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 MANUALSMAZDA2008CX-7 TOURING, 2.3 3, AWDREPAIR AND DIAGNOSISBODY & FRAMEDOOR LOCKSSECURITY SYSTEM AND LOCKS SYSTEMCLEARING CARD KEY[ADVANCED KEYLESS SYSTEM]

2008 Mazda CX-7 Touring, 2.3 3, AWD

Clearing Card Key[Advanced Keyless System]

2008 Mazda CX-7 Touring, 2.3 3, AWDSECTION Clearing Card Key[Advanced Keyless System]

Fully lower the driver-side door glass.
Connect the M-MDS to the DLC-2.
Pull out the M-MDS cable from the door glass opening and set the M-MDS outside the vehicle.
CAUTION:
- Protect the cable and body contact area with a clean rag, otherwise they could be damaged.
  
  Fig 1: Identifying DLC-2 Connector
  Courtesy of MAZDA MOTORS CORP.
After the vehicle is identified, select the following items from the initialization screen of the M-MDS.
- When using the IDS (notebook PC)
  1. Select "Body".
  2. Select "Security".
- When using the PDS (pocket PC)
  1. Select "Programming".
Then, select items from the screen menu in the following order.
1. Select "PATS functions".
2. Select "Card Key Code Erase".
Security access begins and the M-MDS displays the "OUT-CODE".
NOTE:
- When "OUT-CODE" is first displayed, turning the ignition switch from the LOCK to the ON position 5 times will change the "OUT-CODE" .
Input the "IN-CODE" that corresponds to the "OUT-CODE" displayed in the M-MDS screen.
Select "CARD KEY CLEARING" from the M-MDS screen menu.

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.