Hyundai Ioniq (AE): Evaporative Emission Control System / Fuel Filler Cap. Description and operation

Description
A ratchet tightening device on the threaded fuel filler cap reduces the chances of incorrect installation, which seals the fuel filler. After the gasket on the fuel filler cap and the filler neck flange contact each other, the ratchet produces a loud clicking noise indicating the seal has been set.

    Replacement1.Turn ignition switch OFF and disconnect the negative (-) battery cable.2.Remove the filler-neck assembly(Refer to Engine Control/Fuel System - "Filler-Neck Assembly")3.

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    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: In-car Sensor. Description and operation

    DescriptionThe In-car air temperature sensor is built in the heater & A/C control unit.The sensor contains a thermistor which measures the temperature of the inside. The signal decided by the resistance value which changes in accordance with perceived inside temperature, is delivered to heater control unit and according to this signal the contr

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Auto Defogging Sensor. Description and operation

    DescriptionThe auto defogging sensor is installed on the front window glass. The sensor judges and sends signal if moisture occurs to blow out wind for defogging. The air conditioner control module receives signal from the sensor and restrains moisture and eliminate defog by controlling the intake actuator, A/C, auto defogging actuator, blower moto

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