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 MANUALSMAZDA2013MX-5 MIATA GRAND TOURING, AUTOMATIC TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEENGINE CONTROL SYSTEMSINTAKE AIR TEMPERATURE (IAT) SENSOR INSPECTIONRESISTANCE INSPECTION
2013 Mazda MX-5 Miata Grand Touring, Automatic Trans
Resistance Inspection
2013 Mazda MX-5 Miata Grand Touring, Automatic TransSECTION Resistance Inspection
- Remove the battery cover.
- Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [LF] ).
- Disconnect the MAF/IAT sensor connector.
- Verify that the resistance between MAF/IAT sensor terminals D and E is within the specification.
- If the monitor item status/specification (reference) is not within the specification, even though the IAT sensor resistance is within the specification, perform the "Circuit Open/Short Inspection".
- If not within the specification, replace the MAF/IAT sensor. (See MASS AIR FLOW (MAF)/INTAKE AIR TEMPERATURE (IAT) SENSOR REMOVAL/INSTALLATION ).
STANDARD
| Ambient temperature (°C {°F}) | Resistance (kilohm) |
|---|---|
| 20 {68} | 2.21-2.69 |
| 60 {140} | 0.493-0.667 |
RENDER: 1.0x
NO RELATED
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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.