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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 B1209: Intake Potentiometer Short (High) >> General Information >> General Description

General Information: General Description

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The Actuator contains a motor that changes intake door position and a potentiometer that monitors position of the door. When the driver changes the air intake switch, the ECU operates intake door motor to turn the intake door to the intended position. (in the FRESH mode, the intake door is closed. In REC mode, the intake door is opened) During operation the potentiometer delivers an intake door position to the A/C-ECU.