Acronyms And Definitions
ACRONYMS AND DEFINITIONSNOTE: 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 system within this Computers and Control Systems Information or consult the diagnostic/repair information 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
ACCM: Air Conditioning Compressor Module
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: Nitrogen Oxide
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