Hyundai Sonata: Intake Air Temperature Sensor (IATS). Repair procedures - Engine Control System - Engine Control/Fuel SystemHyundai Sonata: Intake Air Temperature Sensor (IATS). Repair procedures

Hyundai Sonata YF 2011-2014 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.
4.
Check that the resistance is within the specification.
Specification: Refer to “Specification”

    Engine Coolant Temperature Sensor (ECTS). Description and Operation
    Description Engine Coolant Temperature Sensor (ECTS) is located in the engine coolant passage of the cylinder head for detecting the engine coolant temperature. The ECTS uses a thermistor th ...

    See also:

    Repair procedures
    Inspection Test the horn by connecting battery voltage to the 1 terminal and ground the 2 terminal. The horn should make a sound. If the horn fails to make a sound, replace it. Horn ...

    Air intake control
    Type A Type B This is used to select the outside (fresh) air position or recirculated air position. To change the air intake control position, push the control button. Recirculated air po ...

    Transaxle Control Module (TCM). Schematic Diagrams
    1. TCM Connector and Terminal Function 2. TCM Terminal Function Connector [CHG-AG] Pin Description Pin Description 1 & ...