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.
2017 Mazda MX-5 Miata Club, Automatic TransFACTORY OEM SERVICE PROCEDURE
Barometric Pressure (BARO) Sensor Inspection
PID/DATA Monitor Inspection
NOTE:
- The BARO sensor is built into the PCM. When replacing the BARO sensor, replace the PCM.
- Connect the M-MDS to the DLC-2.
- Switch the ignition ON (engine off).
- Verify that the BARO sensor output value (PID: BARO) is within the specification. (See ON-BOARD DIAGNOSTIC TEST
). (See PCM INSPECTION ).
- If not as specified, replace the PCM. (See PCM REMOVAL/INSTALLATION ).
Specification (Reference)
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.