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

The ambient temperature sensor is located at the front of the condenser and detects ambient air temperature. It is a negative type thermistor; resistance will increase with lower temperature, and decrease with higher temperature.

The sensor output will be used for discharge temperature control, temperature regulation door control, blower motor level control, mix mode control and in-car humidity control.

Photo Sensor. Repair procedures

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

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...

Other information:

Hyundai Santa Fe (TM) 2019-2025 Owner's Manual: Auto defogging system (only for automatic climate control system)

Auto defogging help reduce the possibility of fogging up the inside of the windshield by automatically sensing the moisture on inside the windshield. The auto defogging system operates when the heater or air conditioning is on. Information The auto defogging system may not operate normally, when the outside temperature is below 14°F(-10°C)...

Hyundai Santa Fe (TM) 2019-2025 Service Manual: Description and operation

Description Electronic parking brake (EPB) is motor driven braking system operated by a switch instead of pulling or depressing the lever to engage the brake. Pressing the button will deliver the electronic signal to ECU, and the ECU operates EPB actuator which consists of the gear and the motor...