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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 120 (Air Conditioning System Diagnosis (HEV)) >> DTC B1242: Evaporator Sensor Open (High) >> General Information >> General Description

General Information: General Description

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The Evaporator sensor is located on the AC/Heater box and it detects the evaporator core temperature. When the core temperature is below the threshold value, the A/C-ECU interrupts the compressor relay in order to prevent evaporator freezing.