| ABS | Anti-lock Brake System |
| A/C | Air Conditioning, Air Conditioner |
| ACL | Air Cleaner |
| A/F | Air Fuel Ratio |
| ALR | Automatic Locking Retractor |
| ALT | Alternator |
| AMP | Ampere(s) |
| ANT | Antenna |
| API | American Petroleum Institute |
| APPROX. | Approximately |
| ASSY | Assembly |
| A/T | Automatic Transmission |
| ATDC | After Top Dead Center |
| ATF | Automatic Transmission Fluid |
| ATT | Attachment |
| ATTS | Active Torque Transfer System |
| AUTO | Automatic |
| AUX | Auxiliary |
| BARO | Barometric |
| BAT | Battery |
| BDC | Bottom Dead Center |
| BTDC | Before Top Dead Center |
| CARB | Carburetor |
| CAT | Catalytic Converter |
| or CATA | |
| CHG | Charge |
| CKF | Crankshaft Speed Fluctuation |
| CKP | Crankshaft Position |
| CO | Carbon Monoxide |
| COMP | Complete |
| CPB | Clutch Pressure Back up |
| CPC | Clutch Pressure Control |
| CPU | Central Processing Unit |
| CVT | Continuously Variable Transmission |
| CYL | Cylinder |
| CYP | Cylinder Position |
| DI | Distributor Ignition |
| DIFF | Differential |
| DLC | Data Link Connector |
| DOHC | Double Overhead Camshaft |
| DPI | Dual Point Injection |
| DPSF | Dual Pump System Fluid |
| DTC | Diagnostic Trouble Code |
| EBD | Electronic Brake Distribution |
| ECM | Engine Control Module |
| ECT | Engine Coolant Temperature |
| EGR | Exhaust Gas Recirculation |
| ELD | Electrical Load Detector |
| EPR | Evaporator Pressure Regulator |
| EPS | Electrical Power Steering |
| EVAP | Evaporative |
| EX | Exhaust |
| F | Front |
| FIA | Fuel Injection Air |
| FL | Front Left |
| FP | Fuel Pump |
| FR | Front Right |
| FSR | Fail Safe Relay |
| FWD | Front Wheel Drive |
| GAL | Gallon |
| GND | Ground |
| GPS | Global Positioning System |
| H/B | Hatchback |
| HC | Hydrocarbons |
| HID | High Intensity Discharge |
| HO2S | Heated Oxygen Sensor |
| IAB | Intake Air Bypass |
| IAC | Idle Air Control |
| IACV | Idle Air Control Valve |
| IAR | Intake Air Resonator |
| IAT | Intake Air Temperature |
| ICM | Ignition Control Module |
| ID | Identification |
| ID or I.D. | Inside Diameter |
| IG or IGN | Ignition |
| IMA | Idle Mixture Adjustment |
| Integrated Motor Assisted | |
| IMMOBI. | Immobilizer (Immobiliser) |
| IN | Intake |
| INJ | Injection |
| INT | Intermittent |
| KS | Knock Sensor |
| L | Left |
| L/C | Lock-up Clutch |
| LCD | Liquid Crystal Display |
| LED | Light Emitting Diode |
| LEV | Low Emission Vehicle |
| LF | Left Front |
| LH | Left Handle |
| LHD | Left Handle Drive |
| LR | Left Rear |
| LSD | Limited Slip Differential |
| L-4 | In-line Four Cylinder (engine) |
| MAP | Manifold Absolute Pressure |
| MAX. | Maximum |
| MBS | Mainshaft Brake System |
| MCK | Motor Check |
| MCU | Moment Control Unit |
| MIL | Malfunction Indicator Lamp |
| MIN. | Minimum |
| MPI | Multi Point Injection |
| M/S | Manual Steering |
| M/T | Manual Transmission |
| N | Neutral |
| NOx | Oxides of Nitrogen |
| OBD | On-board Diagnostic |
| O2S | Oxygen Sensor |
| OD or O.D. | Outside Diameter |
| P | Park |
| PAIR | Pulsed Secondary Air Injection |
| PCM | Powertrain Control Module |
| PCV | Positive Crankcase Ventilation |
| Proportioning Control Valve | |
| PDU | Power Drive Unit |
| PGM-FI | Programmed-fuel Injection |
| PGM-IG | Programmed Ignition |
| PH | Pressure High |
| PL | Pilot Light or Pressure Low |
| PMR | Pump Motor Relay |
| P/N | Part Number |
| PRI | Primary |
| P/S | Power Steering |
| PSF | Power Steering Fluid |
| PSP | Power Steering Pressure |
| PSW | Pressure Switch |
| Qty | Quantity |
| R | Right |
| REF | Reference |
| RGB | Red, Green, Black |
| RH | Right Handle |
| RHD | Right Handle Drive |
| RL | Rear Left |
| RON | Research Octane Number |
| RR | Rear Right |
| SAE | Society of Automotive Engineers |
| SCS | Service Check Signal |
| SEC | Second |
| Secondary | |
| SOHC | Single Overhead Camshaft |
| SOL | Solenoid |
| SPEC | Specification |
| S/R | Sun Roof |
| SRS | Supplemental Restraint System |
| STD | Standard |
| SW | Switch |
| T | Torque |
| TB | Throttle Body |
| T/B | Timing Belt |
| TC | Torque Converter |
| TCM | Transmission Control Module |
| TCS | Traction Control System |
| TDC | Top Dead Center |
| TFT | Thin Film Transistor |
| T/N | Tool Number |
| TP | Throttle Position |
| TWC | Three Way Catalytic Converter |
| VC | Viscous Coupling |
| VIN | Vehicle Identification Number |
| VSS | Vehicle Speed Sensor |
| VTEC | Variable Valve Timing & Valve Lift Electronic Control |
| VVIS | Variable Volume Intake System |
| W | With |
| W/O | Without |
| WOT | Wide Open Throttle |
| 2WD | Two Wheel Drive |
| 4WD | Four Wheel Drive |
| 2WS | Two Wheel Steering |
| 4WS | Four Wheel Steering |
| 4AT | 4-speed Automatic Transmission |
| 5MT | 5-speed Manual Transmission |
| 6MT | 6-speed Manual Transmission |
| [P] | Park |
| [R] | Reverse |
| [N] | Neutral |
| [D4] | Drive (1st through 4th gear) |
| [D3] | Drive (1st through 3rd gear) |
| [2] | Second |
| [1] | First |
| [D] | Drive |
| [S] | Second |
| [L] | Low |
| O/D | Over Drive |
| 1ST | Low (gear) |
| 2ND | Second (gear) |
| 3RD | Third (gear) |
| 4TH | Fourth (gear) |
| 5TH | Fifth (gear) |
| 6TH | Sixth (gear) |