Operation CHARM: Car repair manuals for everyone.

Antilock Brakes / Traction Control Systems: Description and Operation

Anti-Lock Control - 4-Wheel
The Four-Wheel Anti-Lock Brake System (4WABS) consists of the following components:
- control module
- front anti-lock brake sensor
- front anti-lock brake sensor indicator
- hydraulic control unit
- rear anti-lock brake sensor
- rear anti-lock brake sensor indicator