Main use: Notes
WARNING: This page is about a different car, the 2003 Saab 9-3. However, it is still accessible from the selected car via links, so may be relevant.
The control module continually calculates wheel speed for all four wheels and regulates by applying the brakes or sending an engine torque limitation request if there is there is a difference between wheel speeds or any limit value is exceeded. The hydraulic unit provides brake pressure to the wheel brakes and holds or evacuates brake fluid as necessary with internal unit valves.