INTAKE AIR TEMPERATURE (IAT) SENSOR INSPECTION [ZJ, ZY]

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Resistance Inspection

1.  Disconnect the MAF/IAT sensor connector.

2.  Verify that the resistance between terminals D and E is within the specification.

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•  If not within the specification, replace the MAF/IAT sensor. (See MASS AIR FLOW (MAF)/INTAKE AIR TEMPERATURE (IAT) SENSOR REMOVAL/INSTALLATION [ZJ, ZY].)

IAT sensor resistance

IAT (°C {°F})	Resistance (kilohm)
–20 {–4}	13.6—18.4
20 {68}	2.21—2.69
60 {140}	0.493—0.667

IAT sensor characteristics graph (reference)

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