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 MANUALSMAZDA2011CX-7 I SV, 2.5 5REPAIR AND DIAGNOSISBRAKESTRACTION CONTROLDYNAMIC STABILITY CONTROL SYSTEMDSC HU/CM REMOVAL/INSTALLATIONNOTES

2011 Mazda CX-7 i SV, 2.5 5

DSC HU/Cm Removal/Installation: Notes

2011 Mazda CX-7 i SV, 2.5 5SECTION Notes

CAUTION:

The internal parts of the DSC HU/CM could be damaged if dropped. Be careful not to drop the DSC HU/CM. Replace the DSC HU/CM if it is subjected to an impact.
If the DSC HU/CM configuration is not completed, the DSC will not operate properly. If the DSC HU/CM is replaced, always carry out the DSC HU/CM configuration so that the DSC operates properly. (See DSC CONFIGURATION .)
The DSC may not function normally when the DSC HU/CM is replaced. After installation, always perform the initialization procedures for the DSC HU/CM, combined sensor and the steering angle sensor. (See DSC SENSOR INITIALIZATION PROCEDURE .) (See STEERING ANGLE SENSOR INITIALIZATION PROCEDURE .)

Remove the battery and battery tray. (See BATTERY REMOVAL/INSTALLATION [L3 WITH TC] .) (See BATTERY REMOVAL/INSTALLATION [L5] .)
Remove the battery tray bracket as shown in the figure.
Remove in the order indicated in the table in the illustration.
Install in the reverse order of removal.
After installation, add brake fluid, bleed the air, and inspect for fluid leakage. (See AIR BLEEDING .)
After installation, perform the following procedures:
- DSC configuration (See DSC CONFIGURATION .)
- Combined sensor initialization procedure (See DSC SENSOR INITIALIZATION PROCEDURE .)
- Steering angle sensor initialization procedure (See STEERING ANGLE SENSOR INITIALIZATION PROCEDURE .)
  
  Fig 1: Locating Battery Tray Bracket With Mounting Bolts Torque Specifications
  Courtesy of MAZDA MOTORS CORP.

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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.