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.
2010 Mazda 5 L4-2.3LFACTORY OEM SERVICE PROCEDURE
Keyless Entry: Service and Repair
SECURITY ACCESS PROCEDURE
NOTE:
- Security access must be performed when performing the following functions: "Program Additional ignition key", "Ignition Key Code Erase and Program", "Customer Spare Key Programming Enable/Disable" and "Parameter Reset".
1. Connect the M-MDS to the DLC-2.
2. After the vehicle is identified, select the following items from the initialization screen of the M-MDS.
- When using the IDS (laptop PC)
1 Select the "Body".
2 Select the "Security".
3 Select the "PATS Functions".
- When using the PDS (Pocket PC)
1 Select the "Programming".
2 Select the "PATS Functions".
3. Then, select items from the screen menu in the following order.
- Program additional ignition key
- Ignition Key Code Erase and Program
- Customer Spare Key Programming Enable
- Customer Spare Key Programming Disable
- Parameter Reset
4. The 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".
5. Input "IN-CODE" corresponding to "OUT-CODE" displayed on the M-MDS screen.
6. If the security access is successful, selected item can be performed.
Factory Service Tools
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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.