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Where is the OBD Port on the 2015 Mazda 3?

Model: Mazda 3 BM, BN, MK 3 - Years: 2013, 2014, 2015, 2016, 2017, 2018, 2019

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Video tutorial

To locate the OBD port of your 2015 Mazda 3 in a matter of seconds, simply follow these easy steps. Before proceeding, ensure that the car is parked safely, then turn it off completely.

Once done, shift your attention to the lower part of the dashboard, just below the steering wheel. Locate the OBD port, which is marked by a white colour, and you are done.

From now on, you can easily connect any compatible diagnostic device to this port.


Updated on 27 July 2026 by ScegliAuto


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