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

Hyundai Sonata LF 2014-2019 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”

Intake Air Temperature Sensor (IATS) Schematic Diagrams

Circuit Diagram ...

Ambient Temperature Sensor (ATS) Description and Operation

Description Ambient Temperature Sensor (ATS) is installed on the front-end module and senses the ambient temperature. ECM receives not only the intake air temperatue but also the ambient air te ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Intake Air Temperature Sensor (IATS) Specifications
Specification TemperatureResistance (k?)°C°F-40-4040.93 ~ 48.35-20-413.89 ~ 16.030325.38 ~ 6.0910503.48 ~ 3.9020682.31 ~ 2.57401041.08 ~ 1.21501221.56 ~ 1.74601400.54 ~ 0.62801760.29 ~ 0.34 ...

Hyundai Sonata LF 2014-2019 Service Manual: Auto Head Lamp Leveling Unit Troubleshooting
Inspection with GDS Initialization and diagnosis sequence by using GDS equipment. Below content summarize the procedure for A/S using GDS. NoProcedure1Locate vehicle to flat plane2Tire check3IGN1 ON4Head lamp Low Beam ON5Connection with diagnostic tool6Initial command by diagnostic tool7Clear ...