Toyota Supra JZA80

Glossary of SAE and Toyota terms

This glossary lists all SAE–J1930 terms and abbreviations used in this manual in compliance with SAE recommendations, as well as their Toyota equivalents.

SAE abbreviations SAE terms Toyota terms ( )-- abbreviations
A/C Air Conditioning Air Conditioner
ACL Air Cleaner Air Cleaner
AIR Secondary Air Injection Air Injection (AI)
AP Accelerator Pedal
B+ Battery Positive Voltage +B, Battery Voltage
BARO Barometric Pressure
CAC Charge Air Cooler Intercooler
CARB Carburetor Carburetor
CFI Continuous Fuel Injection
CKP Crankshaft Position Crank Angle
CL Closed Loop Closed Loop
CMP Camshaft Position Cam Angle
CPP Clutch Pedal Position
CTOX Continuous Trap Oxidizer
CTP Closed Throttle Position
DFI Direct Fuel Injection (Diesel) Direct Injection (DI)
DI Distributor Ignition
DLC1 Data Link Connector 1 1: Check Connector
DLC2 Data Link Connector 2 2: Toyota Diagnosis Comunication Link (TDCL)
DLC3 Data Link Connector 3 3: OBD II Diagnostic Connector
DTC Diagnostic Trouble Code Diagnostic Code
DTM Diagnostic Test Mode
ECL Engine Control Level
ECM Engine Control Module Engine ECU (Electronic Control Unit)
ECT Engine Coolant Temperature Coolant Temperature, Water Temperature (THW)
EEPROM Electrically Erasable Programmable Read Only Memory Electrically Erasable Programmable Read Only Memory (EEPROM),
Erasable Programmable Read Only Memory (EPROM)
EFE Early Fuel Evaporation Cold Mixture Heater (CMH), Heat Control Valve (HCV)
EGR Exhaust Gas Recirculation Exhaust Gas Recirculation (EGR)
EI Electronic Ignition Toyota Distributorless Ignition (TDI)
EM Engine Modification Engine Modification (EM)
EPROM Erasable Programmable Read Only Memory Programmable Read Only Memory (PROM)
EVAP Evaporative Emission Evaporative Emission Control (EVAP)
FC Fan Control
FEEPROM Flash Electrically Erasable Programmable Read Only Memory
FEPROM Flash Erasable Programmable Read Only Memory
FF Flexible Fuel
FP Fuel Pump Fuel Pump
GEN Generator Alternator
GND Ground Ground (GND)
HO2S Heated Oxygen Sensor Heated Oxygen Sensor (HO2S)
IAC Idle Air Control Idle Speed Control (ISC)
IAT Intake Air Temperature Intake or Inlet Air Temperature
ICM Ignition Control Module
IFI Indirect Fuel Injection Indirect Injection
IFS Inertia Fuel-Shutoff
ISC Idle Speed Control
KS Knock Sensor Knock Sensor
MAF Mass Air Flow Air Flow Meter
MAP Manifold Absolute Pressure Manifold Pressure
Intake Vacuum
MC Mixture Control Electric Bleed Air Control Valve (EBCV)
Mixture Control Valve (MCV)
Electric Air Control Valve (EACV)
MDP Manifold Differential Pressure
MFI Multiport Fuel Injection Electronic Fuel Injection (EFI)
MIL Malfunction Indicator Lamp Check Engine Light
MST Manifold Surface Temperature
MVZ Manifold Vacuum Zone
NVRAM Non-Volatile Random Access Memory
O2S Oxygen Sensor Oxygen Sensor, O2 Sensor (O2 S)
OBD On-Board Diagnostic On-Board Diagnostic (OBD)
OC Oxidation Catalytic Converter Oxidation Catalyst Converter (OC), CCo
OP Open Loop Open Loop
PAIR Pulsed Secondary Air Injection Air Suction (AS)
PCM Powertrain Control Module
PNP Park/Neutral Position
PROM Programmable Read Only Memory
PSP Power Steering Pressure
PTOX Periodic Trap Oxidizer Diesel Particulate Filter (DPF)
Diesel Particulate Trap (DPT)
RAM Random Access Memory Random Access Memory (RAM)
RM Relay Module
ROM Read Only Memory Read Only Memory (ROM)
RPM Engine Speed Engine Speed
SC Supercharger Supercharger
SCB Supercharger Bypass
SFI Sequential Multiport Fuel Injection Electronic Fuel Injection (EFI), Sequential Injection
SPL Smoke Puff Limiter
SRI Service Reminder Indicator
SRT System Readiness Test
ST Scan Tool
TB Throttle Body Throttle Body
TBI Throttle Body Fuel Injection Single Point Injection
Central Fuel Injection (Ci)
TC Turbocharger Turbocharger
TCC Torque Converter Clutch Torque Converter
TCM Transmission Control Module Transmission ECU (Electronic Control Unit)
TP Throttle Position Throttle Position
TR Transmission Range
TVV Thermal Vacuum Valve Bimetallic Vacuum Switching Valve (BVSV)
Thermostatic Vacuum Switching Valve (TVSV)
TWC Three-Way Catalytic Converter Three-Way Catalytic (TWC)
TWC+OC Three-Way + Oxidation Catalytic Converter CC R + CCo
VAF Volume Air Flow Air Flow Meter
VR Voltage Regulator Voltage Regulator
VSS Vehicle Speed Sensor Vehicle Speed Sensor (Read Switch Type)
WOT Wide Open Throttle Full Throttle
WU-OC Warm Up Oxidation Catalytic Converter
WU-TWC Warm Up Three-Way Catalytic Converter Manifold Converter
3GR Third Gear
4GR Fourth Gear
This guide is based on the book edition Toyota (RM502U, 1997)