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Powertrain Management: Application and ID

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 system within this Computers and Control Systems Information or refer to the diagnostic/repair information for additional information regarding the specific vehicle being repaired.

2V: Two valves per engine cylinder

3V: Three valves per engine cylinder

4V: Four valves per engine cylinder

4WD: Four Wheel Drive

AAT: Ambient Air Temperature

ABS: Anti-Lock Brake System

APP: Accelerator Pedal Position

A/T: Automatic Transmission

AWD: All Wheel Drive

BARO: Barometric Pressure

BPP: Brake Pedal Position

BTDC: Before Top Dead Center

CAC: Charge Air Cooler

CAN: Controller Area Network

CCM: Comprehensive Component Monitor

CF: Cooling Fan

CHT: Cylinder Head Temperature

CKP: Crankshaft Position

CL: Closed Loop

CMP: Camshaft Position

CO: Carbon Monoxide

CO2: Carbon Dioxide

COP: Coil On Plug

CPP: Clutch Pedal Position

CPU: Central Processing Unit

CTO: Clean Tach Output

DBA: Driver Brake Application

DC: 1. Direct Current 2. Duty Cycle

DEPS: Dual Equal Phase Shifting

DFI: Direct Fuel Injection

DFSO: Deceleration Fuel Shut Off

DLC: Data Link Connector

DTC: Diagnostic Trouble Code

E10: Fuel containing 10% ethanol

E85: Fuel containing 85% ethanol

ECM: Electronic Control Module

ECT: Engine Coolant Temperature

EEC: Electronic Engine Control

EEGR: Electric Exhaust Gas Recirculation

EEPROM: Electrically Erasable Programmable Read-Only Memory

EGA: Exhaust Gas Recirculation

EI: Electronic Ignition

EMD: Engine Manufacturers Diagnostics

EMI: Electromagnetic Interference

EONV: Engine Off Natural Vacuum

EOT: Engine Oil Temperature

EPS: Exhaust Phase Shifting

ERFS: Electronic Returnless Fuel System

ESM: EGR System Module

ESOF: Electronic Shift-on-the-Fly

ETB: Electronic Throttle Body

ETBTACM: Electronic Throttle Body Throttle Actuator Control Motor

ETBTPS: Electronic Throttle Body Throttle Position Sensor

ETC: Electronic Throttle Control

EVAP: Evaporative Emission

EVAPCP: Evaporative Emission Canister Purge Valve

FAOS: Fore-Aft Oxygen Sensor

FEPS: Flash EEPROM Programming Signal

FFV: Flexible Fuel Vehicle

FLI: Fuel Level Input

FMEM: Failure Mode Effects Management

FP: Fuel Pump

FPDM: Fuel Pump Driver Module

FPM: Fuel Pump Monitor

FRP: Fuel Rail Pressure

FRPT: Fuel Rail Pressure Temperature

FSS: Fan Speed Sensor

FTP: Fuel Tank Pressure

FWD: Front Wheel Drive

GPM: 1. Grams per Mile 2. Gallons per Minute

GTDI: Gasoline Turbocharged Direct Injection

H: Hydrogen

HC: 1. Hydrocarbon 2. High Compression

HDR: High Data Rate

HO2S: Heated Oxygen Sensor

IAC: Idle Air Control

IAT: Intake Air Temperature

IFS: Inertia Fuel Shut Off

I/M: Inspection/Maintenance

IMRC: Intake Manifold Runner Control

IMTV: Intake Manifold Tuning Valve

IPC: 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

KS: Knock Sensor

LDR: Low Data Rate

LONGFT: Long-Term Fuel Trim

MAF: Mass Airflow

MAP: Manifold Absolute Pressure

MAP/IAT2: Manifold Absolute Pressure/Intake Air Temperature 2

MFF: Misfire Freeze Frame

MIL: Malfunction Indicator Lamp

MRFS: Mechanical Returnless Fuel System

MSOF: Manual Shift-on-the-Fly

M/T: Manual Transmission

NOx: Nitrogen Oxides

NVLD: Natural Vacuum Leak Detection

NVM: Non-Volatile Memory

NVRAM: Non-Volatile Random Access Memory

OASIS: On-line Automotive Service Information System

OBD: On Board Diagnostic

OL: Open Loop

ORVR: On Board Refueling Vapor Recovery

OSC: Output State Control

OSR: On Board System Readiness

OSS: Output Shaft Speed

PATS: Passive Anti-Theft System

PCM: Powertrain Control Module

PCV: Positive Crankcase Ventilation

Pd: Palladium

PID: Parameter Identification

PIP: Profile Ignition Pickup

PPM: Parts per Million

PSP: Power Steering Pressure

Pt: Platinum

PTO: Power Take-Off

PTS: Professional Technician Society

PWM: Pulse Width Modulation

PZEV: Partial Zero Emission Vehicle

RAM: Random Access Memory

Rh: Rhodium

ROM: Read-Only Memory

RPM: Revolutions Per Minute

RWD: Rear Wheel Drive

SAE: Society of Automotive Engineers

SCB: Supercharger Bypass

SFI: Sequential Multiport Fuel Injection

SHRTFT: Short-Term Fuel Trim

TAC: Throttle Actuator Control

TACM: Throttle Actuator Control Motor

TC: Turbocharger

TCBP/CACT: Turbocharger Boost Pressure/Charge Air Cooler Temperature

TCBY: Turbocharger Bypass

TCIPT: Turbocharger Intake Pressure And Temperature

TCM: Transmission Control Module

TCS: Transmission Control Switch

TDC: Top Dead Center

TIVCT: Twin Independent Variable Camshaft Timing

TP: Throttle Position

TPPC: Throttle Plate Position Controller

TR: Transmission Range

TSB: Technical Service Bulletin

TWC: Three-Way Catalytic Converter

VCT: Variable Camshaft Timing

VECI: Vehicle Emission Control Information

VID: Vehicle Identification

VIN: Vehicle Identification Number

VR: Variable Reluctance

VSS: Vehicle Speed Sensor

WOT: Wide Open Throttle