 |
A |
Amperes |
| |
A/C |
Air Conditioning |
| |
A/T |
Automatic Transmission/Transaxle |
| |
AAP |
Auxiliary Accelerator Pump |
| |
AB |
Air Bleed |
| |
ABCV |
Air Bleed Control Valve |
| |
ABDC |
After Bottom Dead Center |
| |
ABRS |
Air Bag Restraint System |
| |
ABS |
Anti-Lock Brake System |
| |
AC |
Alternating Current |
| |
ACC |
A/C Clutch Compressor |
| |
ACCS |
A/C Cycling Switch |
| |
ACCUM |
Accumulator |
| |
ACCY |
Accessory |
| |
ACT |
Air Charge Temperature Sensor |
| |
ACV |
Thermactor Air Control Valve |
| |
ADJ |
Adjust or Adjustable |
| |
ADV |
Advance |
| |
AFS |
Airflow Sensor |
| |
AI |
Air Injection |
| |
AIR or A.I.R. |
Air Injection Reactor |
| |
AIS |
Air Injection System |
| |
ALCL |
Assembly Line Communications Link |
| |
ALDL |
Assembly Line Diagnostic Link |
| |
ARC |
Automatic Ride Control |
| |
ASCD |
Automatic Speed Control Device |
| |
ASCS |
Air Suction Control Solenoid |
| |
ASD |
Auto Shutdown |
| |
ASDM |
Air Bag System Diagnostic Module |
| |
ASV |
Air Suction Valve |
| |
ATC |
Automatic Temperature Control |
| |
ATDC |
After Top Dead Center |
| |
ATF |
Automatic Transmission Fluid |
| |
ATS |
Air Temperature Sensor |
| |
AXOD |
Automatic Transaxle Overdrive |
| |
Abs. |
Absolute |
| |
Accy. |
Accessory |
| |
Alt. |
Alternator or Altitude |
| |
Amp. |
Ampere |
| |
Assy. |
Assembly |
| |
Auto. |
Automatic |
| |
Aux. |
Auxiliary |
| |
Avg. |
Average |
 |
B/P |
Backpressure |
| |
BAC |
By-Pass Air Control |
| |
BAP |
Barometric Absolute Pressure Sensor |
| |
BARO |
Barometric |
| |
BBDC |
Before Bottom Dead Center |
| |
BCM |
Body Control Module |
| |
BDC |
Bottom Dead Center |
| |
BHP |
Brake Horsepower |
| |
BLK |
Black |
| |
BLU |
Blue |
| |
BMAP |
Barometric & Manifold Absolute Pressure Sensor |
| |
BOO |
Brake On-Off Switch |
| |
BP |
Barometric Pressure sensor |
| |
BPS |
Barometric Pressure Sensor |
| |
BPT |
Backpressure Transducer |
| |
BRN |
Brown |
| |
BTDC |
Before Top Dead Center |
| |
BTU |
British Thermal Unit |
| |
BVSV |
Bimetallic Vacuum Switching Valve |
| |
Baro. |
Barometric |
| |
Batt. |
Battery |
| |
Bbl. |
Barrel (Example: 4-Bbl.) |
| |
Blst. |
Ballast |
| |
Blwr. |
Blower |
| |
Brkr. |
Breaker |
 |
C |
Celsius (Degrees) |
| |
C(3) I |
Computer Controlled Coil Ignition |
| |
C(4) |
Computer Controlled Catalytic Converter |
| |
CANP |
Canister Purge solenoid |
| |
CARB |
California Air Resources Board |
| |
CAT |
Catalytic Converter |
| |
CB |
Circuit Breaker |
| |
CBD |
Closed Bowl Distributor |
| |
CBVV |
Carburetor Bowl Vent Valve |
| |
cc |
Cubic Centimeter |
| |
CCC |
Computer Command Control |
| |
CCD |
Computer Controlled Dwell |
| |
CCM |
Central Control Module |
| |
CCO |
Converter Clutch Override |
| |
CCOT |
Cycling Clutch Orifice Tube |
| |
CCW |
Counterclockwise |
| |
CDI |
Capacitor Discharge Ignition |
| |
CEC |
Computerized Engine Control |
| |
CFI |
Central Fuel Injection |
| |
CID |
Cubic Inch Displacement |
| |
CID |
Cylinder Identification sensor |
| |
CIS |
Continuous Injection System |
| |
CIS-E |
Continuous Injection System-Electronic |
| |
CKT |
Circuit |
| |
CLR |
Clear |
| |
CNG |
Compressed Natural Gas |
| |
CO |
Carbon Monoxide |
| |
CO2 |
Carbon Dioxide |
| |
CONV |
Convertible |
| |
CP |
Canister Purge |
| |
CPA |
Connector Position Assurance |
| |
CPS |
Crank Position Sensor |
| |
CTS |
Coolant Temperature Sensor |
| |
CV |
Check Valve or Constant Velocity |
| |
CVC |
Constant Vacuum Control |
| |
CW |
Clockwise |
| |
CYL or Cyl. |
Cylinder |
| |
Calif. |
California |
| |
Carb. |
Carburetor |
| |
Chrg. |
Charging |
| |
Circ. |
Circuit |
| |
Cntrl. |
Control |
| |
Comp. |
Compressor or Compartment |
| |
Conn. |
Connector |
| |
Cont. |
Continued |
| |
Conv. |
Convertible or Converter |
| |
Cu. In. |
Cubic Inch |
| |
Cyl. |
Cylinder |
 |
D |
Drive |
| |
DBC |
Dual Bed Catalyst |
| |
DC |
Direct Current or Discharge |
| |
DDD |
Dual Diaphragm Distributor |
| |
DERM |
Diagnostic Energy Reserve Module |
| |
DFI |
Digital Fuel Injection |
| |
DIC |
Driver Information Center |
| |
DIS |
Direct Ignition System |
| |
DIS |
Distributorless Ignition System |
| |
DIST |
Distribution |
| |
DISTR |
Distributor |
| |
DK BLU |
Dark Blue |
| |
DK GRN |
Dark Green |
| |
DME |
Digital Motor Electronics (Motronic System) |
| |
DOHC |
Double Overhead Cam |
| |
DOT |
Department of Transportation |
| |
DP |
Dashpot |
| |
DRB-II |
Diagnostic Readout Box |
| |
DVOM |
Digital Volt/Ohm Meter (see VOM) |
| |
Def. |
Defogger or Defroster |
| |
Def. |
Defrost |
| |
Defog. |
Defogger |
| |
Diag. |
Diagnostic |
| |
Dist. |
Distributor or Distribution |
| |
Dr. |
Door |
 |
EAC |
Electric Assist Choke |
| |
EACV |
Electric Air Control Valve |
| |
EBCM |
Electronic Brake Control Module |
| |
ECA |
Electronic Control Assembly |
| |
ECAT |
Electronically Controlled Automatic Transaxle |
| |
ECM |
Electronic Control Module |
| |
ECT |
Engine Coolant Temperature Sensor |
| |
ECU |
Electronic Control Unit or Engine Control Unit |
| |
EDF |
Electric Drive Fan relay assembly |
| |
EDIS |
Electronic Distributorless Ignition System |
| |
EEC |
Electronic Engine Control |
| |
EECS |
Evaporative Emission Control System |
| |
EEPROM |
Electronically Erasable PROM |
| |
EFE |
Early Fuel Evaporation |
| |
EFI |
Electronic Fuel Injection |
| |
EGO |
Exhaust Gas Oxygen sensor (see HEGO) |
| |
EGR |
Exhaust Gas Recirculation system |
| |
EGRC |
EGR Control solenoid or system |
| |
EGRV |
EGR Vent solenoid or system |
| |
EMR |
Emission Maintenance Reminder Module |
| |
ESA |
Electronic Spark Advance |
| |
ESC |
Electronic Spark Control |
| |
EST |
Electronic Spark Timing |
| |
ETR |
Emergency Tensioning Retractor |
| |
EVAP |
Fuel Evaporative System |
| |
EVIC |
Electronic Vehicle Information Center |
| |
EVO |
Electronic Variable Orifice |
| |
EVP |
EGR Valve Position Sensor |
| |
EVR |
EGR Valve Regulator |
| |
EVRV |
Electronic Vacuum Regulator Valve |
| |
Elect. |
Electronic |
| |
Eng. |
Engine |
| |
Evap. |
Evaporative |
| |
Exc. |
Except |
 |
F |
Fahrenheit (Degrees) |
| |
F/B |
Fuse Block |
| |
FBC |
Feedback Carburetor |
| |
FI |
Fuel Injector or Fuel Injection |
| |
FICD |
Fast Idle Control Device |
| |
FIPL |
Fuel Injector Pump Lever |
| |
FP |
Fuel Pump |
| |
FPM |
Fuel Pump Monitor |
| |
FPR-VSV |
Fuel Pressure Regulator Vacuum Switching Valve |
| |
FWD |
Front Wheel Drive |
| |
Fed. |
Federal |
| |
Ft. Lbs. |
Foot Pounds |
 |
g |
grams |
| |
GND or GRND |
Ground |
| |
GRN |
Green |
| |
GRY |
Gray |
| |
Ga. |
Gauge |
| |
Gals. |
gallons |
| |
Gov. |
Governor |
 |
H/D |
Heavy Duty |
| |
HAC |
High Altitude Compensation |
| |
HC |
Hydrocarbons |
| |
HEDF |
High Speed Electro Drive Fan relay or circuit |
| |
HEGO |
Heated Exhaust Gas Oxygen Sensor |
| |
HEGOG |
HEGO Ground circuit |
| |
HEI |
High Energy Ignition |
| |
HLDT |
Headlight |
| |
HO |
High Output |
| |
HP |
High Performance |
| |
HSC |
High Swirl Combustion |
| |
HSO |
High Specific Output |
| |
HTR |
Heater |
| |
HVAC |
Heating |
| |
Headlt. |
Headlight |
| |
Hg |
Mercury |
| |
Hgt. |
Height |
| |
Htr. |
Heater |
| |
Hz |
Hertz (Cycles Per Second) |
 |
I.D. |
Inside Diameter |
| |
IAC |
Idle Air Control |
| |
IACV |
Idle Air Control Valve |
| |
IC |
Integrated Circuit |
| |
ID |
Identification |
| |
IDM |
Ignition Diagnostic Monitor |
| |
IGN |
Ignition system or circuit |
| |
ILC |
Idle Load Compensator |
| |
In. Hg |
Inches of Mercury |
| |
INCH Lbs. |
Inch Pounds |
| |
INFL REST |
Inflatable Restraint |
| |
INJ |
Injector or Injection |
| |
IP |
Instrument Panel |
| |
IPC |
Instrument Panel Cluster |
| |
ISA |
Idle Speed Actuator |
| |
ISC |
Idle Speed Control |
| |
ISS |
Idle Stop Solenoid |
| |
ITS |
Idle Tracking Switch |
| |
IVSV |
Idle Vacuum Switching Valve |
| |
Ign. |
Ignition |
| |
In. |
Inches |
| |
Inj. |
Injector |
 |
J/B |
Junction Block |
|
k/ohms |
1000 ohms (kilo as in k/ohms) |
| |
kg |
Kilograms (weight) |
| |
kg/cmý |
Kilograms Per Square Centimeter |
| |
KAM |
Keep Alive Memory |
| |
KAPWR |
Keep Alive Power |
| |
KM/H |
Kilometers Per Hour |
| |
KOEO |
Key On Engine Off |
| |
KOER |
Key On Engine Running |
| |
KS |
Knock Sensor |
 |
L |
Liter(s) |
| |
L/D |
Light Duty |
| |
LCD |
Liquid Crystal Display |
| |
LED |
Light Emitting Diode |
| |
LH |
Left Hand |
| |
LOS |
Limited Operation Strategy |
| |
LT BLU |
Light Blue |
| |
LT GRN |
Light Green |
| |
LUS |
Lock-Up Solenoid |
| |
Lbs. |
Pounds |
| |
Lt(s). |
Light(s) |
| |
Lugg. |
Luggage |
 |
mA |
Milliamps |
| |
mV |
Millivolts |
| |
mfd. |
Microfarads |
| |
mm |
Millimeters |
| |
M/T |
Manual Transaxle or Transmission |
| |
MA PFI |
Mass Air Sequential Port Fuel Injection system |
| |
MA or MAF |
Mass Airflow |
| |
MAF |
Mass Air Flow sensor |
| |
MAFS |
Mass Airflow Sensor |
| |
MAP |
Manifold Absolute Pressure sensor |
| |
MAT |
Manifold Air Temperature |
| |
MCU |
Microprocessor Control Unit |
| |
MCV |
Mixture Control Valve |
| |
MEM-CAL |
Memory Calibration Chip |
| |
MFI |
Multiport Fuel Injection |
| |
MIL |
Malfunction Indicator Light |
| |
MLP |
Manual Lever Position |
| |
MPFI |
Multi Point Fuel Injection |
| |
MPH |
Miles Per Hour |
| |
MPI |
Multi-Point (Fuel) Injection |
| |
Man. |
Manual |
| |
Mech. |
Mechanical |
| |
Mem. |
Memory |
| |
Mtr. |
Motor |
 |
N.m |
Newton-Meter |
| |
NA |
Not Available |
| |
NDS |
Neutral Drive Switch |
| |
NGS |
Neutral Gear Switch |
| |
NOx |
Oxides of Nitrogen |
| |
NPS |
Neutral Pressure Switch |
| |
No. |
Number |
| |
Nos. |
Numbers |
 |
O |
Oxygen |
| |
O.D. |
Outside Diameter |
| |
O/S |
Oversize |
| |
O2 |
Oxygen |
| |
OC |
Oxidation Catalyst |
| |
OCC |
Output Circuit Check |
| |
OD |
Overdrive |
| |
ODO |
Odometer |
| |
OHC |
Overhead Camshaft |
| |
ORG |
Orange |
| |
OSC |
Output State Check |
| |
Opt. |
Option or Optional |
| |
oz. |
Ounce |
| |
ozs. |
Ounces |
 |
P |
Park |
| |
P/C |
Printed Circuit |
| |
P/N |
Park/Neutral |
| |
P/S |
Power Steering |
| |
PAV |
Pulse Air Valve |
| |
PC-SOL |
Purge Control Solenoid |
| |
PCM |
Powertrain Control Module |
| |
PCS |
Purge Control Solenoid |
| |
PCSDM |
Passenger Compartment Sensor/Diagnostic Module |
| |
PCV |
Positive Crankcase Ventilation |
| |
PFE |
Pressure Feedback EGR sensor or circuit |
| |
PFI |
Port Fuel Injection (see MA SEFI) |
| |
PGM-CARB |
Programmed Carburetor |
| |
PGM-FI |
Programmed Fuel Injection |
| |
PIP |
Profile Ignition Pickup |
| |
PNK |
Pink |
| |
PPL |
Purple |
| |
PRNDL |
Park Reverse Neutral Drive Low |
| |
PROM |
Programmable Read-Only Memory |
| |
psi |
Pounds Per Square Inch |
| |
PSPS |
Power Steering Pressure Switch |
| |
PTC |
Positive Temperature Coefficient |
| |
PTO |
Power Take-Off |
| |
PWR GND |
Power Ground circuit |
| |
Pkg. |
Package |
| |
Press. |
Pressure |
| |
Prog. |
Programmed or Programmable |
| |
Pts. |
Pints |
| |
Pwr. |
Power |
 |
Qts. |
Quarts |
|
RABS |
Rear Anti-Lock Brake System |
| |
RAC |
Remote Accessory Control |
| |
RAM |
Random Access Memory |
| |
RAP |
Retained Accessory Power |
| |
RECIRC |
Recirculation |
| |
RED |
Red |
| |
RH |
Right Hand |
| |
ROM |
Read Only Memory |
| |
RPM |
Revolutions Per Minute |
| |
RVB |
Rear Vacuum Break |
| |
RWAL |
Rear Wheel Anti-Lock Brake |
| |
RWD |
Rear Wheel Drive |
| |
Recirc. |
Recirculate or Recirculation |
| |
Reg. |
Regulator |
| |
Rly. |
Relay |
 |
SBC |
Single Bed Converter |
| |
SBEC |
Single Board Engine Controller |
| |
SC |
Super Charged |
| |
SCC |
Spark Control Computer |
| |
SCS |
Air Suction Control Solenoid |
| |
SDM |
Supplemental Restraint System Diagnostic Module |
| |
SDU |
SRS Diagnostic Unit |
| |
SEN |
Sensor |
| |
SES |
Service Engine Soon |
| |
SFI |
Sequential (Port) Fuel Injection |
| |
SIG RTN |
Signal Return circuit |
| |
SIL |
Shift Indicator Light |
| |
SIR |
Supplemental Inflatable Restraint |
| |
SMEC |
Single Module Engine Controller |
| |
SOHC |
Single Overhead Cam |
| |
SOL or Sol. |
Solenoid |
| |
SPFI |
Sequential Port Fuel Injection |
| |
SPK |
Spark Control |
| |
SPOUT |
Spark Output Signal |
| |
SRS |
Supplemental Restraint System (Air Bag) |
| |
SS 3/4-4/3 |
Shift Solenoid circuit |
| |
SSI |
Solid State Ignition |
| |
STAR |
Self-Test Automatic Readout |
| |
STI |
Self Test Input circuit |
| |
STO |
Self-Test Output |
| |
SUB-O2 |
Sub Oxygen Sensor |
| |
Sen. or Sens. |
Sensor |
| |
Sol. |
Solenoid |
| |
Sprchg. |
Supercharger |
| |
Strg. |
Steering |
| |
Susp. |
Suspension |
| |
Sw. |
Switch |
| |
Sys. |
System |
 |
T.V. |
Throttle Valve |
| |
TAB |
Thermactor Air By-Pass |
| |
TAC |
Thermostatic Air Cleaner |
| |
TAD |
Thermactor Air Diverter |
| |
TAN |
Tan |
| |
TBI |
Throttle Body Injection |
| |
TCC |
Torque Converter Clutch |
| |
TCCS |
Toyota Computer Control System |
| |
TDC |
Top Dead Center |
| |
TDCL |
Total Diagnostic Communication Link |
| |
TFI |
Thick Film Ignition system |
| |
TGS |
Top Gear Switch (cancels SIL in top gear) |
| |
THERMAC |
Thermostatic Air Cleaner |
| |
THS |
Transmission Hydraulic Switch |
| |
TP/TPS |
Throttle Position Sensor |
| |
TPI |
Tuned Port Injection |
| |
TPS |
Throttle Position Sensor/Switch |
| |
TS |
Temperature Sensor |
| |
TSB |
Technical Service Bulletin |
| |
TTS |
Transmission Temperature Switch |
| |
TV |
Thermovalve |
| |
TWC |
Three-Way Catalyst |
| |
Temp. |
Temperature |
 |
V |
Valve |
| |
VAF |
Vane Air Flow sensor or circuit |
| |
VAPS |
Variable Assist Power Steering |
| |
VAT |
Vane Air Temperature |
| |
VATS |
Vehicle Anti-Theft System |
| |
VBATT |
Vehicle Battery Voltage |
| |
VCC |
Viscous Converter Clutch |
| |
VIN |
Vehicle Identification Number |
| |
VIO |
Violet |
| |
VLR |
Volt Loop Reserve |
| |
VM |
Vacuum Modulator |
| |
VM |
Vane Meter |
| |
VOM |
Volt-Ohmmeter (Analog) |
| |
VPWR |
Vehicle Power supply voltage (10-14 volts) |
| |
VREF |
Voltage Reference (ECA supplied reference voltage |
| |
VRV |
Vacuum Regulator Valve |
| |
VSC |
Vehicle Speed Control sensor or signal |
| |
VSS |
Vehicle Speed Sensor or signal |
| |
VSV |
Vacuum Switching Valve |
| |
Vac. |
Vacuum |
| |
Volt. |
Voltage |
|
W/ |
With |
| |
W/O |
Without |
| |
WAC |
WOT A/C Cut-off switch or circuit |
| |
WAC |
Wide Open Throttle A/C Switch |
| |
WHT |
White |
| |
WOT |
Wide Open Throttle |
 |
YEL |
Yellow |
|
|
|