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HOMESERVICE MANUALSMAZDA2010CX-9 SPORT, 3.7 V, AWDREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLDYNAMIC STABILITY CONTROL SYSTEM/ROLL STABILITY CONTROL SYSTEMBRAKE FLUID PRESSURE SENSOR INSPECTION
2010 Mazda CX-9 Sport, 3.7 V, AWD

Brake Fluid Pressure Sensor Inspection

2010 Mazda CX-9 Sport, 3.7 V, AWDSECTION Brake Fluid Pressure Sensor Inspection
NOTE:
  • The brake fluid pressure sensor is integrated into the DSC/RSC HU/CM and installed to the brake line of RF-LR brake system. Therefore, perform the brake fluid pressure sensor inspection with the SST installed to the brake pipe on the left front wheel.
  1. Turn the ignition switch to the LOCK position.
  2. Disconnect the brake pipe flare nut area using a commercially available flare nut wrench.
  3. Remove the clamp and disconnect the brake hose.
    Fig 1: Identifying Brake Hose, Clamp And Brake Pipe
    G04970233Courtesy of MAZDA MOTORS CORP.
  4. Install the SSTs  to the brake pipe as shown in the figure.
  5. Bleed the brake line and the SSTs  of air. Bleed the air from the SSTs  using bleeder screw A.
    Fig 2: Installing SSTs To Brake Pipe
    G04970234Courtesy of MAZDA MOTORS CORP.
  6. Connect the M-MDS to the DLC-2.
  7. After the vehicle is identified, select the following items from the initialization screen of the M-MDS.
    • When using the IDS (laptop PC)
      1. Select "DataLogger".
      2. Select "Modules".
      3. Select "ABS".
    • When using the PDS (Pocket PC)
      1. Select "Module Tests".
      2. Select "ABS".
      3. Select "DataLogger".
        Fig 3: Identifying DLC-2 Location
        G04969748Courtesy of MAZDA MOTORS CORP.
  8. Select the "MCYLI P" PID.
  9. Start the engine.
  10. Depress the brake pedal, and confirm that the fluid pressure value of the SST  (Gauge) and the value shown on the M-MDS are equal
  11. After the inspection, remove the SSTs  , install the brake hose, clamp, and brake pipe to the original positions, and then bleed the air from the brake line.
    Fig 4: Brake Pipe With Torque Specifications
    G04970236Courtesy of MAZDA MOTORS CORP.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.