GLOSSARY OF SAE AND LEXUS TERMS
Specifications
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 ABBREVIATIONS |
SAE TERMS |
LEXUS TERMS ( )-ABBREVIATIONS |
| 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 |
HAC |
| 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 Light |
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 |
- |