INTAKE AIR TEMPERATURE (IAT) SENSOR [SKYACTIV-D 2.2]

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IAT Sensor No.1

Purpose/Function

•  Detects the intake air temperature before it passes through the air cleaner as basic information for mainly determining the fuel injection amount.

•  Detects the intake air temperature before it passes through the air cleaner and sends it to the PCM as an intake air temperature signal.

Construction

•  Built into the MAF sensor.

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

Operation

•  Sends 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	•  PCM restricts engine torque. •  Inhibits the two-stage turbo control. •  Inhibits the EGR control. •  Inhibits the diesel particulate filter regeneration control. •  The fast idle up correction for the idle speed control is inhibited. •  Inhibits engine-stop by operating the i-stop function. •  PCM restricts engine-transaxle integration control.
P0113:00	•  PCM restricts engine torque. •  Inhibits the two-stage turbo control. •  Inhibits the EGR control. •  Inhibits the diesel particulate filter regeneration control. •  The fast idle up correction for the idle speed control is inhibited. •  Inhibits engine-stop by operating the i-stop function. •  PCM restricts engine-transaxle integration control.

IAT Sensor No.2

Purpose/Function

•  Detects the IAT (in intake manifold) as basic information for mainly determining the fuel injection amount.

•  Detects the IAT (in intake manifold) and sends it to the PCM as an intake air temperature signal.

Construction

•  Installed on the intake manifold.

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•  A thermistor 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

DTC No.	Fail-safe function
P0097:00	•  Inhibits the EGR control. •  Inhibits engine-stop by operating the i-stop function. •  PCM restricts engine-transaxle integration control.
P0098:00	•  Inhibits the EGR control. •  Inhibits engine-stop by operating the i-stop function. •  PCM restricts engine-transaxle integration control.