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

    Troubleshooting
    Trouble Shooting Ignition System Symptom Suspect area Remedy Engine will not start or is hard to start (Cranks OK) Ignition lock switc ...

    Repair procedures
    Compression Pressure Inspection If the there is lack of power, excessive oil consumption or poor fuel economy, measure the com ...

    Troubleshooting
    Troubleshooting Trouble Symptom Probable cause Remedy Vehicle pulls to one side Scoring of driveshaft ball joint Replace ...