Hyundai Ioniq: Engine Control System / Heated Oxygen Sensor (HO2S). Description and operation

Hyundai Ioniq (AE) 2017-2025 Service Manual / Engine Control/Fuel System / Engine Control System / Heated Oxygen Sensor (HO2S). Description and operation

Description
Heated Oxygen Sensor (HO2S) consists of zirconium and alumina and is installed both upstream and downstream of the Manifold Catalytic Converter. The sensor output voltage varies in accordance with the air/fuel ratio.
The sensor must be hot in order to operate normally. To keep it hot, the sensor has a heater which is controlled by the ECM via a duty cycle signal. When the exhaust gas temperature is lower than the specified value, the heater warms the sensor tip.

    Knock Sensor (KS). Repair procedures

    Removal 1.Turn the ignition switch OFF and disconnect the battery negative (-) cable.2.Remove the intake manifold. (Refer to Engine Mechanical System - "Intake Manifold")3...

    Heated Oxygen Sensor (HO2S). Specifications

    SpecificationHO2S [Bank 1 / Sensor 1] Item Specification Heater Resistance (Ω)2.4 - 4.0 [20°C (68°F)]HO2S [Bank 1 / Sensor 2] (Binary Type) A/F Ratio (λ) Output Voltage (V) RICH0...

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    Hyundai Ioniq (AE) 2017-2025 Owner's Manual: FCA Sensor


    In order for the FCA system to operate properly, always make sure the radar sensor cover is clean and free of dirt, snow, and debris. Dirt, snow, or foreign substances on the lens may adversely affect the sensing performance of the sensor. NOTICE Do not apply license plate frame or foreign objects such as a bumper sticker or a bumper guard near the radar sensor...

    Hyundai Ioniq (AE) 2017-2025 Owner's Manual: Air conditioning refrigerant label


    The actual Air Conditioning refrigerant label in the vehicle may differ from the illustration. Each symbols and specification on air conditioning refrigerant label means as below : 1. Classification of refrigerant 2. Amount of refrigerant 3. Classification of Compressor lubricant Refer to chapter 8 for more detail location of the air conditioning refrigerant label...

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    Side view mirror control

    Hyundai Ioniq. Side view mirror control

    Adjusting the side mirrors:

    1. Press either the L (driver's side) or R (passenger's side) button (1) to select the side view mirror you would like to adjust.

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