SAE - Society of Automotive Engineers
SAS - Side Auxiliary Sensor
SATC - Semi-Auto Temperature Control module
SAVDAS - Stand-Alone Vehicle Data Aquisition System
SAW - Spark Angle Word
SB - Short Box, Short Bed
SBDS - Service Bay Diagnostic System
SBEC - Single Board Engine Controller (replaced with PCM)
SBS - Supercharger Bypass Solenoid
SBT - Serial Bus Traveller
SC - Supercharger
SCA - Supplemental Coolant Additive
SCB - Supercharger Bypass
SCCA - Sports Car Club of America
SCI - Serial Communications Interface
SCIL - Steering Column/Instrument panel Lighting
SCS - Side Crash Sensor
SCTM - Seatbelt Timer Control Module
SDARS - Satellite Digital Audio Radio Service
SDM - Sensing and Diagnostic Module
SDM - Sensor Diagnostic Module
SDS - Satellite Discriminating Sensor
SDS - Shock Dampening System
SDV - Spark Delay Valve
SEFI - Sequential Electronic Fuel Injection (replaced with SFI)
SEO - Special Equipment Option
SES - Service Engine Soon (replaced with MIL)
SFI - Sequential Multiport (Electronic) Fuel Injection
SGCM - Starter/Generator Control Module
SHO - Super High Output
SIG RTN - Signal Return
SIL - Shift Indicator Lamp
SIR - Supplemental Inflatable Restraint
SIS - Side Impact Sensor
SKIM - Sentry Key Imobilizer Module
SMEC - Single Module Engine Controller (replaced with PCM)
SNSR - Sensor
SO2 - Sulphur Dioxide
SPD - Speed
SPL - Smoke Puff Limiter
SPOUT - Spark Output
SPS - Service Programming System
SRC - Selective Ride Control
SRG - Solar-Reflective Glass
SRS - Supplemental Restraint System
SS - Shift Solenoid
SSM - Suspension Steering Module
ST - Scan Tool
ST - Short Term (Fuel Trim)
STAR - Self Test Automatic Readout (tester)
STAR - Stolen Auto Recovery System
STC - Step Timing Control
STI - Self Test Input
STO - Self Test Output
STS - Service Technicians Society
SWB - Short WheelBase (see SB)
SWS - SideWall tension Sensor
TAB - Thermactor Air Bypass (replaced with AIRB)
TAC - Throttle Actuator Control
TAD - Thermactor Air Divert (replaced with AIRD)
TACH - Tachometer
TAP - Transmission Adaptive Pressure
TB - Throttle Body
TBI - Throttle Body Fuel Injection
TC - Turbocharger
TCC - Torque Converter Clutch
TCCS - Toyota Computer Controlled System
TCIL - Transmission Control Indicator Lamp
TCM - Transmission Control Module
TCS - Traction Control System
TCS - Transmission Control Switch
TDC - Top Dead Center
TDI - Toyota Direct Ignition
TEMP - Temperature
TFI - Thick Film Integrated (replaced with DI)
TFT - Transmission Fluid Temperature
TGS - Top Gear Switch
THEMIS - Thermal Management Intelligent System
THM - Turbo Hydra-Matic
THS - Transmission Hydraulic Switch
TIIS - Thermal Imaging Inspection Station
TOT - Transmission Oil Temperature
TP - Throttle Position
TPI - Tuned Port Injection
TPM - Tire Pressure Monitor
TR(s) - Transmission Range (sensor)
TSA - Thorax Side Airbag
TSB - Technical Service Bulletin
TSI - Two Speed Idle
TSS - Transmission Speed Sensor
TTS - Transmission Temperature Switch (replaced with TOT)
TV - Throttle Valve
TVR - Turbine Vane Regulator
TVS - Thermal Vacuum Switch
TVV - Thermal Vacuum Valve
TWC - Three Way Catalyst
TWC+OC - Three Way Catalyst + Oxidation Catalyst
TXV - Thermal Expansion Valve
UIDI - Up-Integrated Direct Ignition
UART - Universal Asynchronous Receiver-Transmitter
UD - Underdrive
UDDS - Urban Dynamometer Driving Schedule
ULEV - Ultra Low Emisions Vehicle
UMTS - Universal Mobile Telecommunications System
USCAR - United States Council for Automotive Research
UTQG - Uniform Tire Quality Grading
V - Volts
VAC - Vacuum
VAF - Vane Air Flow
VAF - Volume Air Flow
VAPS - Variable Assist Power Steering
VAPS - Virtual Automotive Prototyping System
VASCO - Vehicle Application-Specific Computer
VAT - Vane Air Temperature (replaced with IAT)
VAT - Visual Authoring Tool
VATS - Vehicle AntiTheft System
VB - Valve body
VCC - Viscous Converter Clutch
VCL - Vehicle Communication Link
VCM - Variable Cylinder Management
VCM - Vehicle Control Module
VCRM - Variable Control Relay Module
VDCS - Vehicle Dynamics Control System
VDIS - Vehicle Diagnostic Information System
VDOT - Variable Displacement Orifice Tube
VDS - Valve Deactivation System
VDM - Vehicle Dynamics Module
VDV - Vacuum Delay Valve
VECI - Vehicle Emission Control Information
VEDR - Vehicle Event Data Recorder
VF - Vacuum Flourescent
VGT - Variable Geometry Turbocharger
VIC - Virtual Image Cluster module
VIN - Vehicle Identification Number
VIP - Vehicle Intrusion Protection
VLCM - Variable Load Control Module
VMV - Vacuum Modulator Valve
VMV - Vapour Management Valve
VNT - Variable Nozzle Turbine
VNT - Variable Nozzle Turbocharger
VOTM - Vacuum Operated Throttle Modulator
VPWR - Vehicle Power
VR - Vacuum Regulator
VREF - Voltage Reference
VRV - Vacuum Reducer Valve
VRIS - Variable Resonance Induction System
VS - Variable Speed
VSC - Vehicle Stability Control
VSS - Vehicle Speed Sensor
VTA - Vehicle Theft Alarm
VTEC - Variable (valve) Timing (and lift)Electronic Control
VTSS - Vehicle Theft Security System
VVT-i - Variable Valve Timing with Intelligence
VVTL-i - Variable Valve Timing and Lift with Intelligence
WAC - Wide Open Throttle A/C Cutoff
W/B - Wheelbase
WCF - Wireless Communication Framework
WDS - Worldwide Diagnostic System
WIF - Water In Fuel (sensor)
WOT - Wide Open Throttle
WSS - Wheel Speed Sensor
WU-OC - Warmup Catalyst with Oxidation Catalyst
WU-TWC - Warmup Catalyst with Three Way Catalyst
WVVWS - Wireless Vehicle to Vehicle Warning System
xVDS - Extended Vehicle Diagnostic System
ZEV - Zero Emission Vehicle