metering

EG @@Ethylene Glycol

EGC @@Exhaust Gas Check Valve

EGI @@Electronic Control Gasoline Injection

EGI @@Electronic Gasoline Injection

EGI @@Electronic Gasoline Injection

EGO @@Exhaust Gas Oxygen

EGO @@Exhaust Gas Oxygen(sensor)

EGO Sens Gnd @@EGO Sensor Ground

EGO2 @@Exhaust Gas Oxygen(dual)

EGOR @@Exhaust Gas Oxygen Signal Return

EGR @@Exhaust Gas Recirculation

EGR TEMP SEN EGR @@Temperature Sensor

EGR-Blds @@EGR Bleed Solenoid

EGR-CLR @@EGR Cooler

EGR-CTS @@EGR Charge Temperature Sensor

EGR-DV @@EGR Delay Valve

EGR-EPV @@EGR External Pressure Valve

EGR-EVR @@EGR Electronic Vacuum Regulator

EGR-RSR @@EGR Reservoir

EGR-SO @@Exhaust Gas Recirculation Shutoff

EGR-VA @@EGR Valve Actuator

EGR-VM @@EGR-Vacuum Modulator

EGR-VM @@Exhaust Gas Recirculation Vacuum Modulator

EGR-VSOL @@EGR Vacuum Solenoid

EGR-VVA @@EGR Venturi Vacuum Amplifier

EGR/EPR @@Exahaust Gas Recirculation/Exhaust Pressure Regulation

EGRC @@EGR Control Solenoid

EGRC @@EGR Control

EGRC @@EGR Cooler

EGRC @@Exhaust Gas Recirculation Control

EGRC SOL/V @@EGR Canister Control Solenoid Valve EGR/

EGRT @@EGR Temperature

EGRV @@EGR Vent Solenoid

EGRV @@EGR Vent

EGRV @@EGR-Valve

EGRV @@Exhaust Gas Recirculation Vent

EGRV @@Exhaust Gas Recirculation Valve

EGS @@Electronic Transmission Control

EGT @@Exhaust Gas Temperature

EH @@Electronic Heating

EHC @@Electronic Hight Control

EHC @@Exhaust Heat Control

EHC @@Electr-Hydraulic Controller

EHF @@Extremely High Frequency

EHP @@Effective Horsepower

EHPS @@Electro Hydraulic Power Steering (

EI @@Electronic Ignition

EIC @@Carbon Emission Index

EICV @@Electronic Idle Control Valve

EIHC @@HC Emissions Index

EIN @@Engine Identification Number

EIS @@Electronic Ignition System

EITS @@Excessive Idle Termination System

EITV @@Early Intake-Valve Closing (system)

EIV @@Emissions Index for Volatile

EL @@Elastic Limit

EL @@Electroluminescent

ELB @@Electronic Lean Burn

ELC @@Electronic Level Control

ELC @@Electric Control

ELC @@Electronic Lock-Up Clutch

ELEC @@Electronic Valve

Elec. @@Electric

Elec. @@Electronic

Elect @@Electronics

ELR @@Emergency Locking Retractor

ELS @@Electronic Levelling Suspension

ELS @@Electronic Suspension Levelling System

EM @@Engine Modification

EM @@Electron Microscope

EM @@Electromagnetic

EM @@Electromechnical

EM @@Engineering Manual

EM @@Engine Modification

EMA @@Emission Measurement Apparatus

EMA @@Engine Maintenance Area

EMB @@Engine Mangement Bumper

EMC @@Electromagnetic Compatibility

EMC @@Electronic Motor Control (module)

EMD @@Electric Motor Driven

EMF @@Electronmotive Force

EMI @@Electromagnetic Interference

Emis @@Emission

EML @@Electronic Throttle Control

EML @@Equipment Modification List

EMP @@Empty

EMR @@Electronic Module Retard

EMU @@Electromagnetic Unit

ENG @@Engineer

ENG @@Engineering

Eng @@Engine

Eng @@Coolant Temp Engine Coolant Temperature Sensor

ENN D @@Doctor of Engineering

EO @@Engine Oil

EO @@Engineering Order

EO @@Exhauxt Valve Opens

EOG @@Electro-Oculography

EOHC @@Engine-Out Hydrocarbon

EOI @@End of Injection

EOI @@Exhaust Over Inlet(valves)

EOL @@End of Life

EON @@Engine Octane Number

EOS @@Exhaust Oxygen Sensor

EP @@Extreme Pressure

EP @@Earth Plate

EP @@Electrically Polarized

EP @@Electrical Propulsion

EP @@Electropneumatic

EP @@End Point

EP @@Engineering Project

EPA @@Environmental Protection Agency

EPC @@Electronic Pressure Control

EPCS @@Electronic Propulsion Control System

EPGS @@Electrical Power Generating System

EPI @@Electronic Petrol Injection

EPIC @@Exhaust Port Ignition Cleaner

EPOS @@EGR Valve Position

EPR @@Exhaust Pressure Regulator

EPR @@Engine Pressure Ratio

EPR @@Engine Pressure Regulator

EPR @@Exhaust Pressure Ratio

EPR @@Exhaust Pressure Regulation

EPS @@Electronic Power Steering

EPS @@Electric Powerstorage

EPS @@Electrical Power Supply

EPS @@Emergency Power Supply

EPT @@EGR Pressure Transducer

EQ @@Equal

EQ @@Equivalent

EQ @@Equipment

ER @@EGR Rate

ER @@Emission Ratio

ERGS @@Electronic Route Guidance System

ERS @@Economy Running System

ESA @@Electronic Spark Advance

ESC @@Electronic Spark Control

ESC @@Electronic Skid Control

ESC @@Electronic Suspension System

ESC @@Electronic Spark Control

ESC @@Engine Spark Control Igniter

ESC-IGN @@Engine Spark Control Igniter

ESD @@Electrostatic Discharge

ESG @@Engine Speed Governor

ESM @@Engineering Standards Manual

ESS @@Electronic Spark Selection

ESS @@Engine Speed Sensor

ESS @@Electronic Switching System

ESSM @@Engine Speed Switch Module

EST @@Electronic Spark Timing

EST @@Electronic Programmed Spark Timing

ESU @@Electrostatic Unit

ESV @@Experiment Safety Vehicle

ET @@Exhaust Temperature

ETA @@Estimated Time of Arrival

ETC @@Electronic Throttle Control

ETC @@Electronic Temperature Control

ETC @@Electronic Traction Control System

ETC @@Estimated Time of Completion

ETC @@Electronic Throttle Control

ETCC @@Electronic Touch Comfort Control

ETEC @@Electronic Truck Engine Control

ETF @@Engine Test Facilities

ETF @@Engineering Test Facilities

ETP @@Evaluation Test Procedure

ETR @@Emergency Tensioning Retractor

ETR @@Electronically Tuned Receiver

ETRTO @@European Tyre and Rim Technical Organization

ETS @@Engine Temperature Switch

ETS @@Evaluation Test Specifications

ETS @@Exhaust-Gas-Turbo-Super-Charger

ETV @@Electronic Throttle Valve

EU @@Energy Unit

EU @@Entropy Unit

EU @@Equivalent Unit

EUV @@Extreme Ultraviolet Radiation

EV @@Electro Vacuum

EV @@Electron Volt

EV @@Electric Vehicle

EVAP @@Evaporative System

Evap. @@Evaporator or Evaporative

EVC @@Exhaust Valve Closing

EVCR @@Emission Vacuum Control Regulator

EVE @@Electro-Vacuum EGR

EVIC @@Electronic Vehicle Information Center

EVO @@Exhaust Valve Opening

EVP @@EGR Valve Position

EVP @@EGR Valve Position (sensor)

EVR @@EGR Valve Regulator

EVR @@EGR Vacuum Regulator

EVR @@Electro-Vacuum Relay

EVR @@Electronic Vacuum Regulator

EVR @@Rlectronic Voltage Regulator

EVRV @@Electronic Vacuum Regulator Valve

EVS @@Economy Vacuum Switch

EVSA @@Electronic Variable Shock Absorber

EWD @@Rear Wheel Drive

EX @@Exhaust

EX @@Examined

EX @@Excess

EX @@Exciter

EX @@Expanding

EX @@For Example

EXC @@Exhaust Close

Exc. @@Except

Exch @@Exchange

EXH @@Exhibition

Exh @@Exhaust

EXH V @@Exhaust Valve

EXO @@Exhaust Open

EXT @@Extend, Extension

EXT @@Exterior, External

EXT @@Extra

EXT @@Extinguisher

Ext @@Exterior

EXT W @@Extension Wire

EXV @@Exhaust Valve

F @@Fahrenheit

F @@*Front *Fiele *Force *Farad *Full *Finish *Fine *

F/A @@Fuel-Air Ratio

F/B @@Feedback

F/B @@Fuse Block

F/F @@Front Engine/Front Wheel Drive

F/Rly @@Pnl Fuse/Relay Panel

FA @@Failure Analysis

FA @@First Aid

FA @@Fuel Additives

FAC @@Force-Air Cooling

FACS @@Full Auto Choke system

FAI @@Fresh Air Intake

FAT @@Factory Acceptance Test

FB @@Feed Back Carburetor Control

FB @@Fuel Bck-Up

FB @@Feedback

FB @@Fire Brigade

FB @@Feight Bill

FBC @@Feedback Carburetor

FBP @@Final Boiling Point

FC @@Electro-Drive Fan

FC @@Fan Control

FC @@Fuel Cut

FC @@Fuel Cutout

FC @@Fuel Consumption

FCC @@Facilities Control Consol

FCC @@Fluidized Catalytic Cracker

FCGA @@Facility Gauge

FCO @@Fuel Cut-Off

FCS @@Fuel Control System

FCS @@Fuel Cut Solenoid Valve

FCT @@Fan Control Temperature

FCU @@Fuel Control Unit

FCV @@Fuel Cut Valve

FCV @@Fuel Cutout Valve

FD @@Face of Drawing

FD @@Forced Draft

FD @@Frequency Doubler

FD @@Function Devices

FDC @@Fuel Deceleration Control

FDN @@Foundation

FDV @@Forward Delay Valve

FDV @@Fuel Decel Valve

FE @@For Example

FE/RD @@Front Engine/Rear Drive

Fed @@Federal

FEM @@Fuel Economy Meter

FEM @@Finite Element Method

FES @@Fuel Evaporation System

FES @@Flash Evaporator System

FET @@Field Effect Transistor

FF @@Front Engine Front Drive

FF @@Fixed Fee

FF @@Flip-Flop

FF @@Fuel Flow

FF @@Full Figure

FFB @@Fuel Feed Back

FFCS @@Fuel Flow Control System

FFOT @@Ford Fixed Orifice Tube

FFT @@Fast Foourier Transform

FGS @@First Gear Switch

FI @@For Instance

FI @@Fuel Injection

FIA @@Fast Idle Actuator

FIA @@Federation Iternational Auomobile

FIAC @@Fast Idle Air Cylinder

FIAT @@Fabbrica Italiana Automobile Torino (

FIC @@Fast Idle Cam

FICD @@Fuel Injection Control Device

FICD @@Fast Idle Control Device

FID @@Fast Idle Device

FID @@Flame Ionization Detecter

FIE @@Fuel Injection Equipment

FIO @@For Information Only

FIO @@Free In and Out

FIP @@Fuel Injection Pump

FIPL @@Fuel Injector Pump Lever

FIPO @@Fast Idle Pull Off

FIPOT @@Fast Idle Dashpot

FIPS @@Fluorescent Indicator Panels

FIR @@Facility Installation Review

FIR @@Facility Interference Review

FIR @@Fuel Indicator Reading

FIREX @@Fire Extinguisher

FISR @@Fast Idle Solenoid Relay

FL @@Fixed Load

FL @@Flow Limited

FL @@Full Load

FLC @@Fluid Link Converter

FLI @@Fluid Level Indicator

FLP @@Fault Location Panel

Flshr. @@Flasher

FLT @@Full-Load Torque

FLTR @@Filter

FLU @@Fault Location Unit

FM @@Field Magnet

FM @@Field Manual

FM @@Field Modification

FM @@Frequency Modulation

FMA @@Failure Mode Analysis

FMEA @@Failure Mode Effects Analysis

FMEM @@Failure Mode Effects Management

FMR @@Fuel Metering Rod

FMVSS @@Federal Motor Vehicle Safety Standard

FNP @@Fusion Point

Fnt @@Front

Fnt WD @@Front Wheel Drive

FO @@Fast Operating Relay

FO @@Firing Order

FO @@Fuel Oil

FOR @@Fuel Oil Return

FOR @@Free On Rail

FOR @@Fuel Oil Return

FP @@Fuel Pump

FP @@Fuel Pump Relay

FP @@Friction Power

FP @@Feed Pump

FP @@Flash Point

FP @@Fire Proof

FP @@Foot-Pound

FP @@Freezing Point

FP @@Film and Paper Condenser

FP @@Finished Pieces

FP @@Fire Plug

FP @@Fixed Price

FP @@Fully Paid

FPC @@Fuel Pump Controller

FPM @@Fuel Pump Monitor

FPR @@Fuel Pressure Regulator

FPRC @@Fuel Pressure Regulator Control

FPRVSV @@Fuel Pressure Regulator Vacuum

G @@Grams

G @@Center of Gravity

G @@Generator

G @@Ground

G @@Acceleration of Gravity

G @@Gas

G @@General

GA @@General Arrangement

GA @@General Average

Ga @@Gauge

GAL @@Gallon

GAL @@Galileo

GAS.F @@Gas Filter

GAWR @@Gross Axle Weight Rating (US)

GAWR @@Gross Axle Weight Rear

GC @@Gravity Center

GC @@Gas Chromatography

GCM @@Covernor Control Module

GCU @@Generator Control Unit

GCW @@Gross Combination Weight (US)

GDS @@Goods

GE @@Glaenzer External Joint

Gen @@Generator

GFRP @@Glass Fiber Reinforced Plastics

GG @@Gas Generator

GI @@Glaenzer Inboard Joint

GL @@Grand Luxurious

GM @@Gram

GM @@General Manager

GM @@General Motors Corporation

GM @@Governor Motor

GM @@Metacentric Height

GM @@Geometric Mean

GM @@Greenwich Meridian

GM @@Guided Missile

GMC @@General Motors Corporation

GMCVT @@General Motor*Continuously Variable Transmision

Gnd @@Ground

Gov @@Governor

GP @@General Purpose

GP @@Geometric Progression

GP @@Gear Ratio

GPHM @@Gallons Per Hundred Miles

GPM @@Gallons Per Minute

GPS @@Global Positioning System

GR AB @@Grade Ability

GRN @@Green

GRY @@Gray

GS @@Grand Sporty

GSC @@Governor Speed Converter

GSS @@Gear Select Switch

GSS @@Grand Sporty Sedan

GT @@Grand Touring Car

GT @@Gas Turbine

GT @@Grand Touring Car

GTW @@Gross Train Weight

GTW @@Gross Trailer Weight

GVW @@Gross Vehicle Weight

GVWR @@Gross Vehicle Weight Rating

GVWR @@Gross Vehicle Weight Rear

GW @@Gross Weight

GW @@Guided Weapon

H @@*High Speed *Hight *Hour *Head *Heavy *Heavy *Hot *Henry *

H @@Hardness

H @@Head

H @@Height

H @@Henry

H @@Hour

H @@Hydrogen

H @@Magnetic Field Intensity

H.D. @@High Density

H/D @@Headlight

H/D @@Heavy Duty

H/D @@Heater/Defroster

HA @@Hectare

HA @@High Altitude

HA @@High Amplitude

HAC @@High Altitude Compensator

HAC S/W @@High Altitued Compensation Switch

HACV @@Hot Air Control Valve

HADV @@Heated Air Delay Valve

HAI @@Heated Air Intake

Harn @@Harness

HAS @@High Altitude System

HATSV @@Heated Air Temperature Sensing Valve

Haz @@Hazard

HBV @@Heater Blower Voltage

HC @@Hydrocarbons

HCV @@Heat Control Valve

HCV @@Hot Control Valve

HD @@Heavy Duty

HDAC @@Heater, Defroster, Air Conditioning Assembly

HDC @@Heavy Duty Cooling

HDL @@Headlamp

HDPE @@High-Density Polyethylene

HDT @@Heavy Duty Truck

HDT @@Heat Distortion

HDT @@Heat Distortion Temperature

HEA @@Heater Evaporator Assembly

Head Lt@@Headlight

HEDF @@High Speed Electro-Drive Fan

HEF @@High-Energy Fuels

HEGO @@Heated Exhaust Gas Oxygen Sensor

HEI @@High Energy Ignition

HELP @@High-Energy Level Pneumatic Bumper

HEXCH @@Heat Exchanger

HF @@High Frequency

HFC @@High Speed Electro-Drive Fan

HFP @@High Fuel Pump

Hgt @@Height

HGV @@Heavy Goods Vehicle

HHV @@High Heating value

HI @@High Beam

Hi @@High

HI ALT @@High Altitude

HI ALT @@High Altitude

HI-FI @@High Fidelity

HI-Q @@High Quality Factor

Hi-Spd @@High Speed

HIC @@Hot Idle Compensator

HIC @@High Intensity Discharge Headlight

HIC @@Head Injury Criterion

HIC @@Hybrid Integrated Circuit Igniter Unit

HL @@Head Light

HL @@Hardening Liquid

HL @@Horizontal Line

HLOS @@Hardware Limited Operation Strategy

HM @@Hydraulic Motor

HMOS @@High-Performance Metal-Oxide-Silicon Device

HNDL @@Handle

HO @@High Ouput

HOBC @@High Octane Blending Compound

HOE @@Hydraulically Operated Equipment

HOS2 @@Heated Exhaust Gas Oxygen Sensor

Hot Idle Comp Vlv @@Hot Idle Compensator Valve

HOVI @@Handbook of Overhaul Instructions

HP @@Horse Power

HP @@High Performance

HP @@High Pressure

HP @@Hydraulic Pump

HP @@Harmonical Progression

HP @@High Pass

HP @@High Power

HP @@Hip Point

HP @@Horizontal Parallax

HP @@Horizontal Plane

HP @@Hot Press

HPC @@High Pressure Chamber

HPR @@High Penetration Resistance

HPR @@High Pressure Governor

HPR @@Horse Power/Hour

HPV @@Honda Progressive Valve

HR @@Heart Rate

Hrn. @@Horn

HRS @@Hot Rolled Steel

HS @@Helical Spring

HS @@High Speed

HSC @@High Swirl Combustion(engine)

Hsg. @@Housing

HSGT @@High Speed Ground Transportation

HSI @@High Speed Input

HSO @@High Speed Output

HSP @@High Swirl Port

HT @@High Temperature

HT @@High Tension

HT @@Oxygen Sensor Heater

HTCC @@High-Turbulence Combustion Chamber

HTD @@High Torque Drive

HTR @@Heater

HTR @@Heavy Truck

HUCR @@Highest Useful Compression Ration

HVAC @@Heating, Ventilation and Air Conditioning

HVACM @@Heater-Vent-Air Conditioning Module HVAC

HVM @@Heater-Vent-Module

HW @@Half-Wave

HW @@Head Wind

HW @@Herewith

HW @@Hot Water

HW @@Hand-Wheel Angle

HWA @@Hot-Wire Anemometer

HWFET @@Highway Fuel Economy Test

HWTorq @@Hand-Wheel-Torque

HWY @@Highway

HY.S @@Hydropneumatic Suspension

Hyd. @@Hydraulic

HZ @@Hertz

I @@*Intension *Intermediate *

I-LE @@In-Line Engine

I-TEC @@Isuzu Total Electronic Control

I.CAS @@Isuzu Clean Air System

I.D @@Inside Diameter

I.T. @@Ignition Timing

I/O @@Input/Output

I/P @@Instrument Panel

IA @@Input Axis

IAC @@Idle Air Control

IAC @@Idle Air Control Motor

IACV @@Idle Air Control Valve

IAF @@International Automobile Federation

IAS @@Idle Air Stepper

IAS @@Idle Air Solenoid

IAT @@Intake Air Temperature Sensor

IB @@Interior Lights Control

IBP @@Integral Back-Pressure

IBT @@Iniitial Brake Lining Temperature

IC @@Idle Compensator

IC @@Integrated Circuit

IC @@Ignition Control

IC @@Inductance-Capacitance

IC @@Intermediate Circuit

IC @@Internal Connection

IC @@Intake Valve Closes

IC @@Interal Combustion Engine

ICA @@Ignition Control Additive

ICAS @@Isuzu Cleaner Air System

ICE @@Internal Combustion Engine

ICEI @@Internal Combustion Engine Institute

ICM @@Ignition Control Module

ICRV @@Intake Control Rotary Valve

ICVS @@Idle Control Solenoid Vacuum Switch

ID @@Identification

ID @@Inside Diameter

ID @@Identification Inside Diameter

ID @@Inducted Draft

ID @@Intelligence Division

ID @@Item Description

ID @@Inductive Discharge (ignition)

IDI @@Integrated Direct Ignition

IDI @@Indirect Injection

IDIS @@ISUZU Dual Fuel Injection Syste

IDM @@Ignition Diagnostic Module

IE @@Index Error

IE @@Industrial Egineering

IEC @@Integrated Environmental Contro

IEE @@Institute of Environmental Engineers

IES @@Idle Enrichment System

IEV @@Idle Enricher Valve

IF @@Intermediate Frequency

IFC @@Integrated Fuel Control

IFS @@Inertia Fuel Shutoff

IFS @@Independent Front Suspension

IGC @@Ignition Contrlooed Module

IGCM @@Ignition Control Module

IGN @@Ignition

Ign Gnd @@Ignition Ground

Ign.Mod.Sens. @@Ignition Module Sensor

IGSW @@Igntion Switch

IGT @@Igniter

IHC @@Inlet Heat Control

IHP @@Indicated Horse Power

IIA @@Integrated Ignition Assembly

ILC @@Idle Load Control

ILC @@Idle Load Compensator

ILC @@Idle Limitter Cap

ILC @@Integrated Liquid Coupled(system)

Illum @@Illumination

IM @@Impulse Modulation

IM @@Induction Motor

IM @@Inspection Manual

IM @@Index Manual

IMA @@Idle Mixture Adjuster

IMCS @@Improved Combustion System

IMD @@Ignition Monitor Detect

IMECHE @@Instiution of Mechanical Engineers(UK)

IMEP @@Indicated Mean Effective Pressure

IMI @@Institute of the Motor Industry (UK)

IMP @@Impact

IMP @@Impeller

IMP @@Impulse

IMP @@Integrated Monitor Panel

IMRC @@Intake Manifold Runner Control

IMS @@Ignition Module Select

IN @@*Inch *Intake *

In @@Inch or Inches

In @@Input

In Lbs @@Inch Pounds

IN.HG @@Inches of Mercury

INC @@Intake Close

INC @@Incinerator

INC @@Incorporated

INC @@Inclusive

INC @@Increase

INC @@Inlet Close

Incand @@Incandescent

ind @@Indicator

Infl @@Inflate

INFL REST @@Inflatable Restrain

INFL. @@Inflate

Info @@Information

Ing @@Ignition

Inhib. @@Inhibitor

INJ @@Injector

Inj. @@Injector or Injection

INJ1 @@Injector Bank #1 or Injector #1

INJ2 @@Injector Bank #2 or Injector #2

INO @@Intake Open

Inp @@Input

Inst @@Instrument

Inst Clstr @@Instrument Cluster

Int @@Interior

Interm @@Intermittent

Intgrtd @@Integrated

Intgrtn @@Integration

Intrpt @@Interrupt

INVECS @@Intelligent and Innovation Vehicle Electric Control System (

Invrtr @@Inverter

IO @@Intake Valve Opens

IOE @@Inlet Over Exhaust(valves)

IOS @@Instrumentation Operations Station

IP @@Instrument Panel

IP @@Impact Point

IP @@Induction Period

IP @@Initial Point

IP @@Inside Primary

IP @@Intersecting Point

IP @@Initial Phase

IP @@Ignition Point

IP @@Iron Pipe

IP @@Indicated Power

IP @@Instument Panel

IPC @@Instrument Panel Cluster

IPS @@Ignition Pressure Switch

IR @@Infrared

IRCM @@Integral Relay Control Module

IRS @@Independent Rear Suspension

IRT @@Infrared Radiation Thermometer

IS @@Idle Switch

IS @@Independent Suspension

ISA @@Idle Speed Actuator

ISA @@International Standard Atmosphere

ISC @@Idle Speed Control

ISC @@Idle Speed Compensator

ISC 1 IAC @@Motor No.1 Coil IAC

ISC 2 IAC @@Motor No.2 Coil IAC

ISC 3 IAC @@Motor No.3 Coil IAC

ISC 4 IAC @@Motor No.4 Coil IAC

ISC F/R @@Idle Speed Control DC Motor Forward/Reverse

ISC-BYPA @@Idle Speed Control-Bypass Air

ISC-DCM @@Idle Speed Control Direct Current Motor

ISC-ENA @@Idle Speed Control DC Motor Enable

ISC-PW @@Idle Speed Control Pulse Width Drive

ISCSMA.B @@Idle Speed Control Stepper Motor Winding A or B

ISCV @@Idle Speed Control Valve

ISFC @@Indicated Specific Fuel Consumption

ISO @@International Standards Organization

ISS @@Idle Stop Solenoid

ISS @@Industry Standard Specifications

ISV @@Idle Silence Valve

ISYNC @@Injector Synchronizing Sensor

ITC @@Intake Air Temperature Compensator

ITCS @@Ignition Timing Control System

ITS @@Idle Tracking Switch

ITVS @@Ignition Timing Vacuum Switch

IVC @@Inlet Valve Closed

IVC @@Intake Valve Closing

IVO @@Inlet Valve Open

IVPWR @@Internal Power Supply Voltage

IVR @@Instrument Voltage Regulator

IVSC @@Integrated Vehicle Speed Control

IVSV @@Idle Vacuum Switching Valve

IVT @@Infinitely Variable Transmission

IVT @@Intake Valve Throttle(engine)

IVT @@Intake Valve Throttle

IVV @@Idle Vacuum Valve

J @@Joule

J.J. @@Jungle Jeep

J/B @@Junction Block

J/B @@Junction Box

JACV @@Jet Air Control Valve

JAF @@Japan Automobile Federation

JAMA @@Japan Automotive Manufacturers Association inc

JAPIA @@Japan Auto Parts Industries Association

JARI @@Japan Automobile Research Institute,inc

JAS @@Jet Air System

JASP @@Jet Air Suction Port

JATMA @@the Japan Automobile Tire Manufacturers* Association,inc

JD @@Judging Distance

JES @@Japan Engineering Standards

JFET @@Junction Type Field Effect Transistor

JIS @@Japan Industrial Standards

Jmpr. @@Jumper

JSME @@Japanese Society of Mechanical Engineers

Junc @@Junction

JW @@Jacket of Water

JW @@Jacket Water(charge air cooling system

K @@*Kilo *Absolute Temperature

K-B @@Keyboard

K.R. @@Knock Rating

k/ohms @@1000 Ohms

KA @@Kiloamper

KAM @@Keep Alive Memory

KAPWR @@Keep Alive Power

KARMAN VAFM @@Karman Vortices Air Flow Meter

KC @@Kilocycle

KCAL @@Kilocalorie

KCS @@Knock Control System

KD @@Knocked Down

KOEO @@Key On, Engine Off

KOER @@Key On, Engine Running

KEYPWR @@Key Power

kg @@Kilograms

kg/cm2 @@Kilograms Per Square Centimeter

KI @@Knoch Input

KKM @@Kreiskolben Motor

KLCR @@Knock Limited Comperssion Ratio

KLSA @@Knock Limit Spark Angle

KM/H @@Kilometers Per Hour

KM/L @@Kilometers/Liter

KNK @@Knock Sensor

KNOCK @@Knock Sensor

KOEO @@Key On Engine Off

KOER @@Key On Engine Running

KPH @@Kilometer Per Hour

KRA @@Kilopascals

KRT @@Cathode-Ray Tube

KS @@Knock Sensor

KS SYSTEM @@Knock Sensor Sysetem

KTS @@Knock Threshold Select

KV @@Kiolvolts

KVIS @@Kinematic Viscosity

KW @@Kilo-Watt

L @@Liter

L @@L-head engine

L @@L-jetronic

L @@*Lift *Light *Loosen *Liter *Limit *Luxurious *Length *Low *

L Fnt @@Left Front

L-4 @@Four Cylinder In-Line(engine)

L-6 @@Six Cylinder In-Line(engine)

L-R @@Lean-to-Rich(swich)

L-R @@Left-Right

L.Fnt. @@Left Front

L.O. @@Lubrication Oil

L/D @@Light Duty (Emissions)

L/D @@Light Duty

L4 @@Straight 4-Cylinder

L6 @@Straight 6-Cylinder

LAB @@Laboratory

Lat @@Latched

LB @@Pound

LB @@Lifeboat

LB @@Light Bracket

LB @@Line Busy

LB @@Local Battery

LB.FT. @@Pound Feet

LB.IN. @@Pound Inch

Lbs. @@Pounds

LCD @@Liquid Crystal Display

LCL @@Less Than Carload

LCL @@Local

LCL @@Lower Contor Limit

LCR @@Low Compression Ratio

LCV @@Load Control Valve

LDC @@Lower Dead Center

LDC @@Long Distance Call

LDT @@Light Duty Truck

LDV @@Laser Doppler Velocimeter

LEB @@Lean -Burn Engine

LED @@Light Emitting Diode

LF @@Left Front

LFP @@Low Fuel Pump

LFT @@Left

Lftgte @@Liftgate

Lftgte. @@Liftgate

LFV @@Lateral Force Variation

LGP @@Low Ground Pressure

LH @@Left-hand

LH @@Latent Heat

LH @@Liquid Hydrogen

LH @@Lower Half

LHC @@Liquid Hydrogen Container

LHD @@Load,Haul,Dump

LHDS @@Laser Hole Drilling System

LHV @@Lower Heat value

Lic @@License

LIM @@Linear Induction Motor

LIM @@Limit

LIM @@Limiter

LITV @@Late Intake-Valve Closing(system)

LIVC @@Late Intake-Valve-Closing(engine)

Lk @@Lock

LKM @@Lamp Monitor

LLA @@Light Load Advance(device)

LLC @@Lean Limit Control

LML @@Lean Misfire Limit

Lmtr or Ltr @@Limiter

LNG @@Liquefied Natural Gas

LO @@Low

Lo @@Low

LOA @@Length Overall

LOS @@Limited Opetation Strategy

LP @@Low Pressure

LPG @@Liquefied Petroleum Gas

LPG @@Liquid Propane Gas

LPS @@Line Pressure Switch

Lps @@Lamps

LR @@Left Rear

LR @@Light Duty

LRO @@Lateral Runout

LS @@Low Speed

LSD @@Limited Slip Differential

LSD @@Limited Slip Differential Oil

LSI @@Large Scale Integrated Circuit

LSO @@Low Speed Output

LSPV @@Load Sensing Proportioning Valve

LT @@*Low-Tension *Long-Ton *

Lt @@Light

LT BL @@Light Blue

LT GRN @@Light Green

LT(S) @@Light(s)

LTBRAKE @@Leading Trailing Brake

LTL @@Long Taperd Leaf Spring

Ltr @@Lighter

Ltr @@Limiter

Lug @@Luggage

LUS @@Lock-Up Solenoid

LVDT @@Linear Variable Differential Transformer

LVI @@Low Viscocity Index

Lvl @@Level

LX @@Lux

M @@*Minute *Motor *Medium *Moment *Million *Meter *Mass *Milli *

M @@Mega

M @@Meter

M @@Milli

M @@Minute

M @@* Milliohm

M. @@Mounted

M.. @@Mark

M.. @@Mass

M @@Medium

M. @@Mile

M. @@Motor

M.P.S. @@Meters Per Second

M.T @@Motor Traction

M.T @@Motor Transport

M/C @@Mixture Control

M/C @@Manual Control

M/T @@Manual Transmission

M/V @@Mechanical/Vacuum

MA @@Milliamps

MA or MAF@@ Mass Airflow

MAA @@Motor Agents Association (UK)

MAC. @@Macadam

MAF @@Mass Air Flow

MAF @@Mass Air Flow Sensor

MAF @@Mass Air Flow

MAF RTN @@Mass Air Flow Return

MAFS @@Mass Airflow Sensor

MAFTS @@Manifold Air/Fuel Temperature Sensor

Mag @@Magnetic

MAG. @@Magneto

Maint @@Maintenance

MAJ @@Major

MAM @@Medium Automobile Maintenance

Man @@Manual

Man @@Manifold

MAN VAC @@Manifold Vacuum

Man. Stg @@Manual Steering

Man. Trans @@Manual Transaxle or Transmission

MAN.OP. @@Manually Operated

MAP @@Manifold Absolute Pressure

MAP @@Manifold Aabsolute Pressure Sensor

MARS @@Magnetic Electronic Automatic Reservation System

MAS @@Maximum Axle Spacing

MAS @@Mixture Adjust Screw

MAT @@Manifold Air Temperature

MAT @@Manifold Absolute Temperature

MAX @@Maximum

MAX CAP @@Maximum Capacity

MB @@Motor Base

MC @@Motorcar

MC @@Motorcycle

MCA @@Mitsubishi Clean Air

MCC @@Manifold Catalystic Converter

MCT @@Manifold Charge Temperature

MCU @@Microprocessor Control Unit

MCU @@Mixture Control Unit

MCV @@Mixture Control Valve

MCV @@Manifold Control Valve

MD @@Modulated Displacement

MEC @@Motronic Engine Control MOTRONIC

MECH @@Mechanical

MEM @@Memory

MEM-CAL @@Memory Calibration Chip

Mem. @@Memory

MEMA @@Motor and Equipment Manufacturers Association (

MEP @@Mean Effective Pressure

Merc @@Mercury

Mesg @@Message

Mess. @@Message

MF @@Medium Frequency

Mfd @@Microfarads

MFI @@Mechanical Fuel Injection

MFI @@Multi-Port Fuel Injection

MFJ @@Motorcycle Federation of Japan

MFWD @@Mechanical Front Wheel Drive(axle

MG @@Machine Gun

MHC or MHCV @@Manifold Heat Control Valve

MI @@Mile

Mic @@Microphone

MICS @@Mitsubishi Intelligent Cockpit System

MIG @@Metal Inert Gas (Welding)

MIL @@Malfunction Indicator Light

MIPS @@Million Instructions Per Second

Mir @@Mirror

MIRA @@Motor Industry Research Association (UK)

MISAR @@Microprocessed Sensing and Automatic Regulation

Mixt. @@Mixture

MKS @@Meter-Kilogram-Second

ML @@Motor Light

MLP @@Manual Lever Position

MLUS @@Modulated Lockup Solenoid

MM @@Millimeters

MM @@Motor Moderate

MM @@Millimeter

MMC @@Metal Matrix Composite

MMEE @@Man-Machine-Environment Engineering

MMSE @@Man-Machine System Engineering

MMV @@Manual Modulation Valve

MN @@Minute

Mod @@Module

MON @@Motor Octane Number

Mon @@Monitor

MOT @@Ministry of Transport (UK)

MPA @@Megapascal

MPC @@Manifold Pressure controlled Fuel Injection

MPC @@Manifold Pressure Control

MPC @@Manifold Pressure Controlled Fuel Injection System

MPFI @@Multi-Port Fuel Injection

MPFI @@Multi-Point Fuel Injection

MPG @@Mile Per Gallon

MPH @@Miles Per Hour

MPI @@Multi-Point Injection

MPV @@Multi-Purpose Vehicle

MS @@Mechnic Spark System

MS @@Mixture Strength

MS SYSTEM @@Mechatro Spark System

MSCD @@Multiple Spark Capacitor Discharge(ignition system)

MT @@Manual Transmission

MTA @@Managed Thermactor Air

MTCL @@Motorcycle

MTD @@Mounted

MTR @@Motorized

Mtr @@Motor

MTR VEH @@Motor Vehicle

MTRCL @@Motorcycle

MTRICL @@Motortricycle

MTRK @@Motor Truck

MTRS @@Motor Transport Repair Shop

MTZ @@Motorized

MV @@Millivolts

MV @@Mean Velocity

MVI @@Medium Viscosity Index

MVIC @@Mitsubishi Variable Induction Control

MVMA @@Motor Vehicle Manufacturers Association (

MVS @@Manifold Vacuum Switch

MWA @@Motor Wheel Brake Assembly

MWSC @@Motorcycle With a Sidecar

N @@Neutral Position

N @@*Newton *Neutral *North *Negative *

N @@Nano

N @@Negative

N @@Number

N @@Newton

N @@Neutral

N.C. @@Normally Closed

N.m @@Newton Meter

N.O. @@Normally Open

N.T. @@Number of Teeth

N.WT. @@Net Weight

N/A @@Natural Aspirate

N/A @@Not Applicable

N/A @@Natural Aspirate

N/V @@Ratio of Engine RPM to Vehicle Speed

NA @@Naturally Aspirated

NA @@Naturally Aspirated Engine

NA-DI @@Naturally Aspirated Direct Injection(engine)

NAAO @@North American Automotive Operations

NADA @@National Automotive Dealer*s Association (

NAPS @@Nissan Anti-Pollution System

NASCAR @@National Association for Stock Car Auto Racing (

NAT @@National

NAVI-5 @@New Advanced Vehicle With Intelligence-5

NAVI-5.D4 @@New Advanced Vehicle With Intelligence-5.D4

NBC @@Nuclear,Biological,Chemical

NBDEC @@Speed Based Digital Electronic Control

NC @@Normally Closed

NC @@Numerical Control

NCA @@No Color Available

NCEO @@Newconcept Engine Oil

NDIR @@Non Dispersive Infra Red Analyzer

NDIR @@Non-Dispersive Infra Red

NDIS @@Nissan Direct Ignition System

NDS @@Neutral Drive Switch

NDT @@Non Distructive Testing

Neut @@Neutral

NEUT POSI SW @@Neutral Position Switch

NFB @@Non Feeback Carburetor

NFL @@Normal Full-Load (speed)

NG @@No Go *

NGS @@Neutral Gear Switch

NHP @@Nominal Horsepower

NHTSA @@National Highway Traffic Safety Administration(US)

NICB @@National Industrial Conference Board

NICS @@Nissan Induction Control System

NL @@No-Load

NLGI @@Nationl Luburication Grease Institute

NLP @@Non Locking Retractor

NLV @@Non-Linear Valve

NLVR NLV @@Regulator NLV

NNL @@Normal No-Load (speed)

NO @@Normaliy Open

NO @@Number

NO @@Nitrogen Oxide

NO @@Nitric Oxide

NOEI @@Nitrogen Oxide Emission Index

NOP @@Nozzle Opening Pressure

NOPH @@No Parking Here!

Norm @@Normal

NOTC @@Normal Operating Temperature Control

NOX @@Oxides of Nitrogen

NP @@No Power Takeoff

NPS @@Neutral Pressure Switch

NPT @@Normal Pressure and Temperature

NR @@Natural Rubber

NS @@Nanosecond

NSET @@No-Load Setting

NSET @@No Load Opeed Setting of Governor

NSF @@National Science Foundation

NSNO @@Net Specific NO

NSW @@Park/Neutral Position Switch

NT @@Net Tons

NTEV @@Near-Term Electric Vehicle

NTHV @@Near-Term Hybrid Vehicle

NTR @@No Traffic

NUM. @@Number

NVCS @@Nissan Valve Timing Control System

NVH @@Noise, Vibration and Harshness

O @@Oxygen

O @@Off

O-RING @@O-Ring O

O.A. @@Overall

O.D @@Outside Diameter

O.N. @@Octane Number

O.S. @@Off Side

O.T. @@Oil Tight

O/D @@Over Drive

O/S @@Over Size

OAL @@Overall Length

OAPEC @@Organixation of the Arab Petroleum Exporting Countries

OASIS @@On-Line Automotive Service Information System

OBC @@On-Board Computer

OBD @@On-Board Diagnostics

OC @@Oxidation Catalyst

OC @@Oil Consumption

OC @@Open Chamber

OCC @@Output Circuit Check

OCS @@Oxidizing Catalytic Converter System

OCT ADJ @@Octane Adjust

OCT. @@Octane Number

OCV @@Oil Control Valve

OD @@Outside Diameter

OD @@Origin to Destination

OD @@Outer Diameter

ODEC @@Overdrive Engagement Control

ODI @@Oil Drain Intervals

ODO @@Odometer

OE @@Opposed-Cylinder Engine

OH @@Overhaul

OH. @@Overhang

OHC @@Over Head Camshaft

OHC @@Overhead Camshaft

OHV @@Overhead Valve

OI @@Overdrive Inhibit

OL @@Open Loop

OLTBI @@Open Loop Throttle-body Fuel Injector (system)

ON @@Octance Number

ONR @@Octane Number Rating

ONR @@Octane Number Requirement

OP-KARMAN @@Optical karman Voltices Air Flow Meter

OPEC @@Organization of Petroleum Exporting Countries

Oper @@Operated

Opt @@Options or Optional

OR @@Octane Requirements

OR @@Overload Relay

ORG @@Orange

OS @@Oxygen Sensor

OS @@Over Size

OS @@Over Steer

OSAD @@Orifice Spark Advance Control System

OSC @@Output State Check

OTCS @@Over-Temperature Control System

OTS @@Oil Temperature Switch

OVV @@Outer Vent Valve

OWC @@One Way Clutch

OX1 @@Oxygen Sensor1

OX2 @@Oxygen Sensor2

OX3 @@Sub-Oxygen Sensor3

OXD @@Oxidation Catalyst

OXS @@Oxygen Sensor

OZ @@Ounce

OZ SENSOR@@Oxygen Sensor

P @@Park

P @@Pattern Select Switch

P @@*Parking *Power *Positive *Pitch *Pilot lamp *Page *Pair *Ply *(AT

P @@Park

P @@Peta

P @@Pico

P @@Page

P @@Pitch

P @@Ply

P @@Positive

P @@Power

P @@Passable

P @@Pressure

P-AIR @@Pulse Air Induction Reactor

P-Y-R @@Pitch-Yaw-Roll

P.C. @@Pitch Circle

P.D. @@Pitch Diameter

P.F. @@Power Factor

P.S. @@Petrol Station

P.T.O. @@Power Takeoff

P.U. @@Pickup

P/B @@Power Brakes

P/C @@Printed Circuit

P/C @@Parts Catalog

P/N @@Park/Neutral

P/S @@Powder Steering

P/S Pres Sw @@Power Steering Pressure Switch

PAB @@Power-Assisted Brake

PACV @@Pulse Air Check Valve

PAF @@Pulse Air Feeder

PAI or PAIR @@Pulse Air Injection

PAIR @@Pulse Air Injection Reaction System

PAN @@Peroxy Acy1nitrate

PAS @@Pulse Air Solenoid or System

PAS @@Pulse Air Solenoid

PASS @@Passenger

PASS. @@Passenger

PAT @@Patent

PAV @@Pressure-Actuated-Venting

PBD @@Pitch Circle Diameter

PC @@Personal Computer

PC @@Program Controlled

PC @@Piece

PC @@Prechamber(engine)

PC-SOL @@Purge Control Solenoid

PCB @@Printed Circuit Board

PCC @@Part-Load Cylinder Cutout (system)

PCF @@Pounds Per Cubic Foot

PCI @@Prechamber Injection (combustion process)

PCM @@Powertrain Control Module

PCOV @@Purge Control Valve

PCSDM @@Passenger Compartment Sensor/Diagnostic Module

PCT @@Precombustion Chamber Turbocharged

PCTA @@Precombustion Chamber Turbocharged Aftercooled

PCU @@Power Conditioning Unit

PCU @@Power Control Unit

PCV @@Positive Crankcase Ventilation

PCV @@Purge Control Valve

PCV @@Pressure Control Valve

PCV VALVE @@Positive Crankcase Ventilation Valve

PD @@Protective Devices

PECV @@Power Enrichment Control Valve

PET. @@Petrol

PET. @@Petroleum

PETRL @@Petroleum

PEVR @@Power Enrichment Vacuum Regulator

PF @@Picofarad

PFAC @@Pedal Free Auto Choke

PFE @@Exhaust Pressure Transducer

PFE @@Pressure Feedback Electronic EGR

PFI @@Port Fuel Injection

PFI or PGM-FI @@Programmed Fuel Injection

PGCV @@Purge Control Valve

PGM-CARB @@Programmed Carburetor

PGM-FI @@Programmed Fuel Injection(HONDA)

PH @@Potential of Hydrogen PH

PHCV @@Power Heat Control Valve

PHDV @@Power Heat Delay Valve

PHE @@Programmable High Energy(ignition system)

PI @@Petrol-Injection

PIN @@Product Identification Number

PIP @@Profile Igntion PickUp

PIST @@Piston

PK,PK @@Park

PKG @@Package

PKG. @@Package

PL @@*Pay load *Pilot Light *

PL @@Part Load

PLBS @@Partial Lean Burn System

PLS @@Pulsating Air System

PM @@Preventive Maintenance

PM @@Powder Matallurgy

PNEU @@Pneumatic

PNK @@Pink

PNL @@Panel

PNP SWITCH @@Park/Neutral Position Switch

POS @@Positive

Postn. @@Position

Pot. @@Potentiometer

PPF @@Pounds Per Foot

PPG @@Pulses Per Gallon

PPL @@Purple

PPM @@Parts Per Million

PPS @@Ported Pressure Switch

PPS @@Progressive Power Steering

PQC @@Production Quality Control

PR @@Ply Rating

PR @@Ply-Rating(of tires)

PR-CV @@Pressure Control Valve

PR.REGUL @@Pressure Regulatior

PRC @@Programmable Ride Control

PRES @@Pressure

PRESS.REGUL @@Pressure Regulator

PRGMR @@Programmer

PRGMR. @@Primary

PRI @@Primary

PRNDL @@Park/Reverse/Neutral/Drive/Low

PROCC @@(Ford) Programmed Controlled Combustion (system)

PROG @@Programmable

PROM @@Programmable Read Only Memory

Prom. @@Programmable

PRTL @@Partial

PRV @@Pressure Regulating Valve

PRY @@Primary

PS @@Push Switch

PS @@Power Steering

PS @@Polystyrene

PS @@Pneumatic Suspension

PS @@Power-Assisted Stecring

PSCU @@Power Steering Control Unit

PSD @@Partical Shut Down

PSG @@Pressure Compensated Simple Governor

PSI @@Pound Per Square Inch

PSIA @@Pound Per Square Inch Absolute

PSON @@Programmable Speedometer/ Odometer Module

PSOV @@Purge Shutoff Valve

PSP @@Power Steering Pressure

PSPS @@Power Steering Pressure Switch

PSR @@Power Steering Relay

PSS @@Pattern Select Switch

PSTC @@Power Steering Test Connector

PSV @@Pulse Air Shutoff Valve

PSV @@Public Service Vehicle

PSV @@Power Steering Valve

PT @@Part Throttle

PT. @@Pint

PTC @@Positive Temperature Coefficient

PTCH @@Positive Temperature Coefficient Heater

PTE.STA. @@Petrol Station

PTFE @@Polytetrafluoroethylene

PTO @@Power Take Off

PTOS @@Power Takeoff System

Pts @@Pints

PTU @@Partial Throttle Unlock

PURGE CV @@Purge Control Valve (canister purge valve)

PV @@Pulse Air Valve

PVA @@Ported Vacuum Advance

PVBrk @@Primary Vacuum Break

PVC @@Polyvinyl Chloride

PVCS @@Power Vlave Control System

PVFFC @@Pressure/Vacuum Fuel Filler Cap

PVS @@Ported Vacuum Switch

PW @@Pulse Width

PWM @@Pulse Width Modulated

Pwr @@Power

PWRGND @@Power Ground

PX @@Pistion Engine

Q @@*Quation *Quantity *

Q @@Quantity

Q @@Quarter

Q @@Question

Q.D. @@Quick Detachable

QC @@Quality Control

QEAV @@Quick Exhaust Air Valve

QOS @@Quick On Start System

QOS @@Quick Exhaut Valve

QPS @@Quick Pulse System

QRV @@Quick Release Valve

QSSI @@(Isuzu)Quick Start and Silent Idling System

QT. @@Quart

QTS. @@Quarts

QTY @@Quantity

QTZ @@Quartz

R @@Rear

R @@*Rate *Reverse *Rear *Radiu *Resistance *Right Side *Retard *Round *

R @@Radius

R @@Radial

R @@Right

R @@Repair

R @@Ratio

R&M @@Rapair and Maintenance

R&M @@Reliability and Maintainability

R&QC @@Reliability and Quality Control

R-4 @@Radial Four Cyl. A/C Compressor

R.C. @@Remote Control

R.F. @@Run-Flat

R.H.S. @@Right-Hand Side

R.M.M.P. @@Rich Mixture Maximum Power

R.T. @@Room Temperature

R/B @@Relay Box

R* @@Redwood Viscosity

RA @@Rockwell Hardness A Scale

RABS @@Rear Anti-Lock Brake System

RAC @@Remote Accessory Control

RAC @@Royal Automobile Club(UK)

RAD @@Radian

Rad @@Radiator

RADAR @@Radio Detecting and Ranging

RAM @@Random Access Memory

RB @@Rockwell Hardness B Scale

RBS @@Recirculating Ball Type Steering Gear

RC @@Rockwell Hardness C Scale

RCM @@Rapid Compression Machine

Rcvr @@Receiver

RD @@Road

Rdcr @@Reducer

RDLV @@Reverse Delay Valve

RDLVD @@RDLV Dual

RDLVS @@RDLV Single

RDO @@Retard Delay Orifice

RDV @@Retard Delay Valve

RE @@Rotary Engine

RE/RD @@Rear Engine/Rear Drive

REAPS @@Rotary Engine Anti-Pollution System

RECIRC @@Recirculation

Recirc @@Recirculator

Reduct @@Reduction

Ref. @@Reference

REG @@Regulator Assembly

Reg. @@Regulator

Rel @@Release

REP @@Repair

Res @@Resistor

RES @@Resistance *

Resist @@Resistance

RET @@Retard

Retrac @@Retract or Retractor

REV @@*Revolution *Reverse *

Rev @@Revolution

RF @@Right Front

RFI @@Radio Frequency Interference

RFL @@Refuel

RFV @@Redial Force Variation

RH @@Right-hand

RHD @@Right-Hand Side

Rheo @@Rheostat

Rly @@Relay

Rly. @@Up Relay Up

RM @@Relay Module

RMA @@Rubber Manufacturers Association (

RMS @@Root of Mean Square

ROM @@Read Only Memory

ROPS @@Roll-Over Protective Structure

ROSCO @@Rotating Stratified Combustion System

Rplnsg @@Replenishing

RPM @@Revolutions Per Minute

RPR @@Repair

RPS @@Revolutions Per Second

RPV @@Remotely Piloted Vehicle

RPV @@Residual Pressure Valve

RR @@Rear Engine Rear Drive

RR @@Right Rear

RR @@Rolling Resistance

Rrv. @@Revolution

RS @@Reverse Spark

RS @@Rubber Spring

RSG @@Road Speed Governor

Rsm @@Resume

RSS @@Root Square Sum

RSV @@Research Safety Vehicle

Rt @@Right

Rt.Fnt @@Right Front

Rtd @@Retard

Rtrn @@Return

RTV @@Room Temperature Vulcanizing Sealer

RU. @@Rubber

RV @@Rollover Valve

RV @@Recreational Vehicle

RV @@Relief Valve

RVI @@Recreational Vehicle Institute (US)

RVSV @@Rollover/Vapor Separator Valve

RWAL @@Rear Wheel Anti-Lock Brake

RWD @@Rear Wheel Drive

RWM @@Read/Write Memor y

S @@*South *Second *Single *Sport *Special *

S @@Second

S @@Speed

S @@Stroke

S @@Spare

S.G. @@Spark Gap

S.W. @@Switch

S/B @@Seat Belt

S/B @@Stroke-Bore Ratio

S* @@Saybolt Viscosity

SA @@Slip Angle

SA @@Semi-Automatic

SA @@Spark Advance

SA-FV @@Separator Assembly-Fuel/Vacuum

SAE @@Society of Automotive Engineers (

SAEC @@Society of Automotive Engineers of China

SAM @@Stand Alone Memory

SAME @@Secondary Air Management Control

SAS @@Secondary Air Supply

SAS @@Slow Adjust Screw

SAT @@Self Aligning Torque

Satlt @@Satellite

SAV @@Short Air Valve

SAV @@Shot Air Valve

SAVM @@Spark Advance Vacuum Modulator

SB @@Secondary Battery

SB @@Switch Board

SBC @@Single Bed Catalytic

SBC @@Single Bed Converter

SBEC @@Single Board Engine Controller

SBI @@Standard Breakerless Ignition

SBR @@Styrene Butadiene Rubber

SC @@Signal Conditioner

SC @@Stratified Charge

SC @@Signal Conditioner

SC @@Supercharge

SC @@Sub-Chamber

SCAP @@Silicon Capacitance Absolute Pressure(sensor)

SCC @@Spark Control Computer

SCCS @@Speed Control Command Switch

SCR @@Sillicon Control Rectifier

SCS @@Speed Control Switch

SCS @@Spark Control System

SCS @@Speed Controlled Spark

SCS @@Air Suction Control Solenoid

SCS @@Stabilized Combustion System

SCS @@Slip Control System

SCS @@Speed-Controlled Spark System

SCT @@Shutterstat Control Temperature

SCT C @@Scout Car

SCTO @@Spark Coolant Temperature Override

SCV @@Spark Control Valve

SCV @@Sealed Crankcase Ventilation

SCVAC @@Speed Control Vacuum

SCVG @@Scavenging

SCVNT @@Speed Control Vent

SD @@Serial Data

SD @@Super Deluxe

SD @@Spark Delay

SDA @@Speed Density Adaptive

SDC @@Semi Drop Center Rim

SDFI(SFI) @@Sequential Electronic Fuel Injection

SDM @@Supplemental Restraint System Diagnostic Module

SDU @@SRS Diagnostic Unit

SDV @@Spark Delay Valve

SDV @@Spark Deceleration Valve

SE @@Service Equipment

SEC @@*Seeond *Secondary *

Sec @@Secondary

SEC ACT @@Secondary Actuator

SEEC @@Subaru Exhaust Emission Control

SEFI @@Sequential Electronic Fuel Injection

Sel @@Selector or Selection

SEN @@Sensor

Send. @@Sender or Sending

SES @@Service Engine Soon

SF @@Side Force

SF @@Stability Factor

SFC @@Specific Fuel Consumption

SFI @@Sequential Electronic Fuel Injection

SFI @@Sequential Fuel Injection

SFOC @@Specific Fuel Oil Consumption

SFPD @@Self-Propelled

Sfty @@Safety

SG @@Specific Gravity

SG @@Spheroidal Graphite (iron)

SG @@Spark Gap

SH.ABS. @@Shock Absorber

SHED @@Sealed Housing Evaporative Determination System

SHF @@Super High Frequency

Shld @@Shield

SHO @@Super High Output

SHP @@Shaft Horrse Power

SI @@Spark Ignition

SI @@Spark Ignition Engine

SI @@System International

SI @@Spark Ingnition Engine

Sig @@Signal

Sig.Rtn @@Signal return

SIL @@Shift Indicator Light

SIPS @@Side Impackt Protection System

SIR @@Supplemental Inflatable Restraint

SL @@Solenoid

SL @@Sport & Luxurious

SLA @@Short-Long Arm Type

SMMT @@Society of Motor Manufacturers and Traders (UK)

SMT @@Sensor Modes Test

SMV @@Slow-Moving Vehicle

SN @@Signal Noise

SOF @@Soluble Organic Fraction

SOHC @@Singal-Overhead-Camshaft(engine)

SOL @@Solenoid

Sol @@Solenoid

Sol.V @@Solenoid Valve

Sole-Vac @@Solenoid Vacuum

SP @@Start Pickup

Spd @@Speed

Speedo @@Speedometer

SPFI @@Sequential Port Fuel Injection

SPI @@Single-Point Injection

SPKC @@Spark Control

SPLC @@Seat-Pan Load Cell

SPOUT @@