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 ABBREVIATIONS |
SAE TERMS |
TOYOTA TERMS ( )-ABBREVIATIONS |
---|---|---|
3GR |
Third Gear |
- |
4GR |
Fourth Gear |
- |
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 Air Flow |
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 Lamp |
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 Catalyst Converter (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 Air Flow |
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 |
- |
TRAC OFF Indicator Light Remains ON
DESCRIPTION
In 2WD mode:
Operation of the VSC OFF switch changes the vehicle between normal mode,
TRAC OFF mode (AUTO LSD mode) and VSC OFF mode. During normal mode, pressing
the VSC OFF switch for a short amount of time changes the vehicle to TRAC
OFF mode (AUTO LSD mode), TR ...
Main Switch Signal Circuit
DESCRIPTION
When the wireless charger main switch (mobile wireless charger switch) is turned
on, this circuit sends an on signal to the mobile wireless charger cradle assembly
using the power supplied to the wireless charger main switch (mobile wireless charger
switch).
WIRING DIAGRAM
CAU ...
Multi-terrain Select Indicator Light does not Come ON
DESCRIPTION
When the transfer gear position is L4, the multi-terrain select indicator light
illuminates and control begins.
Under any of the following conditions, the multi-terrain select system does not
begin control and the multi-terrain select indicator light does not illuminate.
Th ...