Hyundai Sonata LF: Air Conditioning System / Photo Sensor Description and Operation

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...

Photo Sensor Repair procedures

Inspection 1. Turn the ignition switch ON. 2. Connect the GDS. 3. Emit intensive light toward the photo sensor using a lamp, and check the output voltage change...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Heated Oxygen Sensor (HO2S) Specifications

Specification HO2S [Bank 1/Sensor 1] (Linear type) ItemSpecificationHeater Resistance (?)2.4 ~ 4.0 [20°C(68°F)] ItemSpecificationHeater Resistance (?)Approx. 9.0 [20°C(68°F)] HO2S [Bank 1/Sensor 2] (Binary type) A/F Ratio (?)Output Voltage(V)RICH0...

Hyundai Sonata LF 2014-2019 Service Manual: AVN Keyboard Repair procedures

Removal 1. Disconnect the negative (-) battery terminal. 2. Using a screwdriver or remover, separate the center fascia panel (A). 3. Remove the center fascia panel (A) after disconnect the connector. 4. Remove the AVN keyboard unit (A) after loosening the screws...