INTAKE AIR TEMPERATURE (IAT) SENSOR [WITH CYLINDER DEACTIVATION (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 sends 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

•  Sends a signal to the PCM via SENT communication which fluctuates according to the intake airflow amount just after it passes through the air cleaner.

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Fail-safe

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

•  Sends 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.