A
Amperes
ABS
Anti-Lock Brakes
Air Bag Restraint System
ABRS
AC
Alternating Current
A/C
Air Conditioning
ACCS
A/C Cycling Switch
ACCUM
Accumulator
ACCY
Accessory
Air Charge Temperature Sensor
ACT
ADJ
Adjustable
ADV
Advance
AFS
Airflow Sensor
AI
Air Injection
AIR or A.I.R.
Air Injection Reactor
AIS
Air Injection System
Alt.
Alternator
Alt.
Altitude
Amp. / amp / amps
Ampere
Air Suction Control Solenoid
ASCS
ASD
Auto Shutdown
Air Bag System Diagnostic Module
ASDM
ASV
Air Suction Valve
A/T
Automatic Transmission
A/T
Automatic Transaxle
Automatic Temperature Control
ATC
After Top Dead Center
ATDC
ATF
Automatic Transmission Fluid
ATS
Air Temperature Sensor
Aux.
Auxiliary
Avg.
Average
Automatic Transaxle Overdrive (Ford Models Only)
AXOD