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Fig. 13: VSA Understeer Control (In Acceleration) MODULATOR UNIT The modulator unit consists of the inlet solenoid valve, outlet solenoid valve, VSA normally open (NO) The modulator controls the caliper fluid pressure directly. It is a circulating-type modulator because the brake The hydraulic control has three modes: pressure intensifying, pressure retaining, and pressure reducing. The hydraulic circuit is an independent four channel type, one channel for each wheel. ABS Control Pressure Intensifying Mode VSA NO valve open, VSA NC valve closed, inlet valve open, outlet valve closed. Master cylinder fluid is Pump Motor When starting the pressure reducing mode, the pump motor is ON. When stopping ABS operation, the pump
2004 Acura TSX 2004 BRAKES Vehicle Stability Assist System - TSX
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