9-5 (9600) L4-2.3L Turbo (B235) HO (2003)
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Brake Fluid Pressure Sensor/Switch: Description and Operation
Brake pressure sensor
A pressure sensor in the hydraulic unit monitors the incoming brake pressure from the master cylinder in the primary brake circuit. The pressure
sensor sends a voltage to the control module that is proportional to the pressure produced when the driver depresses the brake pedal.
