Hyundai Sonata: Air Conditioning System / In-car Sensor Repair procedures

Diagnosis With GDS
1.
The heating, ventilation and air conditioning can be quickly diagnosed failed parts with vehicle diagnostic system (GDS).
? The diagnostic system (GDS) provides the following information.
(1) Self diagnosis: Checking the failure code (DTC) and display.
(2) Current data: Checking the system input/output data state.
(3) Actuation test: Checking the system operation condition.
(4) Additional function: Other controlling such as he system option and zero point adjustment.
2.
Select the 'Car model' and the system to be checked in order to check the vehicle with the tester.
3.
Select the 'Current data' menu to search the current state of the input/output data.
The input/output data for the sensors corresponding to the In-car Sensor can be checked.

In-car Sensor Description and Operation
Description The sensor contains a thermistor which measures the temperature of the inside. The signal decided by the resistance value which changes in accordance with perceived inside temperatu ...

Photo Sensor Description and Operation
Description The photo sensor is located at the center of the defrost nozzles. The photo sensor contains a photovoltaic (sensitive to sunlight) diode. The solar radiation received by its light r ...

Other information:

Hyundai Sonata LF 2014-2019 Owners Manual: Rear Combination Light Bulb Replacement
(1) Stop/Tail lamp (2) Turn signal lamp (3) Tail lamp (4) Back-up lamp (5) Rear side marker (LED) (if equipped) Stop/Tail lamp and Turn signal lamp (Bulb type) 1. Open the trunk lid. 2. Remove the service cover by pulling it out. 3. Remove the socket from the assembly by turning the socket counte ...

Hyundai Sonata LF 2014-2019 Service Manual: Description and Operation
Description The changed position of the seat by memorizing into the power seat unit with IMS switch controlling the optimal seat position set by the driver can be restored with the IMS switch. It has the function of prohibiting the restoring action during driving and emergent stopping the l ...

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