Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSMAZDA20113 MAZDASPEED, 2.3 3REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 617 (DYNAMIC STABILITY CONTROL)DSC SENSOR INITIALIZATION PROCEDURE

2011 Mazda 3 Mazdaspeed, 2.3 3

DSC Sensor Initialization Procedure

2011 Mazda 3 Mazdaspeed, 2.3 3SECTION DSC Sensor Initialization Procedure

WARNING: This page is about a different car, the 2010 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

WARNING:

If the initialization procedure is not completed, the DSC will not operate properly and it might cause an unexpected accident. Therefore, after replacing or removing the combined sensor or DSC HU/CM, make sure to perform the initialization procedure to insure proper DSC operation.

Inspect the wheel alignment and the tire pressure.
- If there is any malfunction, adjust the applicable part.
Position the vehicle on level ground.
Switch the ignition to off.
Connect the M-MDS to DLC-2.
After the vehicle is identified, select the following items from the initial screen of the M-MDS.
- When using the IDS (laptop PC)
  1. Select "Chassis".
  2. Select "ABS/DSC".
  3. Select "Sensor Initialization".
- When using the PDS (Pocket PC)
  1. Select "All Tests and Calibrations".
  2. Select "Sensor Initialization".
    
    Fig 1: Identifying DLC-2 Location
    Courtesy of MAZDA MOTORS CORP.
Perform the procedure according to the directions on the screen.
Drive the vehicle.
After 5 min or more of driving, verify that the DSC system is normal.

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.