Definitions of Various Terms & Acronyms

Terms

Acronyms

Assemblies

TB

Throttle Body, the assembly that controls the amount of air that enters the intake plenum.

Vehicle Classifications / Models

3S

3000GT / Stealth (/ GTO), the general term for any of the three models of vehicles, or for the platform as a whole.

GTO

Gran Turismo Omologato, translates to, "grand tourer homologated" (certified for grand tourer class racing), the JDM marquee for the 3S platform.

SR

No Real Consensus - Sport Roadster, etc. basically, "sporty".

MR

Mitsubishi Racing, a stripped down trim level of the JDM GTO meant for racing with no extra bells and whistles.

3000GT

3000mL - Grant Touring, a reference to the 3.0L engine, and the grand touring class of racing, the USDM and EUDM marquee for the Mitsubishi branch of the 3S platform.

SL

Sport Luxury, used to denote the mid-range USDM 3000GT.

VR-4

Viscous Realtime 4-Wheel Drive, refers to the all-wheel drive system of the turbo models (and the GTO SR), although only the USDM 3000GT got this badging.

ES

No Real Consensus - Exclusive Sport, Executive Sedan, etc. basically, "sporty".

R/T

Road / Track, a trim level used by Dodge on a lot of their vehicles to imply that they are, "Track Ready".

TT

Twin Turbo, a vehicle which has two turbochargers.

1G / 2G / 3G

1st / 2nd / 3rd Generation, refers to the "facelifts" of the platform. Typically 1G refers to the popup era of 1991-1993 (USDM), 2G refers to the fixed headlight, blade spoiler era of 1994-1996 (USDM) and 3G refers to the fixed headlight, hoop/combat spoiler era of 1997-1999 (USDM).

4G / 6G

Refers to two series of Mitsubishi engines, 4G being an inline 4 cylinder, and 6G being a V6. The platform came with a 6G72 from the factory, but the 3.5L 6G74 is a popular swap, as is the 2.0L 4G63 from the DSM cars.

MTX / ATX

Manual / Automatic Transmission, whether the transmission in the vehicle is controlled by a computer or a manual gear shifter.

Cali / Fed Spec

California or Federal Specification Emissions, whether the vehicle has extra emissions-reducing equipment (Cali) or not (Fed).

Markets

USDM

United States Domestic Market, a vehicle manufactured to be initially sold in the United States (typically miles per hour odometer, left hand drive), does not mean manufactured in the United States.

CADM

Canada Domestic Market, a vehicle manufactured to be initially sold in Canada (typically kilometers per hour odometer, left hand drive), does not mean manufactured in Canada.

EUDM / Euro-Spec

European Domestic Market / European Specification, a vehicle manufactured to be initially sold in Europe (typically kilometers per hour odometer, right hand drive), does not mean manufactured in Europe.

AUDM

Australian Domestic Market, a vehicle manufactured to be initially sold in Australia (typically kilometers per hour odometer, right hand drive), does not mean manufactured in Australia.

JDM

Japanese Domestic Market, a vehicle manufactured to be initially sold in Japan (typically kilometers per hour odometer, right hand drive), does not mean manufactured in Japan (not all 3000GT's are JDM).

Computers

ECU / ECM

Engine Control Unit / Module, the computer that controls the fuel injection system and reports errors with the engine.

TCU / ATCU / TCM

(Automatic) Transmission Control Unit / Module, the computer that controls the shift points and reports errors with the automatic transmission.

DCC

Digital Climate Control, the computer in the higher trim levels that controlls the air conditioning and heating.

Sensors

MAF

Mass Airflow Sensor, the computer that is responsible for calculating the amount of air that enters the intake system.

IAC / ISC

Idle Air / Speed Control, a stepper motor that lets less or more air into the throttle body to account for other systems drawing power, so the alternator is not overloaded.

TPS

Throttle Position Sensor, a sensor that determines the position of the throttle butterfly valve.

CAS

Camshaft Angle Sensor, a sensor that determines what position the attached camshaft is at.

CPS

Crankshaft Position Sensor, a sensor that determines what position the crankshaft is at.