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Ford Fuel Injection

Abbreviations

Abbreviation	Definition
ABS	Anti-Lock Brakes
A/C	Air Conditioning
ACCS	A/C Cycling Switch
ACC	A/C Clutch Compressor
ACD	Air Conditioning Demand
ACON	A/C ON
ACP	Air Conditioning Pressure
ACT	Air Charge Temperature sensor
ACV	Thermactor Air Control Valve
ADC	Analog to Digital Converter
ADJ	Adjust
A/D	Analog to Digital
A/F	Air to Fuel Ratio
AFR	Air to Fuel Ratio
AIR	Secondary Air Injection / Thermactor
AIRB	Secondary Air injection Bypass
AIRD	Secondary Air injection Diverter
ALDL	Assembly Line Diagnostic Link
ALT	Alternator
AM1	Thermactor Air Bypass solenoid valve (TAB)
AM2	Thermactor Air Diverter solenoid valve (TAD)
AOD	Automatic Overdrive transmission
AODE	Automatic Overdrive Electronic transmission
AODE-W	Automatic Overdrive Electronic Wide-ratio transmission
ARC	Automatic Ride Control
A/T	Automatic Transmission/Transaxle
ATDC	After Top Dead Center
AXOD	Automatic Transaxle Overdrive
AVOM	Analog Volt-Ohm Meter
B+	Battery Positive Voltage
BATT+	Battery Positive Voltage
BARO	Barometric Pressure
BDC	Bottom Dead Center
BLR	Blower
BOO	Brake On/Off switch
BP	Barometric Pressure sensor
BPA	Bypass Air
BTDC	Before Top Dead Center
CAC	Charge Air Cooler (intercooler)
CANP	Canister Purge solenoid
CBD	Closed Bowl Distributor
CCC	Converter Clutch Control
CCD	Computer Controlled Dwell
CCO	Converter Clutch Override
CCRM	Constant Control Relay Module
CCS	Coast Clutch Solenoid
CEL	Check Engine Light
CFI	Central Fuel Injection
CID	Cylinder Identification sensor
CKP	Crankshaft Position
CKT	Circuit
CMP	Camshaft Position
CO	Carbon Monoxide
CO2	Carbon Dioxide
CPP	Clutch Pedal Position
CPS	Crankshaft Position Sensor
CSE GND	Case Ground
CTS	Coolant Temp Sensor
DAC	Digital to Analog Converter
DI	Distributor Ignition
DIS	Distributorless Ignition System
DLC	Data Link Connector
DOHC	Dual Overhead Cam
DOL	Data Output Line
DPFE	Delta Pressure Feedback EGR
DPDIS	Dual Plug Distributorless Ignition System
DPI	Dual Plug Inhibitor
DTC	Diagnostic Trouble Code
DTM	Diagnostic Test Mode
DVOM	Digital Volt/Ohm Meter
E4OD	Electronic 4-Speed Overdrive
EAIR	Electronic Secondary Air Injection
EAP	Electronic Air Pump
ECA	Electronic Control Assembly
EEC	Electronic Engine Control
EEC-IV	Ford's fourth generation EEC system
ECM	Electronic Control Module
ECT	Engine Coolant Temperature sensor
ECU	Electronic Control Unit
EDF	Electric Drive Fan relay assembly
EDIS	Electronic Distributorless Ignition System
EED	Electronic Engine Control
EFI	Electronic Fuel Injection
EGO	Exhaust Gas Oxygen sensor
EGR	Exhaust Gas Recirculation system
EGRC	EGR Vacuum Control solenoid
EGRV	EGR Vent solenoid or system
EGT	Exhaust Gas Temperature
EI	Electronic Ignition
EPC	Electronic Pressure Control
EPT	EGR Pressure Transducer
ER	Engine Running
EVP	EGR Valve Position sensor
EVR	EGR Vacuum Regulator
FC	Fan Control
FF	Flexible Fuel
FFS	Flexible Fuel Sensor
FFV	Flexible Fuel Vehicle
FI	Fuel Injector or Fuel Injection
FMEM	Failure Mode Effects Management
FMU	Fuel Management Unit
FP	Fuel Pump
FPM	Fuel Pump Monitor
FPR	Fuel Pressure Regulator
FPRC	Fuel Pressure Regulator Control
FTO	Filtered Tach Output
GCM	Governor Control Module
GEN	Generator / Alternator
GND	Ground
GRND	Ground
GVW	Gross Vehicle Weight
HC	Hydrocarbon
HEDF	High Speed Electro Drive Fan
HEGO	Heated EGO sensor
HEGO G	HEGO Ground circuit
HFC	High Fan Control
HFP	High Fuel Pump
HLOS	Hardware Limited Operating Strategy
HSIA	High Speed Inlet Air
HO	High Output
HSC	High Swirl Combustion
IAB	Idle Air Bypass
IAC	Idle Air Control
IAS	Idle Air Solenoid
ICM	Ignition Control Module
IDM	Ignition Diagnostic Monitor
IFS	Inertia Fuel Shutoff Switch
IGN	Ignition system or circuit
IGN GND	Ignition Ground
IMRC	Intake Manifold Runner Control
INJ	Injector or Injection
IS	Inertia Switch (fuel cutoff)
ISC	Idle Speed Control
ITS	Idle Tracking Switch
KAM	Keep Alive Memory
KAPWR	Keep Alive Power
KOEO	Key On Engine Off
KOER	Key On Engine Running
KS	Knock Sensor
L	Liter(s)
LFC	Low Fan Control
LFP	Low Fuel Pump
LOS	Limited Operation Strategy
LUS	Lock-Up Solenoid
MAF	Mass Air Flow sensor, meter or circuit
MAF RTN	Mass Air Flow Return
MAP	Manifold Absolute Pressure
MA PFI	Mass Air Sequential Port Fuel Injection system
MAPPA	Manifold Absolute Pressure Per Altitude
MAT	Manifold Air Temp sensor
MCU	Microprocessor Control Unit
MECS	Mazda Engine Control System
MFI	Multiport Fuel Injection
MIL	Malfunction Indicator Light
MLP	Manual Lever Position
MLUS	Modulated Lock-Up Solenoid
MPFI	Multi Port Fuel Injection
NC	Normally Closed
NDS	Neutral Drive Switch
NGS	Neutral Gear Switch
NPS	Neutral Pressure Switch
NO	Normally Open
NOx	Nitrous Oxides
NOS	Nitrous Oxides
O2S	Oxygen Sensor
OBD	On Board Diagnostics
OCC	Output Circuit Check
OCT	Octane
OCT ADJ	Octane Adjust
OHC	Over Head Camshaft (engine type)
OSC	Output State Check
PA	Pulsed Air Injection
PAIR	Pulsed Secondary Air Injection
PCM	Powertrain Control Module
PCV	Positive Crankcase Ventilation
PFE	Pressure Feedback EGR sensor or circuit
PFI	Port Fuel Injection
PIP	Profile Ignition Pickup
PLCC	Plastic Leadless Chip Carrier
PNP	Park / Neutral Position
PSP	Power Steering Pressure
PSPS	Power Steering Pressure Switch
PSOM	Programmable Speedometer/Odometer Module
PWM	Pulse Width Modulated
PWR	Power
PWR GND	Power Ground circuit
RABS	Rear Antilock Brake System
RM	Relay Module
RPM	Revolutions Per Minute
RTN	Return
RWD	Rear Wheel Drive
SAW	Spark Angle Word
SBC	Small Block Chevy
SC	Super Charged (engine type)
SD	Speed-Density
SEFI	Sequential Electronic Fuel Injection
SFI	Sequential Fuel Injection
SIG	Signal
SIG RTN	Signal Return circuit
SIL	Shift Indicator Light
SHO	Super High Output
SPFI	Sequential Port Fuel Injection
SPOUT	Spark Output Signal from EEC
SS	Shift Solenoid circuit
STAR	Self Test Automatic Readout (test equipment)
ST	Scan Tool
ST	Self Test
STI	Self Test Input circuit
STO	Self Test Output circuit
TACH	Tachometer
TAB	Thermactor Air Bypass solenoid valve (AM1)
TAD	Thermactor Air Diverter solenoid valve (AM2)
TB	Throttle Body
TBI	Throttle Body Injection
TC	Turbocharger
TCC	Torque Converter Clutch
TCIL	Transmission Control Indicator Lamp
TCM	Transmission Control Module
TCS	Transmission Control Switch
TDC	Top Dead Center
TFI	Thick Film Ignition system
TFT	Transmission Fluid Temperature
TGS	Top Gear Switch
THS	Transmission Hydraulic Switch
TOT	Transmission Oil Temperature
TP	Throttle Position Sensor
TPI	Tuned Port Intake
TPOUT	Throttle Position Output
TPS	Throttle Position Sensor
TRD	Transmission Range Drive
TROD	Transmission Range Overdrive
TRL	Transmission Range Low
TRR	Transmission Range Reverse
TSS	Transmission Speed Sensor
TTB	Twin Traction Beam
TTS	Transmission Temperature Switch
VAF	Vane Air Flow sensor or circuit
VAF	Volume Air Flow
VAT	Vane Air Temperature
VBATT	Vehicle Battery Voltage
VCRM	Variable Control Relay Module
VECI	Vehicle Emission Control Information Label
VM	Vane Meter
VOM	Analog Volt/Ohm Meter
VCRM	Variable Control Relay Module
VPWR	Vehicle Power supply voltage (regulated 10-14 volts)
VR	Variable Reluctance
VREF	Voltage Reference (EEC supplied voltage = 5 volts)
VRS	Variable Reluctance Sensor
VSC	Vehicle Speed Control sensor or signal
VSS	Vehicle Speed Sensor or signal
WAC	WOT A/C Cut-off switch or circuit
WOT	Wide Open Throttle