Hyundai Santa Fe: Air conditioning System / Photo Sensor. Description and operation

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.

In-car Sensor. Description and operation

Description The In-car air temperature sensor is built in the heater & A/C control unit. The sensor consists of a thermistor that measures the inside temperature...

Photo Sensor. Repair procedures

Inspection 1. Emit intensive light toward the photo sensor using a lamp, and check the output voltage change. 2...

Other information:

Hyundai Santa Fe (TM) 2019-2025 Owner's Manual: System Operation

When all the conditions are satisfied, the Vehicle Auto-Shut Off operates and turns the engine off automatically after 60 minutes. A timer appears on the instrument cluster 30 minutes before vehicle shut off. Resetting cluster timer To reset the cluster timer, do one of following: Release the accelerator pedal or brake pedal after Vehicle Auto-Shut Off is complete...

Hyundai Santa Fe (TM) 2019-2025 Owner's Manual: Air cleaner

Filter replacement The air cleaner filter can be cleaned for inspection using compressed air. Do not attempt to wash or to rinse it, as water will damage the filter. If soiled, the air cleaner filter must be replaced. 1. Pull up the air cleaner filter cover (1)...