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Home >> Hyundai >> 2023 >> Tucson Plug-In Hybrid Limited >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (PHEV) (1 Of 8) >> Component Location And Function >> Component Function >> AATS >> Ambient Air Temperature Sensor (AATS)

Ambient Air Temperature Sensor (AATS)

G16170298Courtesy of HYUNDAI MOTOR AMERICA

Ambient Air Temperature Sensor (AATS) measures the temperature of the air coming into the engine with Negative Temperature Coefficient Thermistor. The engine Electronic Control Unit (ECU) adjusts the fuel amount in accordance with the temperature information it received from the AATS and Intake Air Temperature Sensor (IATS).