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.
2011 Mazda 3 L4-2.5LFACTORY OEM SERVICE PROCEDURE
Programming and Relearning
PCM CONFIGURATION [LF, L5]
NOTE:
- Use the IDS (laptop PC) because the PDS (Pocket PC) does not support the PCM CONFIGURATION.
1. Connect the M-MDS to the DLC-2.
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 the "Module Programming".
3. Then, select items from the screen menu in the following order.
- Select "Programmable Module Installation".
- Select "PCM".
4. Perform the configuration according to the directions on the screen.
5. Retrieve DTCs by the M-MDS, then verify that there is no DTC present.
- If a DTC(s) is detected, perform the applicable DTC inspection. Engine - DTC Table
Wheel And Tire Size change
NOTE:
- Use the IDS (laptop PC) because the PDS (Pocket PC) does not support the PCM CONFIGURATION.
1. Connect the M-MDS to DLC-2.
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 the "Module Programming".
3. Then, select items from the screen menu in the following order.
- Select "Programmable Parameters".
- Select "Tire Size" or "Tire Size / Axle Ratio".
4. Select an item name, and then select option.
CAUTION:
- The same parameter should be set in Tire dimension, Tire Circumference and Tire Size.
Items of "Tire Size"
- Tire dimension (195/70R15, 195/65R15, 205/55R16 205/50R17, 225/40R18)
- Tire Circumference (195/70R15, 195/65R15, 205/55R16 205/50R17, 225/40R18)
Items of "Tire Size / Axle Ratio"
- Tire Size (195/70R15, 195/65R15, 205/55R16 205/50R17, 225/40R18)
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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