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 Service Manual: Intake Air Temperature Sensor (IATS) Description and Operation
Description
Intake Air Temperature Sensor (IATS) is included inside
Manifold Absolute Pressure Sensor and detects the intake air
temperature.
To calculate precise air quantity, correction of the air
temperature is needed because air density varies according to the
temperature. So the ECM ...
Hyundai Sonata LF 2014-2019 Owners Manual: Temperature control
Turn the knob to the right to increase the fan speed and airflow. Turn the knob
to the left to decrease fan speed and airflow.
The temperature will increase or decrease by 1°F/0.5°C for each button press.
When set to the lowest temperature setting, the air conditioning will operate continuously ...
