INTAKE AIR TEMPERATURE (IAT) SENSOR [SKYACTIV-G 2.0, SKYACTIV-G 2.5]

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IAT Sensor No.1

Purpose/Function

•  Detects the IAT before it passes through the throttle body as basic information for mainly determining the fuel injection amount.

•  Detects the IAT before it passes through the throttle body and inputs it to the PCM as an IAT signal.

Construction

•  Built into the MAF sensor.

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•  A cold resistor has been adopted as the detecting element for detecting the IAT.

Operation

•  Inputs the signal, which fluctuates according to the IAT after passing through the air cleaner, to the PCM.

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IAT sensor No.1 characteristic

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Fail-safe

DTC No.	Fail-safe function
P0112:00	•  Fixes the intake air temperature (for engine control) at 20 °C {68 °F}. •  Inhibits the fuel cut control during shift change.
P0113:00	•  Fixes the intake air temperature (for engine control) at 20 °C {68 °F}. •  Inhibits the fuel cut control during shift change.

IAT Sensor No.2

Purpose/Function

•  Detects the IAT (in intake manifold) after it passes through the throttle body as basic information for mainly determining the fuel injection amount.

•  Detects the IAT (in intake manifold) after it passes through the throttle body and inputs it to the PCM as an intake air temperature signal.

Construction

•  Built into the MAP sensor.

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•  A cold resistor has been adopted as the detecting element for detecting the IAT.

Operation

•  Inputs the signal, which fluctuates according to the IAT in the intake manifold, to the PCM.

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IAT sensor No.2 characteristic

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Fail-safe

•  Function not equipped.