Terms & Abbreviations
WARNING: This page is about a different car, the 2002 Toyota Sienna. However, it is still accessible from the selected car via links, so may be relevant.
ABBREVIATIONS USED BY TOYOTA
| Abbreviations/Meaning | |
|---|---|
| ABS | Anti-Lock Brake System |
| AC | Alternating Current |
| ACC | Accessory |
| ACIS | Acoustic Control Induction System |
| ACSD | Automatic Cold Start Device |
| A.D.D. | Automatic Disconnecting Differential |
| A/F | Air Fuel Ratio |
| AHC | Active Height Control Suspension |
| ALR | Automatic Locking Retractor |
| ALT | Alternator |
| AMP | Amplifier |
| ANT | Antenna |
| APPROX. | Approximately |
| A/T | Automatic Transmission (Transaxle) |
| ATF | Automatic Transmission Fluid |
| AUTO | Automatic |
| AUX | Auxiliary |
| AVG | Average |
| AVS | Adaptive Variable Suspension |
| BA | Brake Assist |
| BACS | Boost Altitude Compensation System |
| BAT | Battery |
| BDC | Bottom Dead Center |
| B/L | Bi-Level |
| B/S | Bore-Stroke Ratio |
| BTDC | Before Top Dead Center |
| BVSV | Bimetallic Vacuum Switching Valve |
| Calif. | California |
| CB | Circuit Breaker |
| CCo | Catalytic Converter For Oxidation |
| CD | Compact Disc |
| CF | Cornering Force |
| CG | Center Of Gravity |
| CH | Channel |
| COMB. | Combination |
| CPE | Coupe |
| CPS | Combustion Pressure Sensor |
| CPU | Central Processing Unit |
| CRS | Child Restraint System |
| CTR | Center |
| C/V | Check Valve |
| CV | Control Valve |
| CW | Curb Weight |
| DC | Direct Current |
| DEF | Defogger |
| DFL | Deflector |
| DIFF. | Differential |
| DIFF. LOCK | Differential Lock |
| D/INJ | Direct Injection |
| DLI | Distributorless Ignition |
| DOHC | Double Over Head Cam |
| DP | Dash Pot |
| DS | Dead Soak |
| DSP | Digital Signal Processor |
| EBD | Electronic Brake Force Distribution |
| ECAM | Engine Control And Measurement System |
| ECD | Electronic Controlled Diesel |
| ECDY | Eddy Current Dynamometer |
| ECU | Electronic Control Unit |
| ED | Electro-Deposited Coating |
| EDIC | Electric Diesel Injection Control |
| EDU | Electronic Driving Unit |
| EFI | Electronic Fuel Injection |
| E/G | Engine |
| EGR-VM | Exhaust Gas Recirculation-Vacuum Modulator |
| ELR | Emergency Locking Retractor |
| ENG | Engine |
| ESA | Electronic Spark Advance |
| ETCS | Electronic Throttle Control System |
| EVP | Evaporator |
| E-VRV | Electric Vacuum Regulating Valve |
| EXH | Exhaust |
| FE | Fuel Economy |
| FF | Front-Engine Front-Wheel-Drive |
| F/G | Fuel Gage |
| FIPG | Formed In Place Gasket |
| FL | Fusible Link |
| F/P | Fuel Pump |
| FPU | Fuel Pressure Up |
| Fr | Front |
| FR | Front-Engine Rear-Wheel-Drive |
| F/W | Flywheel |
| FW/D | Flywheel Damper |
| FWD | Front-Wheel-Drive |
| GAS | Gasoline |
| GSA | Gear Shift Actuator |
| GND | Ground |
| HAC | High Altitude Compensator |
| H/B | Hatchback |
| H-FUSE | High Current Fuse |
| HI | High |
| HID | High Intensity Discharge (Head Lamp) |
| HPU | Hydraulic Power Unit |
| HSG | Housing |
| HT | Hard Top |
| HWS | Heated Windshield System |
| IAC | Idle Air Control |
| IC | Integrated Circuit |
| IDI | Indirect Diesel Injection |
| IFS | Independent Front Suspension |
| IG | Ignition |
| IIA | Integrated Ignition Assembly |
| IN | Intake (Manifold, Valve) |
| INT | Intermittent |
| I/P | Instrument Panel |
| IRS | Independent Rear Suspension |
| J/B | Junction Block |
| J/C | Junction Connector |
| KD | Kick-Down |
| LAN | Local Area Network |
| LB | Liftback |
| LCD | Liquid Crystal Display |
| LED | Light Emitting Diode |
| LH | Left-Hand |
| LHD | Left-Hand Drive |
| L/H/W | Length, Height, Width |
| LLC | Long-Life Coolant |
| LNG | Liquefied Natural Gas |
| LO | Low |
| LPG | Liquefied Petroleum Gas |
| LSD | Limited Slip Differential |
| LSP & PV | Load Sensing Proportioning And Bypass Valve |
| LSPV | Load Sensing Proportioning Valve |
| MAX. | Maximum |
| MIC | Microphone |
| MIL | Malfunction Indicator Lamp |
| MIN. | Minimum |
| MP | Multipurpose |
| MPX | Multiplex Communication System |
| M/T | Manual Transmission (Transaxle) |
| MT | Mount |
| MTG | Mounting |
| N | Neutral |
| NA | Natural Aspiration |
| No. | Number |
| O/D | Overdrive |
| OEM | Original Equipment Manufacturing |
| OHC | Overhead Camshaft |
| OHV | Overhead Valve |
| OPT | Option |
| O/S | Oversize |
| P & BV | Proportioning And Bypass Valve |
| PCS | Power Control System |
| PCV | Positive Crankcase Ventilation |
| PKB | Parking Brake |
| PPS | Progressive Power Steering |
| PS | Power Steering |
| PTO | Power Take-Off |
| R&P | Rack And Pinion |
| R/B | Relay Block |
| RBS | Recirculating Ball Type Steering |
| R/F | Reinforcement |
| RFS | Rigid Front Suspension |
| RH | Right-Hand |
| RHD | Right-Hand Drive |
| RLY | Relay |
| ROM | Read Only Memory |
| Rr | Rear |
| RR | Rear-Engine Rear-Wheel Drive |
| RRS | Rigid Rear Suspension |
| RWD | Rear-Wheel Drive |
| SDN | Sedan |
| SEN | Sensor |
| SICS | Starting Injection Control System |
| SMT | Sequential Manual Transmission |
| SOC | State Of Charge |
| SOHC | Single Overhead Camshaft |
| SPEC | Specification |
| SPI | Single Point Injection |
| SRS | Supplemental Restraint System |
| SSM | Special Service Materials |
| SST | Special Service Tools |
| STD | Standard |
| STJ | Cold-Start Fuel Injection |
| SW | Switch |
| SYS | System |
| T/A | Transaxle |
| TACH | Tachometer |
| TBI | Throttle Body Electronic Fuel Injection |
| TC | Turbocharger |
| TCCS | TOYOTA Computer-Controlled System |
| TCV | Timing Control Valve |
| TDC | Top Dead Center |
| TEMP. | Temperature |
| TEMS | TOYOTA Electronic Modulated Suspension |
| TIS | Total Information System For Vehicle Development |
| T/M | Transmission |
| TMC | TOYOTA Motor Corporation |
| TMMK | TOYOTA Motor Manufacturing Kentucky, Inc. |
| TRAC | Traction Control System |
| TURBO | Turbocharged |
| U/D | Underdrive |
| U/S | Undersize |
| VCV | Vacuum Control Valve |
| VENT | Ventilator |
| VIN | Vehicle Identification Number |
| VPS | Variable Power Steering |
| VSC | Vehicle Skid Control |
| VSV | Vacuum Switching Valve |
| VTV | Vacuum Transmitting Valve |
| W/ | With |
| WGN | Wagon |
| W/H | Wire Harness |
| W/O | Without |
| 1st | First |
| 2nd | Second |
| 2WD | Two Wheel Drive Vehicle (4x2) |
| 4WD | Four Wheel Drive Vehicle (4x4) |
GLOSSARY OF SAE AND TOYOTA TERMS
| SAE Abbreviation | SAE-Term | Toyota Term |
|---|---|---|
| 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 (Diesel) | Direct Injection (DI) |
| DI | Distributor Ignition | ..... |
| DLC1 | Direct Link Connector 1 | Check Connector |
| DLC2 | Direct Link Connector 2 | Total Diagnosis Communication Link (TDCL) |
| DLC3 | Direct Link Connector 3 | OBD II Diagnostic Connector |
| DTC | Diagnostic Trouble Code | Diagnostic Code |
| DTM | Diagnostic Test Mode | ..... |
| ECL | Electronic Control Level | ..... |
| ECM | Electronic Control Module | Engine ECU (Electronic Control Unit) |
| ECT | Engine Coolant Temperature | Coolant Temperature, Water Temperature (THW) |
| EEPROM | Electronically Erasable Programmable Read Only Memory | (Electronically) Erasable Programmable Read Only Memory (EEPROM) |
| EFE | Early Fuel Evaporation | Cold Mixture Heat (CMH), Heat Control Valve (HCV) |
| EGR | Exhaust Gas Recirculation | Exhaust Gas Recirculation |
| EI | Electronic Ignition | TOYOTA Distributorless Ignition (TDI) |
| 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 | ..... |
| F/P | 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 (EBVC), 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 | Nonvolatile 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 |
| OP | 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 Port 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 | ..... |
| 3GR | Third Gear | ..... |
| 4GR | Fourth Gear | ..... |