When The Traction Control System Is Decreasing Fluid Pressure (Or The Active Skid Control Is Decreasing Fluid Pressure When The Brake Pedal Is Not Depressed): Notes
Fig 1: Active Skid Control System Operation - When Traction Control System Is Decreasing Fluid Pressure
The system closes the inlet valve and opens the outlet valve. This causes the brake fluid in the wheel cylinders to return through the buffer chamber to the hydraulic unit reservoir.