Acronyms and Definitions

Acronyms and Definitions

Note: This acronyms and definitions listing contains technical terms applicable to Ford Motor Company products. It is not intended to be an all-inclusive dictionary of components and their functions. If a detailed description of a particular system or component is desired, refer to the applicable vehicle system for the specific vehicle being repaired.

- 4V: Four valves per engine cylinder
- ABS: Anti-Lock Brake System
- A/C: Air Conditioning
- A/CC: Air Conditioning Clutch
- A/CCR: A/C Clutch Control Relay
- A/CLPCS: A/C Low Pressure Cycling Switch
- ACCS: Air Conditioning Cycling Switch
- ACET: Air Conditioning Evaporator Temperature
- ACPSW: Air Conditioning Pressure Switch
- ACRDV: Air Conditioning (A/C) Refrigerant Distribution Valve
- A/D: Analog-to-Digital
- APP: Accelerator Pedal Position
- ARB: Air Resource Board
- ATDC: After Top Dead Center
- BARO: Barometric Pressure
- BPO: Battery Power Off
- BPP: Brake Pedal Position
- BPS: Brake Pedal Switch
- BTDC: Before Top Dead Center
- CAFE: Corporate Average Fuel Economy
- CAN: Controller Area Network
- CCM: Comprehensive Component Monitor
- CHT: Cylinder Head Temperature
- CKP: Crankshaft Position
- CL: Closed Loop
- CMP: Camshaft Position
- CO: Carbon Monoxide
- CO2: Carbon Dioxide
- COP: Coil On Plug
- CT: Closed Throttle
- CTO: Clean Tach Output
- DC: 1. Direct Current 2. Duty Cycle
- DFSO: Deceleration Fuel Shut-Off
- DLC: Data Link Connector
- DMM: Digital Multimeter
- DOHC: Dual Overhead Cam
- DTC: Diagnostic Trouble Code
- ECT: Engine Coolant Temperature
- EEC: Electronic Engine Control
- EEGR: Electric Exhaust Gas Recirculation
- EEPROM: Electrically Erasable Programmable Read-Only Memory
- EGR: Exhaust Gas Recirculation
- EI: Integrated Electronic Ignition
- EI-LDR: Electronic Ignition-Low Data Rate
- EMI: Electromagnetic Interference
- EOT: Engine Oil Temperature
- EPA: Environmental Protection Agency
- ETB: Electronic Throttle Body
- EVAP: Evaporative Emissions
- EVO: Electronic Variable Orifice
- FC: Fan Control
- FCS: Fuel Control Solenoid
- FCIL: Fuel Cap Indicator Lamp
- FEAD: Front End Accessory Drive
- FEPS: Flash EEPROM Programming Signal
- FLI: Fuel Level Input
- FMEM: Failure Mode Effects Management
- FP: Fuel Pump
- FTP: Fuel Tank Pressure
- FWD: Front-Wheel Drive
- GCU: Generator Control Unit
- GPM: 1. Grams per Mile 2. Gallons per Minute
- GVW: Gross Vehicle Weight
- HC: Hydrocarbon
- HO2S: Heated Oxygen Sensor
- Hz: Hertz
- IAT: Intake Air Temperature
- IDS: Integrated Diagnostic System
- IFS: Inertia Fuel Shut-Off
- IPC: 1. Instrument Panel Cluster 2. Independent Plausibility Checker
- IPS: Intake Phase Shifting
- ISO: International Standards Organization
- KAM: Keep Alive Memory
- KOEO: Key On Engine Off
- KOER: Key On Engine Running
- Km/h: Kilometers per Hour
- kPa: Kilopascal
- LDR: Low Data Rate
- MAF: Mass Air Flow
- MAP: Manifold Absolute Pressure
- MCU: Motor Control Unit
- MECP: Motor Electronics Coolant Pump
- MECT: Motor Electronics Coolant Temperature
- MIL: Malfunction Indicator Lamp
- NOX: Oxides of Nitrogen
- NVRAM: Non-Volatile Random Access Memory
- OASIS: On-line Automotive Service Information System
- OBD: On Board Diagnostics
- OC: Oxidation Catalytic converter
- OHC: Overhead Camshaft
- OSC: Output State Control
- OTM: Output Test Mode
- PCM: Powertrain Control Module
- PCV: Positive Crankcase Ventilation
- PID: Parameter Identification
- PIP: Profile Ignition Pickup
- PPM: Parts Per Million
- PSCM: Power Steering Control Module
- PWM: Pulse Width Modulation
- PZEV: Partial Zero Emission Vehicle
- RAM: Random Access Memory
- RFI: Radio Frequency Interference
- ROM: Read-Only Memory
- RPM: Revolutions per Minute
- RWD: Rear-Wheel Drive
- SAE: Society of Automotive Engineers
- SFI: Sequential Multiport Fuel Injection
- TB: Throttle Body
- TBCM: Traction Battery Control Module
- TCM: Transaxle Control Module
- TDC: Top Dead Center
- TGAC: Torque of Generator AC signal
- TMAC: Torque of Motor AC signal
- TP: Throttle Position
- TR: Transmission Range
- VECI: Vehicle Emission Control Information
- VCM: Vehicle Communication Module
- VCT: Variable Camshaft Timing
- VIN: Vehicle Identification Number
- VSC: Vehicle System Controller
- VSS: Vehicle Speed Sensor
- WAC: Wide Open Throttle A/C Cut-Off
- WOT: Wide Open Throttle