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 MANUALSMAZDA20133 MAZDASPEED, 2.3L ENG VIN 3REPAIR AND DIAGNOSISBODY & FRAMEDOOR LOCKSON-BOARD DIAGNOSTIC [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)]DTC INSPECTION [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)]DETECTING DTC USING THE M-MDS
2013 Mazda 3 Mazdaspeed, 2.3L Eng VIN 3
Detecting DTC using the M-MDS
2013 Mazda 3 Mazdaspeed, 2.3L Eng VIN 3SECTION Detecting DTC using the M-MDS
- Connect the M-MDS (IDS) to the DLC-2.
- After the vehicle is identified, select the following items from the initialization screen of the IDS.
- Select "Self Test".
- Select "Modules".
- Select "IC".
- Verify the DTC according to the directions on the screen.
- If a DTC is displayed, repair the malfunctioning part according to the applicable DTC troubleshooting. (See DTC TABLE [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)] .)
- After completion of repairs, clear all DTCs stored in the module using the M-MDS. (See CLEARING DTC [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)] .)
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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.