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.
2012 Mazda Mazdaspeed3 L4-2.3L TurboFACTORY OEM SERVICE PROCEDURE
Programming and Relearning
PCM CONFIGURATION [MZR 2.3 DISI Turbo]
CAUTION:
- If the wheel and tire sizes are changed, a discrepancy with the speedometer needle whereby it exceeds the allowable range could result in a malfunction. If the wheel and tire sizes are changed, perform the following procedure to change the tire size parameter setting. Parameter Setting Procedure When Tire Size Is Changed
1. Connect the M-MDS (IDS) to DLC-2.
2. After the vehicle is identified, select the following items from the initial screen of the M-MDS (IDS).
a. "Module Programming"
3. Select "Programmable Module Installation".
4. Select menu in the "PCM".
5. Perform the configuration according to the directions on the screen.
6. Retrieve DTCs by the M-MDS (IDS), then verify that there is no DTC present.
- If a DTC(s) is detected, perform the applicable DTC inspection. Engine - DTC Table
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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