GLOSSARYABS - Anti-Lock Brakes
AC - Air Conditioning
AFR - Air/Fuel Ratio
BGB - Toyota Official Workshop manual. Named "Big Green Book" as it used to be Green, currently available as 3 different sections.
BOV - Blow Off Valve, otherwise known as Dump Valve, vents excess Turbo pressure to extend turbo life.
BP (Corkys) - Breast Plate
C2 - brand of Turbo Kit
CAI - Cold Air Induction
CAT - Catalytic Convertor
CC - Charge Cooler (C/C)
CEL - Check Engine Light
CPS Crankshaft Position Sensor OR Camshaft Position Sensor
DECAT Removal of catalytic converters in the exhaust manifold
DOT - Industry standard grades of brake fluid (2,3,4,5 or 5.1), named after the U.S Dept of Transport
Dump valve - see BOV
ECU - Engine Control Unit
EGT - Exhaust Gas Temperature
EML - Engine Management Light
EMU - Engine Management Unit
EOBD - European On Board Diagnostics (see also OBDII)
EPC - Electronic Parts Catalogue
FL - Facelift (later version of Roadster) Can be used to refer to parts unique to this version
FMB - Front Member Brace
FPR - Fuel Pressure Regulator
FST - Front Strut Tower
[brace]
GB - Forum shorthand for "Group Buy"
Hass - brand of Turbo Kit
Header - American term for exhaust manifold
HEGO - Heated Exhaust Gas Oxygen [sensor]
H/U - Head Unit (car stereo)
IAC - Idle Air Control (valve)
IC - Intercooler (I/C)
IGN - Ignition
JDM - Japanese Domestic Market (i.e. Japanese-only parts or cars)
JOBD - Japanese On Board Diagnostics
J-Spec - Japanese-specification (see JDM)
LCD - Liquid Crystal Display
LED - Light Emitting Diode
LSD - Limited Slip Differential
LTFT - Long Term fuel Trim
MAF - Mass Air Flow (Sensor)
MAP - Manifold Absolute Pressure (Sensor)
MR2 - Midship Runabout Two-Seater
MrT - Toyota Dealer
MSMB - Mid Ship Member Brace
O2 - Oxygen Sensor (in the Exhaust for Emissions Control)
OBDII - OnBoard Diagnostics (II) - the standard used to read ECU information. (II is the later European version)
OCV - Oil Control Valve
OEM - Original Equipment Manufacturer
PCD - Pitch Circle Diameter (the diameter of the imaginary circle your wheel nuts sit on)
PCV - Positive Crankcase Ventilation
PE - Power Enterprises: a Japanese Tuning Company
PFL - Pre Face Lift (early Roadster) Can be used to refer to parts unique to this version
P/N - Part Number
Precat - pre-CAT (small CATs prior to the main CAT)
RLCB - Rear Lower Cross Brace
RMB - Rear Member Brace
RON - Research Octane Rating (a measure of the resistance to pre-ignition of petrol)
RST - Rear Strut Tower [brace]
SMT - Sequential Manual Transmission
SP - Silverstone Performance. Former Affiliate, no longer trading.
STFT - Short Term Fuel Trim
Stoich. - Stoichiometric (the 'ideal' air/fuel ratio, or AFR = 14.7:1)
TB - Throttle Body
TC - Traction Control
TF300 - "The Final 300" special edition MR2s in 2006/7
TFT - Thin Film Transistor
TPS - Throttle Position Sensor
TRD - Toyota Racing Development
TTE - Toyota Team Europe
TTET - Toyota Team Europe Turbo
VE/VME - Volumetric Efficiency
VSV - Vacuum Solenoid Valve
VVTi - Variable Valve Timing-intelligent
VVTLi - Variable Valve Timing and Lift-intelligent
WI - Water Injection
WOT - Wide Open Throttle
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