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HOMESERVICE MANUALSMAZDA20105 SPORT, 2.3 L, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESTRACTION CONTROLDYNAMIC STABILITY CONTROL SYSTEMDSC SYSTEM INSPECTIONDSC CONTROL INSPECTION
2010 Mazda 5 Sport, 2.3 L, Standard

DSC Control Inspection

2010 Mazda 5 Sport, 2.3 L, StandardSECTION DSC Control Inspection
  1. Perform "Preparation".
  2. Connect the M-MDS to the DLC-2.
  3. Set up an active command mode inspection according to the combination of commands below.
    CAUTION:
    • When operating the solenoid valve and pump motor using the active command mode, make sure to keep the operation time within 2 s to prevent damaging the DSC HU/CM.
      Fig 1: Identifying DLC-2 Connector
      G05542927Courtesy of MAZDA MOTORS CORP.
    BRAKE PRESSURE RETENTION

    Command name Inspected wheels
    Understeer control disabled Oversteer control disabled
    LF RF LR RR
    LF_TC_PRV On Off On
    RF_TC_PRV Off On Off
    LF_TC_SWV Off
    RF_TC_SWV
    LF_INLET Off Off Off On
    LF_OUTLET Off
    LR_INLET On
    LR_OUTLET Off
    RF_INLET On
    RF_OUTLET Off
    RR_INLET On
    RR_OUTLET Off
    PMP_MOTOR On
  4. Send the command while rotating the wheel being inspected by hand in a forward direction.
  5. Confirm that the wheel does not rotate easily while a DSC HU/CM operation click sound is heard.
    • Performing the inspection above determines the following:
      • The DSC HU/CM brake lines are normal.
      • The DSC HU/CM hydraulic system has no significant malfunction (including DSC HU/CM).
      • The DSC HU/CM internal electrical parts (solenoid, motor and other parts) are normal.
      • The DSC unit and DSC HU/CM output system wiring harnesses (solenoid valve, relay system) are normal.
    • However, the following items cannot be verified.
      • Intermittent malfunction of the above items
      • Malfunction of DSC HU/CM input system wiring harnesses and parts
      • Extremely small leakage in the DSC HU/CM internal hydraulic system
RENDER: 1.0x

NO RELATED

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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.