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

Hyundai Kona (OS) 2018-2020 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 ...

Heated Oxygen Sensor (HO2S) Specifications
Specification HO2S [Bank 1/Sensor 1] (Linear type) Item Specification Heater Resistance (Ω) 2.4 - 4.0 [20°C (68°F)] ...

Other information:

Hyundai Kona (OS) 2018-2020 Owners Manual: Air bag - supplemental restraint system
■ Left-Hand drive type The actual air bags in the vehicle may differ from the illustration. 1. Driver’s front air bag 2. Passenger’s front air bag 3. Side air bag* 4. Curtain air bag* 5. Front passenger air bag ON/OFF switch* ■ Right-Hand drive type The actual air bags in the vehicle may ...

Hyundai Kona (OS) 2018-2020 Owners Manual: Clothes hanger
These hangers are not designed to hold large or heavy items.\ WARNING Do not hang other objects such as hangers or hard objects except clothes. Also, do not put heavy, sharp or breakable objects in the clothes pockets. In an accident or when the curtain air bag is inflated, it may cause vehicle ...

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