GLOSSARY OF SAE AND LEXUS TERMS
This glossary lists all SAE-J1930 terms and abbreviations used in this manual in compliance with SAE recommendations, as well as their LEXUS equivalents.
SAE Abbreviation | SAE Term | LEXUS Term ( )-Abbreviation |
---|---|---|
A/C | Air Conditioning | Air Conditioner |
ACL | Air Cleaner | Air Cleaner, A/CL |
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 | LL ON, Idle ON |
DFI | Direct Fuel Injection | Direct Injection (DI./INJ) |
DI | Distributor Ignition | - |
DLC3 | Data Link Connector 3 | OBD II Diagnostic Connector |
DTC | Diagnostic Trouble Code | Diagnostic Trouble Code |
DTM | Diagnostic Test Mode | - |
ECL | Engine Coolant Level | - |
ECM | Engine Control Module | Engine Electronic Control Unit (ECU) |
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 | Distributorless Ignition (DLI) |
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 (IDL) |
IFS | Inertia Fuel-Shutoff | - |
ISC | Idle Speed Control | - |
KS | Knock Sensor | Knock Sensor |
MAF | Mass Airflow | 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 (O2S) |
OBD | On-Board Diagnostic | On-Board Diagnostic System (OBD) |
OC | Oxidation Catalytic Converter | Oxidation Catalytic Convert (OC), CCo |
OL | 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 | E-ABV |
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, ECT ECU |
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) Manifold Converter CCRO |
TWC+OC | Three-Way + Oxidation Catalytic Converter | CCR + CCo |
VAF | Volume Airflow | Air Flow Meter |
VR | Voltage Regulator | Voltage Regulator |
VSS | Vehicle Speed Sensor | Vehicle Speed Sensor |
WOT | Wide Open Throttle | Full Throttle |
WU-OC | Warm Up Oxidation Catalytic Converter | - |
WU-TWC | Warm Up Three-Way Catalytic Converter | - |
3GR | Third Gear | - |
4GR | Fourth Gear | - |