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Home >> Saab >> 2004 >> 9-3 Linear, Standard >> Repair and Diagnosis >> Brakes >> Traction Control >> TC / Esp >> Technical Description >> TCS/ESP, detailed description >> ABS function >> PHASE 2 Pressure holding

PHASE 2 Pressure holding

Inlet valve closes, outlet valve is closed. This prevents an increase in brake pressure to the caliper and provides a flow of brake fluid upstream of the inlet valve for use in phase 1.

Wheel rotation speed is allowed to increase.