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

The auto defogging sensor is installed on the front window glass. The sensor judges and sends signal if moisture occurs to blow out wind for defogging. The air conditioner control module receives signal from the sensor and restrains moisture and eliminate defog by controlling the intake actuator, A/C, auto defogging actuator, blower motor rpm, and mode actuator.

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...

Auto Defogging Sensor. Repair procedures

Inspection To inspect and diagnose the sensor, refer to Self-Diagnosis procedure and DTC guide. Replacement 1...

Other information:

Hyundai Santa Fe (TM) 2019-2025 Owner's Manual: Heating and air conditioning

1. Start the engine. 2. Set the mode to the desired position. To improve the effectiveness of heating and cooling, select: - Heating: - Cooling: 3. Set the temperature control to the desired position. 4. Set the air intake control to the outside (fresh) air position...

Hyundai Santa Fe (TM) 2019-2025 Owner's Manual: Checking the coolant level

Check the condition and connections of all cooling system hoses and heater hoses. Replace any swollen or deteriorated hoses. The coolant level should be filled between the MAX and the MIN marks on the side of the coolant reservoir when the engine is cool...