Hyundai Sonata LF: Heating, Ventilation and Air Conditioning / Heater

Ambient Temperature Sensor Repair procedures

Inspection 1. Check the resistance of the ambient temperature sensor between terminals 1 and 2 whether it changes by changing the ambient temperature...

Heater Unit Components and Components Location

Component Location 1. Heater unit assembly Compoents (1) 1. Mode actuator2. Mode bracket plate3. Mine link plate4. Temperature control actuator [LH]5...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: General Information

General Troubleshooting Information Before Troubleshooting 1. Check applicable fuses in the appropriate fuse/relay box. 2. Check the battery for damage, state of charge, and clean and tight connections. (Refer to Engine Electrical System - "Battery")     • Do not quick-charge a battery unless the battery ground cable has been disconnected, otherwise you will damage the alternator diodes...

Hyundai Sonata LF 2014-2019 Service Manual: 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 receiving portion, generates an electromotive force in proportion to the amount of radiation received which is transferred to the automatic temperature control module so that the solar radiation compensation will be performed...