Glossary “ACC” Definition:
Acronyms for Automotive Communications Council, Air Conditioning Compressior clutch signal switch, Automatic Climate Control, Active Cruise Control, ACCessories (key postion).
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acceleration
Glossary “acceleration” Definition:
Increase in velocity or speed. A change to a faster speed. Mode of engine operation in which full power or nearly full power is required and produced for any given RPM.
acceleration sensor
Glossary “acceleration sensor” Definition:
Sensor that provides information about the rate of forward or reverse acceleration or deceleration; also know as a G-switch
acceleration simulation mode (ASM)
Glossary “acceleration simulation mode (ASM)” Definition:
Enhanced I/M test performed on a dynamometer at a steady speed and load.
A/C manifold gauge set
Glossary “A/C manifold gauge set” Definition:
Used for refrigeration system testing and service. Consists of a low-pressure gauge, a high-pressure gauge, a center manifold connecting the two gauges, low and high-pressure hand valves, and service and supply hoses.
ac power supply
Glossary “ac power supply” Definition:
A source of alternating current (AC), such as an AC outlet, transformer, inverter, or an alternator (generator).
ABV
Glossary “ABV” Definition:
Air By-pass Valve or Anti-Backfire Valve
AC
Glossary “AC” Definition:
Alternating Current or Altitude Compensator or Accumulator Charge
ac adapter
Glossary “ac adapter” Definition:
Transformer-type power supply that plugs into an AC power outlet, provides low voltage AC or DC to provide power for accessory equipment.
absolute pressure
Glossary “absolute pressure” Definition:
Pressure readings on a scale, it’s zero point being set to the absense of all pressure (a perfect vacuum).
absolute pressure sensor
Glossary “absolute pressure sensor” Definition:
Device for sensing pressures from absolute zero pressure.
absolute zero
Glossary “absolute zero” Definition:
Lowest temperature on the Kelvin scale (K), equivalent to – 459.7¡ãF or a minus 273.2¡ãC. Temperature measured from 0¡ã K is an absolute temperature. All molecular motion ceases at 0¡ã K.
absorb
Glossary “absorb” Definition:
To take in by capillary action, as in a sponge.
absorption
Glossary “absorption” Definition:
The act or process of absorbing.
abrasive blasting
Glossary “abrasive blasting” Definition:
Process of using air pressure, a blasting gun, and an abrasive medium to remove old paint or other material.
abrasive finishing
Glossary “abrasive finishing” Definition:
Process of removing scale or surface contaminants using abrasives, such as bonded grinding wheels or disks, coated abrasives, honing stones, or bonded abrasive sticks.
ABRS
Glossary “ABRS” Definition:
Air Bag Restraint System
ABS
Glossary “ABS” Definition:
Acronym for Anti Lock Braking System
ABS event
Glossary “ABS event” Definition:
The rapid reduction in wheel speed when one or more of the wheels begin to lock up. Anytime the ABS is activated.
ABS plastic
Glossary “ABS plastic” Definition:
1). The hard ABS plastic is used in door arm rest bases. 2). The soft ABS plastic is used in combination with vinyle (PVC) to form instrument panels.