Glossary “ATCV” Definition:
Air Temperature Control Valve
a
asynchronous
Glossary “asynchronous” Definition:
1). Not having a constant period or not synchronous. 2). A means of operating electronic circuits without a common timing signal to synchronize events; rather, the events occur at random times.
asynchronous fuel injection
Glossary “asynchronous fuel injection” Definition:
Fuel injector firing which is not in direct relationship to the ignition reference pulses. Used to achieve the proper A/F ratio under heavy load conditions.
AT
Glossary “AT” Definition:
Automatic Transmission.
ASV
Glossary “ASV” Definition:
Air Suction Valve, or Air Switching Valve
asymmetrical cam
Glossary “asymmetrical cam” Definition:
Camshaft having different profiles for the intake and exhaust lobes.
asymmetrical rear-leafing spring
Glossary “asymmetrical rear-leafing spring” Definition:
A spring on which the rear axle is not located in its center. Could also be used to describe a configuration of more that one leaf.
assy
Glossary “assy” Definition:
Term for Assembly.
ASTE
Glossary “ASTE” Definition:
American Society of Test Engineers.
ASTM
Glossary “ASTM” Definition:
American Society of Testing and Materials.
assembly
Glossary “assembly” Definition:
Any unit made up of two or more parts.
assembly line communications link
Glossary “assembly line communications link” Definition:
An electrical connector used to check a vehicle’s operating system while it is still on the assembly line.
assembly line data link (ALDL)
Glossary “assembly line data link (ALDL)” Definition:
The information processed for use in assembly-line diagnostics.
assembly line diagnostic link (ALDL)
Glossary “assembly line diagnostic link (ALDL)” Definition:
Connector provided for reading fault and trouble codes. It can be located in the passenger or engine compartment.
assembly lube
Glossary “assembly lube” Definition:
A special lubricant used to coat parts that rub or rotate against each other during initial assembly.
ASSET
Glossary “ASSET” Definition:
Automotive Student Service Educational Training (Ford factory program)
Association of International Automobile Manufactures (AIAM)
Glossary “Association of International Automobile Manufactures (AIAM)” Definition:
A trade association of United States subsidiaries of international automobile companies.
aspirator valve
Glossary “aspirator valve” Definition:
Emission control device used to draw fresh air by suction into the exhaust flow to reduce emissions.
ASR
Glossary “ASR” Definition:
Auto Shutdown Relay
ASRV
Glossary “ASRV” Definition:
Air Switching Relief Valve