SAE J-1930 Information

SAE ABBREVIATIONS / TERMS TOYOTA TERMS
A/C Air Conditioning Air Conditioner
ACL Air Cleaner Air Cleaner
B+ Battery Positive Voltage +B, Battery Voltage
CKP Crankshaft Position Crank Angle
CL Closed Loop Closed Loop
CMP Camshaft Position Cam Angle
DLC 1 Data Link Connector 1 Check Connector
DLC 2 Data Link Connector 2 Toyota Diagnosis Communication Link (TDCL)
DLC 3 Data Link Connector 3 OBD II Diagnostic Connector
DTC Diagnostic Trouble Code Diagnostic Code
ECM Engine Control Module Engine ECU (Electronic Control Unit)
ECT Engine Coolant Temperature Coolant Temperature, Water Temperature (THW)
EFE Early Fuel Evaporation Cold Mixture Heater (CMH)
EGR Exhaust Gas Recirculation Exhaust Gas Recirculation (EGR)
EI Electronic Ignition Toyota Distributorless Ignition (TDI)
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 Air Control (IAC)
IAT Intake Air Temperature Intake or Inlet Air Temperature
ICM Ignition Control Module Igniter
KS Knock Sensor Knock Sensor (KNK)
MAP Manifold Absolute Pressure Manifold Atmospheric Pressure
MFI Multiport Fuel Injection Electronic Fuel Injection (EFI)
MIL Malfunction Indicator Lamp Check Engine Light
02S Oxygen Sensor Oxygen Sensor. 02 Sensor (02S)
OBD On-Board Diagnostic On-Board Diagnostic (OBD)
CC Oxidation Catalytic Converter Oxidation Catalyst Converter (CC). CCo
OP Open Loop Open Loop
RPM Engine Speed Engine Speed
SFI Sequential Multiport Electronic Sequential Fuel Injection (EFI).
Fuel Injection
TB Throttle Body Throttle Body
TC Turbocharger Turbocharger
TCC Torque Converter Clutch Torque Converter
TCM Transmission Control Module Transmission ECU (Electronic Control Unit)
TP Throttle Position Throttle Position
TVV Thermal Vacuum Valve Thermostatic Vacuum Switching Valve (TVSV)
- - Bimetallic Vacuum Switching Valve (BVSV)
- - Thermo Vacuum Valve (TVV)
TWC Three-Way Catalytic Converter Three-Way Catalyst (TWC)
TWC Three-Way + Oxidation CC3 + CCo
OC Catalytic Converter Oxidizing Catalyst
VR Voltage Regulator Voltage Regulator
VSS Vehicle Speed Sensor Vehicle Speed Sensor (Read Switch Type)
WOT Wide Open Throttle Full Throttle
WU- Warm Up Three-Way Manifold Converter
TWC Catalytic Converter Three-way Catalytic Converter
VAF Volume Air Flow Volume Air Flow
VSS Vehicle Speed Sensor Vehicle Speed Sensor