Acura TSX / Honda Accord CL. Manual — part 276

Fig. 19: TCS Control Pressure Reducing Mode Schematic

VSA Control

Pressure Intensifying Mode

VSA NO valve closed, VSA NC valve open, inlet valve open, outlet valve closed, pump motor ON. The
reservoir and master cylinder fluid is pumped out by the pump, through the damping chamber, to the front and
rear calipers.

Fig. 20: VSA Control Pressure Intensifying Mode Schematic

Pressure Retaining Mode

2004 Acura TSX

2004 BRAKES Vehicle Stability Assist System - TSX

VSA NO valve closed, VSA NC valve open, inlet valve closed, outlet valve closed, pump motor ON. Front and
rear caliper fluid is retained by the inlet valve and outlet valve.

Fig. 21: VSA Control Pressure Retaining Mode Schematic

Pressure Reducing Mode

VSA NO valve closed, VSA NC valve open, inlet valve closed, outlet valve open, pump motor ON. Caliper
fluid flows through the outlet valve to the reservoir.

Fig. 22: VSA Control Pressure Reducing Mode Schematic

CIRCUIT DIAGRAM

2004 Acura TSX

2004 BRAKES Vehicle Stability Assist System - TSX

Fig. 23: Vehicle Stability Assist System Wiring Diagram (1 Of 2)

2004 Acura TSX

2004 BRAKES Vehicle Stability Assist System - TSX

Fig. 24: Vehicle Stability Assist System Wiring Diagram (2 Of 2)

2004 Acura TSX

2004 BRAKES Vehicle Stability Assist System - TSX