SAE J-1930 Information
SAE ABBREVIATIONS / TERMS TOYOTA TERMSA/C Air Conditioning Air Conditioner
ACL Air Cleaner Air Cleaner
AIR Secondary Air Injection Air Injection (AI)
B+ Battery Positive Voltage +B, Battery Voltage
CAC Charge Air Cooler Intercooler
CARB Carburetor Carburetor
CKP Crankshaft Position Crank Angle
CL Closed Loop Closed Loop
CMP Camshaft Position Cam Angle
DLCI Data Link Connector 1 1: Check Connector
DLC2 Data Link Connector 2 2: Diagnosis Communication Link
DLC3 Data Link Connector 3 3: OBDII Diagnostic Connector
DTC Diagnostic Trouble Code Diagnostic Code
ECM Engine Control Module Engine Control Module (ECM)
ECT Engine Coolant Temperature Coolant Temperature
EFE Early Fuel Evaporation Cold Mixture Heater (CMH)
EGR Exhaust Gas Recirculation Exhaust Gas Recirculation (EGR)
EI Electronic Ignition Toyota Distributorless Ignition (TDI)
EM Engine Modification Engine Modification (EM)
EVAP Evaporative Emission Evaporative Emission Control (EVAP)
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
IFI Indirect Fuel Injection Indirect Injection
KS Knock Sensor Knock Sensor
MAF Mass Air Flow Air Flow Meter
MAP Manifold Absolute Pressure Manifold Pressure Intake Vacuum
MFI Multiport Fuel Injection Electronic Fuel Injection (EFI)
MIL Malfunction Indicator Lamp Check Engine Light
O2S Oxygen Sensor Oxygen Sensor, O2, Sensor (O2S)
OBD On-Board Diagnostic On-Board Diagnostic (OBD)
OC Oxidation Catalytic Converter Oxidation Catalyst Converter
OP Open Loop Open Loop
PAIR Pulsed Secondary Air Injection Air Suction (AS)
PROM Programmable Read Only Memory Programmable Read Only Memory
RAM Random Access Memory Random Access Memory (RAM)
ROM Read Only Memory Read Only Memory (ROM)
RPM Engine Speed Engine Speed
SC Supercharger Supercharger
SFI Sequential Multiport Fuel Injection Electronic Fuel Injection
TB Throttle Body Throttle Body
TBI Throttle Body Fuel Injection Central Fuel Injection (CI)
TC Turbocharger Turbocharger
TCC Torque Converter Clutch Torque Converter
TCM Transmission Control Module Transmission ECM
TP Throttle Position Throttle Position
TWC Three-Way Catalytic Converter Three-Way Catalyst (TWC)
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