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Home >> Mazda >> 2012 >> Mazdaspeed3 L4-2.3L Turbo >> Repair and Diagnosis >> Brakes and Traction Control >> Hydraulic System >> Brake Fluid Pressure Sensor/Switch >> Testing and Inspection
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Brake Fluid Pressure Sensor/Switch: Testing and Inspection





BRAKE FLUID PRESSURE SENSOR INSPECTION

1. Switch the ignition to off.

2. Install the SSTs to the master cylinder (secondary side) as shown in the figure.






NOTE:
- When installing the SST (49 D043 0A0) to the master cylinder, use a commercially available flare nut wrench (flare nut across flat 12 mm {0.47 in}).

3. Bleed the brake line and the SSTs of air. (Bleed the SSTs of air using air bleed valve A.)

4. Connect the M-MDS to the DLC-2.






5. Select the "MCYLI_P" PID. DSC

6. Start the engine.

7. Depress the brake pedal, and verify that the fluid pressure value of the SST (gauge) and the value shown on the M-MDS are equal.

- If the fluid pressure values are different, replace the DSC HU/CM. DSC HU/CM Removal/Installation

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