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.
Advanced Key ID Code Registration
2010 Mazda 3 L4-2.5LSECTION Advanced Key ID Code Registration
ADVANCED KEY ID CODE REGISTRATION
NOTE:
- For a key that can start the engine, or no advanced key, the M-MDS can be used to force the ignition to switch is IG ON. Testing and Inspection
1. Fully lower the driver-side door glass.
2. Connect the M-MDS to the DLC-2.
3. Set the M-MDS outside the vehicle with its cable passing through the door glass opening.
CAUTION:
- Cover the vehicle body with a clean rag so as not to damage the vehicle body with the cable.
4. After the vehicle is identified, select the following items from the initialization screen of the M-MDS.
- Using an IDS (laptop PC)
- Select "Body".
- Select "Security".
- Select "PATS Functions".
- Using a PDS (Pocket PC):
- Select "All Tests and Calibrations".
- Select "PATS Functions".
5. Select the following from the screen menu.
- Select "Program Additional Advanced Key".
6. Perform the security access according to the directions on the M-MDS screen.
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.