Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSTOYOTA2009YARIS S, 4D HATCHBACKREPAIR AND DIAGNOSISGENERAL INFORMATIONTOWINGINTRODUCTIONTERMSABBREVIATIONS USED IN ARTICLE
2009 Toyota Yaris S, 4D Hatchback
Abbreviations Used In Article
2009 Toyota Yaris S, 4D HatchbackSECTION Abbreviations Used In Article
TERMS ABBREVIATIONS
| Abbreviations | Meaning |
|---|---|
| ABS | Anti-Lock Brake System |
| A/C | Air Conditioner |
| AC | Alternating Current |
| ACC | Accessory |
| ACIS | Acoustic Control Induction System |
| ACM | Active Control Engine Mount |
| 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 |
| ASSY | Assembly |
| A/T, ATM | Automatic Transmission (Transaxle) |
| ATF | Automatic Transmission Fluid |
| AUTO | Automatic |
| AUX | Auxiliary |
| AVG | Average |
| AVS | Adaptive Variable Suspension |
| B+ | Battery Voltage |
| 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 |
| CAN | Controller Area Network |
| CB | Circuit Breaker |
| CCo | Catalytic Converter For Oxidation |
| CCV | Canister Closed Valve |
| CD | Compact Disc |
| CF | Cornering Force |
| CG | Center Of Gravity |
| CH | Channel |
| CKD | Complete Knock Down |
| 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 |
| DLC | Data Link Connector |
| DLI | Distributorless Ignition |
| DOHC | Double Overhead Camshaft |
| DP | Dash Pot |
| DS | Dead Soak |
| DSP | Digital Signal Processor |
| DTC | Diagnostic Trouble Code |
| DVD | Digital Versatible Disc |
| EBD | Electric Brake Force Distribution |
| EC | Electrochromic |
| ECAM | Engine Control And Measurement System |
| ECD | Electronically Controlled Diesel |
| ECDY | Eddy Current Dynamometer |
| ECT | Electronic Controlled Automatic Transmission |
| ECU | Electronic Control Unit |
| ED | Electro-Deposited Coating |
| EDU | Electronic Driving Unit |
| EDIC | Electric Diesel Injection Control |
| EFI | Electronic Fuel Injection |
| E/G | Engine |
| EGR | Exhaust Gas Recirculation |
| EGR-VM | EGR-Vacuum Modulator |
| ELR | Emergency Locking Retractor |
| EPS | Electric Power Steering |
| ENG | Engine |
| ES | Easy & Smooth |
| ESA | Electronic Spark Advance |
| ETCS-i | Electronic Throttle Control System-intelligent |
| EVAP | Evaporative Emission Control |
| EVP | Evaporator |
| E-VRV | Electric Vacuum Regulating Valve |
| EX | Exhaust |
| FE | Fuel Economy |
| FF | Front-Engine-Front-Wheel-Drive |
| F/G | Fuel Gauge |
| FIPG | Formed In Place Gasket |
| FL | Fusible Link |
| F/P | Fuel Pump |
| FPU | Fuel Pressure Up |
| FR | Front |
| F/W | Flywheel |
| FW/D | Flywheel Damper |
| FWD | Front-Wheel-Drive |
| GAS | Gasoline |
| GND | Ground |
| GPS | Global Positioning System |
| GSA | Gear Shift Actuator |
| HAC | High Altitude Compensator |
| H/B | Hatchback |
| H-FUSE | High Current Fuse |
| HI | High |
| HID | High Intensity Discharge (Headlight) |
| HPU | Hydraulic Power Unit |
| HSG | Housing |
| HT | Hard Top |
| HV | Hybrid Vehicle |
| HWS | Heated Windshield System |
| IC | Integrated Circuit |
| IDI | Indirect Diesel Injection |
| IFS | Independent Front Suspension |
| IG | Ignition |
| HA | Integrated Ignition Assembly |
| IN | Intake (Manifold, Valve) |
| INT | Intermittent |
| I/P | Instrument Panel |
| IRS | Independent Rear Suspension |
| ISC | Idle Speed Control |
| 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 |
| LIN | Local Interconnect Network |
| LLC | Long-Life Coolant |
| LNG | Liquefied Natural Gas |
| LO | Low |
| LPG | Liquefied Petroleum Gas |
| LSD | Limited Slip Differential |
| LSP & BV | Load Sensing Proportioning and Bypass Valve |
| LSPV | Load Sensing Proportioning Valve |
| MAP | Manifold Absolute Pressure |
| MAX. | Maximum |
| MIC | Microphone |
| MIL | Malfunction Indicator Light |
| MIN. | Minimum |
| MG1 | Motor Generator No. 1 |
| MG2 | Motor Generator No. 2 |
| MMT | Multi-mode Manual Transmission |
| MP | Multipurpose |
| MPI | Multipoint Electronic Injection |
| MPX | Multiplex Communication System |
| M/T, MTM | Manual Transmission (Transaxle) |
| MT | Mount |
| MTG | Mounting |
| N | Neutral |
| NA | Natural Aspiration |
| NO. | Number |
| O2S | Oxygen Sensor |
| OC | Oxidation Catalyst |
| OCV | Oil Control Valve |
| O/D | Overdrive |
| OEM | Original Equipment Manufacturing |
| OHC | Overhead Camshaft |
| OHV | Overhead Valve |
| OPT | Option |
| ORVR | On-board Refueling Vapor Recovery |
| O/S | Oversize |
| P&BV | Proportioning and Bypass Valve |
| PBD | Power Back Door |
| PCS | Power Control System |
| PCV | Positive Crankcase Ventilation |
| PKB | Parking Brake |
| PPS | Progressive Power Steering |
| PROM | Programmable Read Only Memory |
| PS | Power Steering |
| PSD | Power Slide Door |
| PTC | Positive Temperature Coefficient |
| PTO | Power Take-Off |
| PZEV | Partial Zero Emission Vehicle |
| P/W | Power Window |
| R&P | Rack and Pinion |
| RAM | Random Access Memory |
| R/B | Relay Block |
| RBS | Recirculating Ball Type Steering |
| REAS | Relative Absorber System |
| R/F | Reinforcement |
| RFS | Rigid Front Suspension |
| RH | Right-Hand |
| RHD | Right-Hand Drive |
| RLY | Relay |
| ROM | Read Only Memory |
| RR | Rear |
| RRS | Rigid Rear Suspension |
| RSE | Rear Seat Entertainment |
| RWD | Rear-Wheel Drive |
| SC | Supercharger |
| SCV | Swirl Control Valve |
| SDN | Sedan |
| SEN | Sensor |
| SICS | Starting Injection Control System |
| 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 |
| TFT | TOYOTA Free-Tronic |
| TIS | Total Information System For Vehicle Development |
| T/M | Transmission |
| TMC | TOYOTA Motor Corporation |
| TMMIN | PT. TOYOTA Motor Manufacturing Indonesia |
| TMMK | TOYOTA Motor Manufacturing Kentucky, Inc. |
| TMT | TOYOTA Motor Thailand Co. Ltd. |
| TRAC/TRC | Traction Control System |
| TURBO | Turbocharge |
| TWC | Three-Way Catalyst |
| U/D | Underdrive |
| U/S | Undersize |
| VCV | Vacuum Control Valve |
| VENT | Ventilator |
| VIM | Vehicle Interface Module |
| VGRS | Variable Gear Ratio Steering |
| VIN | Vehicle Identification Number |
| VPS | Variable Power Steering |
| VSC | Vehicle Stability Control |
| VSV | Vacuum Switching Valve |
| VTV | Vacuum Transmitting Valve |
| VVT-I | Variable Valve Timing-intelligent |
| W/ | With |
| WGN | Wagon |
| W/H | Wire Harness |
| W/O | Without |
| 1ST | First |
| 2ND | Second |
| 2WD | Two Wheel Drive Vehicle (4 x 2) |
| 3RD | Third |
| 4TH | Fourth |
| 4WD | Four Wheel Drive Vehicle (4 x 4) |
| 4WS | Four Wheel Steering System |
| 5TH | Fifth |
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.