Hyundai Ioniq (AE): High Voltage Battery Control System / Battery Temperature Sensor. Description and operation
Battery Temperature Sensor is installed inside the high voltage battery pack assembly. It measures the temperature of the battery module 1, 4 and air inlet. In addition, it integrates the voltage sensing wiring for each module.

Removal
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Be sure to read and follow the "General Safety Information and Caution" before doing any work related with the high voltage system.
Specification[Air Inlet]
Temperature
Resistance (kΩ)
°C
°F
-50-58314.