Hyundai Ioniq (AE): 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 contrl, blower motor level control, mix mode control and in-car humidity control.
Inspection1.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.
Components Location1. Ambient temperature sensor
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Trouble Symptom ChartsTrouble Symptom 1Trouble Symptom 2
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The set vehicle speed varies greatly upward or downward"Surging" (repeated alternating acceleration and deceleration) occurs after settingMalfunction of the vehicle speed se