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 Abbreviation |
SAE Term |
TOYOTA 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 |
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) |
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 |
- |
Removal
REMOVAL
PROCEDURE
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION:
Wait at least 90 seconds after disconnecting the cable from the negative (-)
battery terminal to disable the SRS system.
NOTICE:
When disconnecting the cable, some systems ne ...
Push Switch / Key Unlock Warning Switch Malfunction (B2780)
DESCRIPTION
This DTC is stored if the transponder key ECU assembly does not detect that the
unlock warning switch assembly is on even when the ignition switch is ON. Under
normal conditions, the unlock warning switch assembly is on when the ignition switc ...