Abbreviations and Meanings
| Abbreviations and Meanings |
| Abbreviation | Meaning |
|
A
|
|
|
A
|
Ampere(s)
|
|
AAS
|
Auxilary Alarm Sensor
|
|
ABS
|
Antilock Brake System
|
|
A/C
|
Air Conditioning
|
|
AC
|
Alternating Current
|
|
ACC
|
Accessory, Automatic Climate Control
|
|
ACL
|
Air Cleaner
|
|
ACM
|
Air Conditioning Module
|
|
ACR4
|
Air Conditioning Refrigerant, Recovery, Recycling, Recharging
|
|
AD
|
Automatic Disconnect
|
|
A/D
|
Analog to Digital
|
|
ADL
|
Automatic Door Lock
|
|
A/F
|
Air/Fuel Ratio
|
|
AFS
|
Active Front Steering.
|
|
AH
|
Active Handling
|
|
AIR
|
Secondary Air Injection
|
|
ALC
|
Automatic Level Control, Automatic Lamp Control
|
|
ALM
|
Auto Learn Module
|
|
AM/FM
|
Amplitude Modulation/Frequency Modulation
|
|
Ant
|
Antenna
|
|
AP
|
Accelerator Pedal
|
|
APA
|
Advanced parking Aid
|
|
APCM
|
Accessory Power Control Module
|
|
API
|
American Petroleum Institute
|
|
APP
|
Accelerator Pedal Position
|
|
APT
|
Adjustable Part Throttle
|
|
ASM
|
Assembly, Accelerator and Servo Control Module
|
|
ASR
|
Acceleration Slip Regulation
|
|
A/T
|
Automatic Transmission/Transaxle
|
|
ATC
|
Automatic Transfer Case, Automatic Temperature Control
|
|
ATDC
|
After Top Dead Center
|
|
ATSLC
|
Automatic Transmission Shift Lock Control
|
|
Auto
|
Automatic
|
|
avg
|
Average
|
|
A4WD
|
Automatic Four-Wheel Drive
|
|
AWG
|
American Wire Gauge
|
|
B
|
|
|
B+
|
Battery Positive Voltage
|
|
BARO
|
Barometric Pressure
|
|
BATT
|
Battery
|
|
BBV
|
Brake Booster Vacuum
|
|
BCA
|
Bias Control Assembly
|
|
BCM
|
Body Control Module
|
|
BHP
|
Brake Horsepower
|
|
BLK
|
Black
|
|
BLU
|
Blue
|
|
BP
|
Back Pressure
|
|
BPCM
|
Battery Pack Control Module
|
|
BPMV
|
Brake Pressure Modulator Valve
|
|
BPP
|
Brake Pedal Position
|
|
BRN
|
Tan
|
|
BTDC
|
Before Top Dead Center
|
|
BTM
|
Battery Thermal Module
|
|
BTSI
|
Brake Transmission Shift Interlock
|
|
Btu
|
British Thermal Units
|
|
C
|
|
|
°C
|
Degrees Celsius
|
|
CAC
|
Charge Air Cooler
|
|
CAFE
|
Corporate Average Fuel Economy
|
|
Cal
|
Calibration
|
|
Cam
|
Camshaft
|
|
CARB
|
California Air Resources Board
|
|
CC
|
Coast Clutch
|
|
cm
3
|
Cubic Centimeters
|
|
CCM
|
Convenience Charge Module, Chassis Control Module
|
|
CCOT
|
Cycling Clutch Orifice Tube
|
|
CCP
|
Climate Control Panel
|
|
CD
|
Compact Disc
|
|
CE
|
Commutator End
|
|
CE-bus
|
Chassie Expansion-Bus
|
|
CEAB
|
Cold Engine Air Bleed
|
|
CEMF
|
Counter Electromotive Force
|
|
CEX
|
Cabin Exchanger
|
|
cfm
|
Cubic Feet per Minute
|
|
cg
|
Center of Gravity
|
|
CID
|
Cubic Inch Displacement
|
|
CKP
|
Crankshaft Position
|
|
CKT
|
Circuit
|
|
C/Ltr
|
Cigar Lighter
|
|
CL
|
Closed Loop
|
|
CLS
|
Coolant Level Switch
|
|
CMC
|
Compressor Motor Controller
|
|
CMP
|
Camshaft Position
|
|
CNG
|
Compressed Natural Gas
|
|
CO
|
Carbon Monoxide
|
|
CO2
|
Carbon Dioxide
|
|
Coax
|
Coaxial
|
|
COMM
|
Communication
|
|
Conn
|
Connector
|
|
CPA
|
Connector Position Assurance
|
|
CPP
|
Clutch Pedal Position
|
|
CPS
|
Central Power Supply
|
|
CPU
|
Central Processing Unit
|
|
CRT
|
Cathode Ray Tube
|
|
CRTC
|
Cathode Ray Tube Controller
|
|
CS
|
Charging System
|
|
CSFI
|
Central Sequential Fuel Injection
|
|
CTP
|
Closed Throttle Position
|
|
cu ft
|
Cubic Foot/Feet
|
|
cu in
|
Cubic Inch/Inches
|
|
CV
|
Constant Velocity Joint
|
|
CVRSS
|
Continuously Variable Road Sensing Suspension
|
|
Cyl
|
Cylinder(s)
|
|
D
|
|
|
DAB
|
Delayed Accessory Bus
|
|
dB
|
Decibels
|
|
dBA
|
Decibels on A-weighted Scale
|
|
DC
|
Direct Current, Duty Cycle
|
|
DCM
|
Door Control Module
|
|
DE
|
Drive End
|
|
DEC
|
Digital Electronic Controller
|
|
DERM
|
Diagnostic Energy Reserve Module
|
|
DI
|
Distributor Ignition
|
|
dia
|
Diameter
|
|
DIC
|
Driver information center
|
|
Diff
|
Differential
|
|
DIM
|
Dash Integration Module
|
|
DK
|
Dark
|
|
DLC
|
Data Link Connector
|
|
DMCM
|
Drive Motor Control Module
|
|
DMM
|
Digital Multimeter
|
|
DMSDS
|
Drive Motor Speed and Direction Sensor
|
|
DMU
|
Drive Motor Unit
|
|
DOHC
|
Dual Overhead Camshafts
|
|
DPM
|
Driver Position Module
|
|
DR, Drvr
|
Driver
|
|
DRL
|
Daytime Running Lamps (DRL)
|
|
DSCC
|
Distance Sensing Cruise Control
|
|
DTC
|
DTC
|
|
E
|
|
|
EBCM
|
Electronic Brake Control Module
|
|
EBTCM
|
Electronic Brake and Traction Control Module
|
|
EC
|
Electrical Center, Engine Control
|
|
ECC
|
Electronic Climate Control
|
|
ECI
|
Extended Compressor at Idle
|
|
ECL
|
Engine Coolant Level
|
|
ECM
|
Engine Control Module, Electronic Control Module
|
|
ECS
|
Emission Control System
|
|
ECT
|
Engine Coolant Temperature
|
|
EEPROM
|
Electrically Erasable Programmable Read Only Memory
|
|
EEVIR
|
Evaporator Equalized Values in Receiver
|
|
EFE
|
Early Fuel Evaporation
|
|
EGR
|
Exhaust Gas Recirculation
|
|
EGR TVV
|
Exhaust Gas Recirculation Thermal Vacuum Valve
|
|
EHPS
|
Electro-Hydraulic Power Steering
|
|
EI
|
Electronic Ignition
|
|
ELAP
|
Elapsed
|
|
ELC
|
Electronic Level Control
|
|
E/M
|
English/Metric
|
|
EMF
|
Electromotive Force
|
|
EMI
|
Electromagnetic Interference
|
|
Eng
|
Engine
|
|
EOP
|
Engine Oil Pressure
|
|
EOT
|
Engine Oil Temperature
|
|
EPA
|
Environmental Protection Agency
|
|
EPB
|
Electronic Park Brake
|
|
EPR
|
Exhaust Pressure Regulator
|
|
EPROM
|
Erasable Programmable Read Only Memory
|
|
ESB
|
Expansion Spring Brake
|
|
ESC
|
Electronic Suspension Control
|
|
ESD
|
Electrostatic Discharge
|
|
ESN
|
Electronic Serial Number
|
|
ETC
|
Electronic Throttle Control, Electronic Temperature Control, Electronic Timing Control
|
|
ETCC
|
Electronic Touch Climate Control
|
|
ETR
|
Electronically Tuned Receiver
|
|
ETS
|
Enhanced Traction System
|
|
EVAP
|
Evaporative Emission
|
|
EVO
|
Electronic Variable Orifice
|
|
Exh
|
Exhaust
|
|
F
|
|
|
°F
|
Degrees Fahrenheit
|
|
FC
|
Fan Control
|
|
FDC
|
Fuel Data Center
|
|
FED
|
Federal All United States except California
|
|
FEDS
|
Fuel Enable Data Stream
|
|
FEX
|
Front Exchanger
|
|
FF
|
Flexible Fuel
|
|
FFH
|
Fuel-Fired Heater
|
|
FI
|
Fuel Injection
|
|
FMVSS
|
Federal U.S. Motor Vehicle Safety Standards
|
|
FP
|
Fuel Pump
|
|
ft
|
Foot/Feet
|
|
FT
|
Fuel Trim
|
|
F4WD
|
Full Time Four Wheel Drive
|
|
4WAL
|
Four Wheel Antilock
|
|
4WD
|
Four Wheel Drive
|
|
FW
|
Flat Wire
|
|
FWD
|
Front Wheel Drive, Forward
|
|
G
|
|
|
g
|
Grams, Gravitational Acceleration
|
|
GA
|
Gauge
|
|
gal
|
Gallon
|
|
gas
|
Gasoline
|
|
GCW
|
Gross Combination Weight
|
|
Gen
|
Generator
|
|
GL
|
Gear Lubricant
|
|
GM
|
General Motors
|
|
GM SPO
|
General Motors Service Parts Operations
|
|
gnd
|
Ground
|
|
gpm
|
Gallons per Minute
|
|
GRN
|
Green
|
|
GRY
|
Gray
|
|
GVWR
|
Gross Vehicle Weight Rating
|
|
H
|
|
|
H
|
Hydrogen
|
|
H2O
|
Water
|
|
Harn
|
Harness
|
|
HBSM
|
High beam Select Module
|
|
HC
|
Hydrocarbons
|
|
HCM
|
HVAC Control Module
|
|
H/CMPR
|
High Compression
|
|
HD
|
Heavy Duty
|
|
HDC
|
Heavy Duty Cooling
|
|
HDLP
|
Wiring Provisions Custom Wiring Harness
|
|
hex
|
Hexagon, Hexadecimal
|
|
Hg
|
Mercury
|
|
Hi Alt
|
High Altitude
|
|
HO2S
|
Heated Oxygen Sensor
|
|
hp
|
Brake Horsepower
|
|
HPL
|
High Pressure Liquid
|
|
HPS
|
High Performance System
|
|
HPV
|
High Pressure Vapor
|
|
HPVS
|
Heat Pump Ventilation System
|
|
Htd
|
Heated
|
|
HTR
|
Heater
|
|
HUD
|
Head-Up Display
|
|
HVAC
|
Heater Ventilation Air Conditioning
|
|
HVACM
|
Heater Vent Air Conditioning Module
|
|
HVIL
|
High Voltage Interlock Loop
|
|
HVM
|
Heater Vent Module
|
|
Hz
|
Hertz
|
|
I
|
|
|
IAC
|
Idle Air Control
|
|
IAT
|
Intake Air Temperature
|
|
IC
|
Integrated Circuit, Ignition Control
|
|
ICCS
|
Integrated Chassis Control System
|
|
ICM
|
Ignition Control Module
|
|
ID
|
Identification, Inside Diameter
|
|
IDI
|
Integrated Direct Ignition
|
|
IGBT
|
Insulated Gate Bi-Polar Transistor
|
|
ign
|
Ignition
|
|
ILC
|
Idle Load Compensator
|
|
in
|
Inch/Inches
|
|
INJ
|
Injection
|
|
inst
|
Instantaneous, Instant
|
|
IP
|
Instrument Panel
|
|
IPC
|
Instrument cluster
|
|
IPM
|
Instrument Panel Module
|
|
I/PEC
|
Instrument Panel Electrical Center
|
|
ISC
|
Idle Speed Control
|
|
ISO
|
International Standards Organization
|
|
ISS
|
Input Speed Shaft, Input Shaft Speed
|
|
ITCM
|
Integrated Transmission Control Module
|
|
K
|
|
|
KAM
|
Keep Alive Memory
|
|
KDD
|
Keyboard Display Driver
|
|
kg
|
Kilogram
|
|
kHz
|
Kilohertz
|
|
km
|
Kilometer
|
|
km/h
|
Kilometers per Hour
|
|
km/l
|
Kilometers per Liter
|
|
kPa
|
Kilopascals
|
|
KS
|
Knock Sensor
|
|
kV
|
Kilovolts
|
|
L
|
|
|
L
|
Liter
|
|
L4
|
Four Cylinder Engine, In-Line
|
|
L6
|
Six-Cylinder Engine, In-Line
|
|
lb
|
Pound
|
|
lb ft
|
Pound Feet Torque
|
|
lb in
|
Pound Inch Torque
|
|
LCD
|
Liquid Crystal Display
|
|
LDCL
|
Left Door Closed Locking
|
|
LDCM
|
Left Door Control Module
|
|
LDM
|
Lamp Driver Module
|
|
LDW
|
Lane Departure Warning
|
|
LED
|
Light Emitting Diode
|
|
LEV
|
Low Emissions Vehicle
|
|
LF
|
Left Front
|
|
lm
|
Lumens
|
|
LR
|
Left Rear
|
|
LT
|
Left
|
|
LT
|
Light
|
|
LT
|
Long Term
|
|
LTPI
|
Low Tire Pressure Indicator
|
|
LTPWS
|
Low Tire Pressure Warning System
|
|
LWB
|
Long Wheel Base
|
|
M
|
|
|
MAF
|
Mass Air Flow
|
|
Man
|
Manual
|
|
MAP
|
Manifold Absolute Pressure
|
|
MAT
|
Manifold Absolute Temperature
|
|
max
|
Maximum
|
|
M/C
|
Mixture Control
|
|
MDP
|
Manifold Differential Pressure
|
|
MFI
|
Multiport Fuel Injection
|
|
mi
|
Miles
|
|
MIL
|
Malfunction Indicator Lamp
|
|
min
|
Minimum
|
|
MIN
|
Mobile Identification Number
|
|
mL
|
Milliliter
|
|
mm
|
Millimeter
|
|
mpg
|
Miles per Gallon
|
|
mph
|
Miles per Hour
|
|
ms
|
Millisecond
|
|
MSCAN
|
Mid-speed controler Area network
|
|
MST
|
Manifold Surface Temperature
|
|
MSVA
|
Magnetic Steering Variable Assist, Magnasteer®
|
|
M/T
|
Manual Transmission/Transaxle
|
|
MV
|
Megavolt
|
|
mV
|
Millivolt
|
|
N
|
|
|
NAES
|
North American Export Sales
|
|
NC
|
Normally Closed
|
|
NEG
|
Negative
|
|
Neu
|
Neutral
|
|
NI
|
Neutral Idle
|
|
NiMH
|
Nickel Metal Hydride
|
|
NLGI
|
National Lubricating Grease Institute
|
|
Nm
|
Newton-meter Torque
|
|
NO
|
Normally Open
|
|
NOx
|
Oxides of Nitrogen
|
|
NPTC
|
National Pipe Thread Coarse
|
|
NPTF
|
National Pipe Thread Fine
|
|
NOVRAM
|
Non-Volatile Random Access Memory
|
|
O
|
|
|
O2
|
Oxygen
|
|
O2S
|
Oxygen Sensor
|
|
OBD
|
On-Board Diagnostics
|
|
OBD II
|
On-Board Diagnostics Second Generation
|
|
OC
|
Oxidation Converter Catalytic
|
|
OCS
|
Opportunity Charge Station
|
|
OD
|
Outside Diameter
|
|
ODM
|
Output Drive Module
|
|
ODO
|
Odometer
|
|
OE
|
Original Equipment
|
|
OEM
|
Original Equipment Manufacturer
|
|
AND
|
Overhead Camshaft
|
|
Ω
|
Ohms
|
|
OL
|
Open Loop, Out of Limits
|
|
ORC
|
Oxidation Reduction Converter Catalytic
|
|
ORN
|
Orange
|
|
ORVR
|
On-Board Refueling Vapor Recovery
|
|
OSS
|
Output Shaft Speed
|
|
oz
|
Ounce(s)
|
|
P
|
|
|
PAG
|
Polyalkylene Glycol
|
|
PAIR
|
Pulsed Secondary Air Injection
|
|
PASS, PSGR
|
Passenger
|
|
PASS-Key®
|
Personalized Automotive Security System
|
|
P/B
|
Power Brakes
|
|
PC
|
Pressure Control
|
|
PCB
|
Printed Circuit Board
|
|
PCM
|
Powertrain Control Module
|
|
PCS
|
Pressure Control Solenoid
|
|
PCV
|
Positive Crankcase Ventilation System
|
|
PEB
|
Power Electronics Bay
|
|
PEPS
|
Passive Entry Passive Start system
|
|
PID
|
Parameter Identification
|
|
PIM
|
Power Inverter Module
|
|
PM
|
Permanent Magnet Generator
|
|
P/N
|
Part No.
|
|
PNK
|
Pink
|
|
PNP
|
Park/Neutral Position
|
|
PRNDL
|
Park, Reverse, Neutral, Drive, Low
|
|
POA
|
Pilot Operated Absolute Valve
|
|
POS
|
Positive, Position
|
|
POT
|
Potentiometer Variable Resistor
|
|
PPL
|
Violet
|
|
ppm
|
Parts per Million
|
|
PROM
|
Programmable Read Only Memory
|
|
P/S, PS
|
Power Steering
|
|
PSCM
|
Power Steering Control Module, Passenger Seat Control Module
|
|
PSD
|
Power Sliding Door
|
|
PSP
|
Power Steering Pressure
|
|
psi
|
Pounds per Square Inch
|
|
psia
|
Pounds per Square Inch Absolute
|
|
psig
|
Pounds per Square Inch Gauge
|
|
pt
|
Pint
|
|
PTC
|
Positive Temperature Coefficient
|
|
PWM
|
Pulse Width Modulated
|
|
Q
|
|
|
QDM
|
Quad Driver Module
|
|
qt
|
Quart(s)
|
|
R
|
|
|
R-12
|
Refrigerant-12
|
|
R-134a
|
Refrigerant-134a
|
|
RAM
|
Random Access Memory, Non-permanent memory device, memory contents are lost when power is removed.
|
|
RAP
|
Retained Accessory Power
|
|
RAV
|
Remote Activation Verification
|
|
RCDLR
|
Remote Control Door Lock Receiver
|
|
RDCM
|
Right Door Control Module
|
|
Ref
|
Reference
|
|
Rev
|
Reverse
|
|
REX
|
Rear Exchanger
|
|
RIM
|
Rear Integration Module
|
|
RF
|
Right Front, Radio Frequency
|
|
RFA
|
Remote Function Actuation
|
|
RFI
|
Radio Frequency Interference
|
|
RH
|
Right
|
|
RKE
|
Remote Keyless Entry
|
|
Rly
|
Relay
|
|
ROM
|
Read Only Memory, Permanent memory device, memory contents are retained when power is removed.
|
|
RPM
|
Revolutions per Minute Engine Speed
|
|
RPO
|
Regular Production Option
|
|
RR
|
Right Rear
|
|
RSS
|
Road Sensing Suspension
|
|
RTD
|
Real Time Damping
|
|
LT
|
Right
|
|
RTV
|
Room Temperature Vulcanizing Sealer
|
|
RWAL
|
Rear Wheel Antilock
|
|
RWD
|
Rear Wheel Drive
|
|
S
|
|
|
s
|
Second(s)
|
|
SAE
|
Society of Automotive Engineers
|
|
SC
|
Compressor
|
|
SCB
|
Supercharger Bypass
|
|
SCM
|
Seat Control Module
|
|
SDM
|
Sensing and Diagnostic Module
|
|
SEO
|
Special Equipment Option
|
|
SFI
|
Sequential Multiport Fuel Injection
|
|
SI
|
System International Modern Version of Metric System
|
|
SIAB
|
Side air bag
|
|
SIR
|
Supplemental Inflatable Restraint
|
|
SLA
|
Short/Long Arm Suspension
|
|
sol
|
Solenoid
|
|
SO2
|
Sulfur Dioxide
|
|
SP
|
Splice Pack
|
|
S/P
|
Series/Parallel
|
|
SPO
|
Service Parts Operations
|
|
SPS
|
Service Programming System, Speed Signal
|
|
sq ft, ft
2
|
Square Foot/Feet
|
|
sq in, in
2
|
Square Inch/Inches
|
|
SRC
|
Service Ride Control
|
|
SRI
|
Service Reminder Indicator
|
|
Airbag
|
Restraint System
|
|
SS
|
Shift Solenoid
|
|
ST
|
Scan Tool
|
|
STID
|
Station Identification Station ID
|
|
S4WD
|
Selectable Four-Wheel Drive
|
|
Sw
|
Switch
|
|
SWB
|
Short Wheel Base
|
|
SWPS
|
Steering Wheel Position Sensor
|
|
syn
|
Synchronizer
|
|
T
|
|
|
TAC
|
Throttle Actuator Control
|
|
Tach
|
Tachometer
|
|
TAP
|
Transmission Adaptive Pressure, Throttle Adaptive Pressure
|
|
TBI
|
Throttle Body Fuel Injection
|
|
DTC
|
Turbocharger, Transmission Control
|
|
TCC
|
Torque converter clutch
|
|
TCS
|
Traction Control System
|
|
TDC
|
Top Dead Center
|
|
TEMP
|
Temperature
|
|
Term
|
Terminal
|
|
TFP
|
Transmission Fluid Pressure
|
|
TFT
|
Transmission Fluid Temperature
|
|
THM
|
Turbo Hydro-Matic
|
|
TIM
|
Tire Inflation Monitoring, Tire Inflation Module
|
|
TOC
|
Transmission Oil Cooler
|
|
TP
|
Throttle position
|
|
TPA
|
Terminal Positive Assurance
|
|
TPM
|
Tire Pressure Monitoring, Tire Pressure Monitor
|
|
TR
|
Transmission Range
|
|
TRANS
|
Transmission/Transaxle
|
|
TSM
|
Trafic Sign Memory
|
|
TT
|
Tell Tail Warning Lamp
|
|
TV
|
Throttle Valve
|
|
TVRS
|
Television and Radio Suppression
|
|
TVV
|
Thermal Vacuum Valve
|
|
TWC
|
Three Way Converter Catalytic
|
|
TWC+OC
|
Three Way + Oxidation Converter Catalytic
|
|
TXV
|
Thermal Expansion Valve
|
|
U
|
|
|
UART
|
Universal Asynchronous Receiver Transmitter
|
|
U/H
|
Underhood
|
|
U/HEC
|
Underhood Electrical Center
|
|
Constant Velocity Joint
|
Universal Joint
|
|
UTD
|
Universal Theft Deterrent
|
|
UV
|
Ultraviolet
|
|
V
|
|
|
V
|
Volt(s), Voltage
|
|
V6
|
Six-Cylinder Engine, V-Type
|
|
V8
|
Eight-Cylinder Engine, V-Type
|
|
Vac
|
Vacuum
|
|
VAC
|
Vehicle Access Code
|
|
VATS
|
Vehicle Anti-Theft System
|
|
VCIM
|
Vehicle Communication Interface Mode
|
|
VCM
|
Vehicle Control Module
|
|
V dif
|
Voltage Difference
|
|
VDOT
|
Variable Displacement Orifice Tube
|
|
VDV
|
Vacuum Delay Valve
|
|
vel
|
Velocity
|
|
VES
|
Variable Effort Steering
|
|
VF
|
Vacuum Fluorescent
|
|
VIO
|
Violet
|
|
VIN
|
Vehicle Identification Number
|
|
VLR
|
Voltage Loop Reserve
|
|
VMV
|
Vacuum Modulator Valve
|
|
VR
|
Voltage Regulator
|
|
V ref
|
Voltage Reference
|
|
VSES
|
Vehicle Stability Enhancement System
|
|
VSS
|
Vehicle Speed Sensor
|
|
W
|
|
|
w/
|
With
|
|
W/B
|
Wheel Base
|
|
WHL
|
Wheel
|
|
WHT
|
White
|
|
w/o
|
Without
|
|
WOT
|
Wide Open Throttle
|
|
W/P
|
Water Pump
|
|
W/S
|
Windshield
|
|
WSS
|
Wheel Speed Sensor
|
|
WU-OC
|
Warm Up Oxidation Converter Catalytic
|
|
WU-TWC
|
Warm Up Three-Way Converter Catalytic
|
|
X
|
|
|
X-valve
|
Expansion Valve
|
|
Y
|
|
|
yd
|
Yard(s)
|
|
YEL
|
Yellow
|
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