Hyundai Ioniq: Engine Control System / Intake Air Temperature Sensor (IATS). Repair procedures

Hyundai Ioniq (AE) 2017-2025 Service Manual / Engine Control/Fuel System / Engine Control System / Intake Air Temperature Sensor (IATS). Repair procedures

Inspection

1.	Turn the ignition switch OFF.

2.	Disconnect the IATS connector.

3.	Measure resistance between the IATS terminals 3 and 4.

Check that the resistance is within the specification.

Specification : Refer to "Specification"

Removal

1.	Turn ignition switch OFF and disconnect the negative (-) battery cable.

2.	Remove the air cleaner assembly (Refer to Engine Mechanical System - "Air Cleaner")

3.	Disconnect the manifold absolute pressure sensor connector (A).

4.	Remove the installation bolt (B), and then remove the sensor from the surge tank.

Installation

•	Install the component with the specified torques.

•	Note that internal damage may occur when the component is dropped. If the component has been dropped, inspect before installing.

•	Insert the sensor in the installation hole and be careful not to damage.

Install in the reverse order of removal.

Manifold absolute pressure sensor installation bolt :

9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)

Intake Air Temperature Sensor (IATS). Schematic diagrams

C..

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