Normal Operation
WARNING: This page is about a different car, the 2005 Mercury Mountaineer and 2005 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
The active brake booster has internal solenoids that assist driver brake applications or can apply the brakes when needed if the driver loses control.
Voltage is supplied by circuit 1582 (LG/RD). Ground is provided through circuit 1583 (BN/WH).