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Home >> Saab >> 2003 >> 9-3 Vector, Standard >> Repair and Diagnosis >> Brakes >> Traction Control >> TC/Esp (Late; 9440) >> Technical Description >> TCS/ESP, detailed description >> ABS function >> ABS modulation >> PHASE 1 Pressure increase

PHASE 1 Pressure increase

Inlet valve is open, outlet valve is closed and the pressure is allowed to build.

Wheel rotation speed is reduced.