Abs Control Unit
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 1989 Audi 90, 1989 Audi 80, 1989 Audi 200, 1989 Audi 100, and 1988 Audi 90. However, it is still accessible from the selected car via links, so may be relevant.
The Anti-Lock Brake System (ABS) control unit receives and interprets electrical signals from the speed sensors to determine wheel braking lock-up. If one or more wheels begins to lock-up, the ABS control unit automatically modulates brake pressure to prevent wheel lock-up.