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.
2013 Mazda MX-5 Miata Grand Touring, Automatic TransFACTORY OEM SERVICE PROCEDURE
Manifold Absolute Pressure (Map) Sensor Inspection: Notes
NOTE:
- Before performing the following inspection, make sure to follow the procedure as indicated in the troubleshooting flowchart. (See HOW TO USE THIS SERVICE INFORMATION ).
- Connect the M-MDS to the DLC-2.
- Turn the ignition switch to the ON position (Engine off).
- Select MAP PID on the M-MDS.
- Verify that the MAP PID (pressure) and barometric pressure are practically equal.
- If not as verified, perform the "Circuit Open/Short Inspection".
- If there is no open or short circuit, replace the MAP sensor. (See MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR REMOVAL/INSTALLATION ).
- If as verified, go to next step.
- If not as verified, perform the "Circuit Open/Short Inspection".
- Apply vacuum of -25.0 kPa {-187 mmHg, -7.38 inHg}
to the MAP sensor, and verify that the MAP variation from that of Step 4 is approx. 25.0 kPa {187 mmHg, 7.38 inHg}.
- If not as verified, perform the "Circuit Open/Short inspection".
- If there is no open or short circuit, replace the MAP sensor. (See MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR REMOVAL/INSTALLATION ).
- If not as verified, perform the "Circuit Open/Short inspection".
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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