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 MANUALSMAZDA2023CX-5 SREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 9 (ON-BOARD DIAGNOSTIC - INTRODUCTION)AFTER REPAIR PROCEDURE
2023 Mazda CX-5 S
After Repair Procedure
2023 Mazda CX-5 SSECTION After Repair Procedure
WARNING: This page is about a different car, the 2016 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.
- Switch the ignition off.
- Connect the M-MDS to the DLC-2.
- Switch the ignition ON (engine off).
- Verify the DTC according to the directions on the M-MDS screen.
- Press the clear button on the DTC screen to clear the DTC.
- Switch the ignition off for 30 s or more
.CAUTION:
- Always switch the ignition off after clearing the DTC.
- If the engine is accidentally started, disconnect the negative battery cable and reconnect it. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .)
- Switch the ignition ON (engine on).
- Verify all accessory loads are off.
- Start the engine and maintain the engine speed at 2, 800-3, 200 rpm until the cooling fan starts running (for A/F sensor and HO2S activation).
- When the cooling fan starts running, idle the engine.
- Maintain idle for 30 s or more after the cooling fan has stopped (for fuel learning).
- Perform the DTC inspection again and verify that no DTCs are stored. (See ON-BOARD DIAGNOSTIC TEST .)
- Switch the ignition off.
- Disconnect the M-MDS to the DLC-2.
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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.