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HOMESERVICE MANUALSMAZDA2010CX-9 SPORT, 3.7 V, AWDREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLDYNAMIC STABILITY CONTROL SYSTEM/ROLL STABILITY CONTROL SYSTEMFRONT ABS WHEEL-SPEED SENSOR INSPECTIONSENSOR OUTPUT VALUE INSPECTION
2010 Mazda CX-9 Sport, 3.7 V, AWD

Sensor Output Value Inspection

2010 Mazda CX-9 Sport, 3.7 V, AWDSECTION Sensor Output Value Inspection
  1. Turn the ignition switch to the LOCK position.
  2. Connect the M-MDS to the DLC-2.
  3. 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 1: Identifying DLC-2 Location
        G04969748Courtesy of MAZDA MOTORS CORP.
  4. Select the following PIDs using the M-MDS:
    • WSPD_LF

      (LF ABS wheel-speed sensor)

    • WSPD_RF

      (RF ABS wheel-speed sensor)

  5. Start the engine and drive the vehicle.
  6. Verify that the display of the M-MDS shows the same value as the speedometer.
    • If there is any malfunction, replace the front ABS wheel-speed sensor.
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.