INTAKE AIR TEMPERATURE (IAT) SENSOR INSPECTION [SKYACTIV-G 2.0]

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IAT Sensor No.1


Resistance inspection

Note
•  Because the IAT sensor No.1 is integrated in the MAF sensor, replacing the IAT sensor No.1 includes replacement of the MAF sensor/IAT sensor No.1.

1.  Remove the battery cover. (See BATTERY REMOVAL/INSTALLATION [SKYACTIV-G 2.0].)

2.  Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [SKYACTIV-G 2.0].)

3.  Disconnect the MAF sensor/IAT sensor No.1 connector.

4.  Measure the resistance between MAF sensor/IAT sensor No.1 terminals A and B.

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•  If not as specified, replace the MAF sensor/IAT sensor No.1. (See MASS AIR FLOW (MAF) SENSOR/INTAKE AIR TEMPERATURE (IAT) SENSOR NO.1 REMOVAL/INSTALLATION [SKYACTIV-G 2.0].)

Specification

IAT (°C {°F})

Resistance (Kilohms)
−20 {−4}
13.7—16.6
20 {68}
2.49—2.79
60 {140}
0.622—0.703

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IAT Sensor No.2


Resistance inspection

Note
•  Because the IAT sensor No.2 is integrated in the MAP sensor, replacing the IAT sensor No.2 includes replacement of the MAP sensor/IAT sensor No.2.

1.  Remove the battery cover. (See BATTERY REMOVAL/INSTALLATION [SKYACTIV-G 2.0].)

2.  Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [SKYACTIV-G 2.0].)

3.  Disconnect the MAP sensor/IAT sensor No.2 connector.

4.  Remove the MAP sensor/IAT sensor No.2. (See MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR/INTAKE AIR TEMPERATURE (IAT) SENSOR NO.2 REMOVAL/INSTALLATION [SKYACTIV-G 2.0].)

5.  Measure the resistance between MAP sensor/IAT sensor No.2 terminals A and B.

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•  If not as specified, replace the MAP sensor/IAT sensor No.2. (See MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR/INTAKE AIR TEMPERATURE (IAT) SENSOR NO.2 REMOVAL/INSTALLATION [SKYACTIV-G 2.0].)

Specification

IAT (°C {°F})

Resistance (Kilohms)
0 {32}
Approx. 5.9
20 {68}
2.375—2.625
80 {176}
Approx. 0.323
130 {266}
Approx. 0.0893

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