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

Hyundai Ioniq (AE) 2017-2024 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) 2017-2024 Owner's Manual: When the Hybrid Vehicle Shuts Off


    When the high voltage battery is discharged, when the 12-volt battery is discharged, or when the fuel tank is empty, the hybrid system may not operate while driving. When the Hybrid system does not operate, do the followings: 1. Gradually reduce the vehicle speed...

    Categories

    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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