Automotive Terms And Abbreviations- A

A- Ampere(s)
 
ABS- Antilock Brake System A/C- Air Conditioning
 
AC- Alternating Current
 
ACC- Accessory, Automatic Climate Control
 
ACR4- Air Conditioning Refrigerant, Recovery, Recycling, Recharging
 
A/D- Analog to Digital
 
A/F- Air/Fuel Ratio
 
A.I.R.- Secondary Air Injection
 
ALC- Automatic Level Control, Automatic Lamp Control
 
AM/FM- Amplitude Modulation/Frequency Modulation
 
Ant- Antenna
 
AP- Accelerator Pedal
 
API- American Petroleum Institute
 
APP- Accelerator Pedal Position
 
ASM- Assembly, Accelerator and Servo Control Module

 
A/T- Automatic Transmission/Transaxle
 
ATC- Automatic Transfer Case, Automatic Temperature Control
 
ATDC- After Top Dead Center
 
Auto- Automatic
 
Avg- Average
 
A4WD- Automatic Four-Wheel Drive
 
AWG- American Wire Gage