Automotive Engineering Terms and Technology |
4WD
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Four Wheel Drive (similar to AWD)
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ABS
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Anti-lock Brake System
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ACC
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Adaptive Cruise Control (automatic speed control and adjustment of a vehicle with a car in front)
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AER
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All Electric Range (electric or hybrid vehicles)
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AKI
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Anti Knock Index (in Canada, USA and some other countries:
AKI = (R+M)/2)
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Knocking - in IC engines will run with vibratory-combustion sound with improper octane fuel
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ALPR
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Automated License Plate Recognition/Reader (camera)
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ATDC
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After TDC (spark plug ignition timing, e.g. 10 degree ATDC)
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AVI
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Automatic Vehicle Identification system
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AWD
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All Wheel Drive
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BDC
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Bottom Dead Center (bottom most point of piston in an IC engine; top
TDC)
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BTDC
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Before TDC (spark plug ignition timing, e.g. 10 degree BTDC)
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CCA
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Cold Cranking Amperes (battery capacity/rating)
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CDH
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Change Depleting Hybrid
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CEL
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Check Engine Light
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DCT
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Dual Clutch Transmission
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DLC
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Diagnostic Link Connector (vehicle diagnosis connector)
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DOHC
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Dual Overhead Cam Shaft
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DRL
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Daytime Running Lights
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DTC
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Diagnostic Trouble Codes
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ECU
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Engine Control Unit
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EFI
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Electronic Fuel Injection |
ELD
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Electronic Logging Device |
EOLCS
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Engine Oil Licensing and Certification System
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ESC
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Electronic Stability Control
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FWD
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Front Wheel Drive
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HEV
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Hybrid Electric Vehicle
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HFCV
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Hydrogen Fuel Cell Vehicle
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HID
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High-Intensity Discharge (lamp)
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HVB
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High-Voltage Battery
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HOV
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High Occupancy Vehicle (minivan, 7-seater and above, also HOV lane)
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IC
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Internal Combution (engine) or ICE
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ICE
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Internal Combution Engine
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ILSAC
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International Lubricant Specification Advisory Committee
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ITS
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Intelligent Transportation Systems (replacement to
IVHS)
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IVHS
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Intelligent Vehicle-Highway System
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IVMS
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In Vehicle Monitoring System
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JAMA
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Japan Automobile Manufacturers Association, Inc.
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KPL
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Kilometers Per Litre (worldwide fuel consumption rating)
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kwh/100m
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Kilo watt hour/100 Miles (Hybrid electric vehicle fuel consumption rating)
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LDW
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Lane Departure Warning
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LKAS
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Lane Keeping Assist System
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LNG
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Liquified Natural Gas
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LPG
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Liquified Petroleum Gas
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LPR
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License Plate Recognition (camera)
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MIL
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Malfunction Indicator Light (CEL)
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MON
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Motor Octane Number
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MPG
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Miles Per Gallon (USA fuel consumption rating)
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MPGe
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MPG of gasoline equivalent (Hybrid electric vehicle fuel consumption rating)
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NPR
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Number Plate Recognition (camera)
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OBD
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On-Board Diagnostics
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PHEV
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Plug-in Hybrid Electric Vehicle
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PHV
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Plug-in Hybrid Vehicle
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PON
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Pump Octane Number
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RON
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Research Octane Number
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RdON
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Road Octane Number
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SAE
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Society of Automotive Engineers (automotive standards governace organization, USA)
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SES
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Service Engine Soon - light/indicator
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SOHC
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Single Overhead Cam Shaft
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SRS
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Supplemental Restraint System (air bag)
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Tire Code
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Tire manufacturer's code NHTSA (USA)
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TDC
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Top Dead Center (top most point of piston in an IC engine;
bottom BDC)
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TPMS
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Tire Pressure Monitoring Sensor/System (tire pressure sensor)
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TSB
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Technical Service Bulletin
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VIN
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Vehicle Identification Number
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VTEC
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Variable Value Timing Lift Electronic Control (Honda motor company)
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ZEV
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Zero Emission Vehicle (typically electric or hybrid vehicles)
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225/60R16
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Euro-Metric size tire: 225 (mm) tire width, 60 - aspect ratio and R16 - rim diameter (inches)
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combined inch and mm specification
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P225/60R16
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P - Metric, 225 (mm) tire width, 60 - aspect ratio and R16 - rim diameter (inches)
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T135/80D16
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T - Temporary Tire, 135 (mm) tire width, 80 - aspect ratio and D16 - rim diameter (inches)
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combined metric and imperial specification
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