Mazda 3 Service Manual: Intake Air Temperature (Iat) Sensor Inspection [Mzr 2.0, Mzr 2.5]

Mazda 3 Service Manual / Engine / Control / Sensors, Switches, Relays / Intake Air Temperature (Iat) Sensor Inspection [Mzr 2.0, Mzr 2.5]

Resistance Inspection

NOTE:

Because the IAT sensor is integrated in the MAF sensor, replacing the IAT sensor includes replacement of the MAF/IAT sensor.

1. Remove the battery cover..

2. Disconnect the negative battery cable..

3. Disconnect the MAF/IAT sensor connector.

4. Measure the resistance between MAF/IAT sensor terminals D and E.

If not as specified, replace the MAF/IAT sensor..

Specification


IAT (°C {°F})	Resistance (kilohms)
20 {68}	2.21—2.69
60 {140}	0.493—0.667

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