Hyundai Venue (QX): Heated Oxygen Sensor (HO2S) / Repair procedures

Hyundai Venue (QX) (2020-2026) Service Manual / Engine Control / Fuel System / Engine Control System / Heated Oxygen Sensor (HO2S) / Repair procedures

Inspection

Wave form

Check signal waveform of HO2S using a diagnostic tool.

Specification : Refer to "Waveform"

Heater Resistance

1.	Turn the ignition switch OFF.

2.	Disconnect the knock sensor connector.

3.	Measure resistance between HO2S heater terminals 3 and 4.

Check that the resistance is within the specification.

Specification : Approximately 3.0Ω [20°C (68°F)]

Removal

1.	Turn the ignition switch OFF and disconnect the battery negative (-) terminal.

Disconnect the connector (A), and then remove the sensor (B).

Heated oxygen sensor installation :

39.2 - 49.1 N.m (4.0 - 5.0 kgf.m, 28.9 - 36.2 lb-ft)

•	Note that the SST (Part No.: 09392-1Y100 or 09392-2H100) is useful when removing the heated oxygen sensor.

[Bank 1 / Sensor 1]

Hyundai Venue. Repair procedures

[Bank 1 / Sensor 2]

Hyundai Venue. Repair procedures

Installation

•	Install the component with the specified torques.

•	Note that internal damage may occur when the component is dropped. In this case, use it after inspecting.

•	DON’T use a cleaner, spray, or grease to sensing element and connector of the sensor because oil component in them may malfunction the sensor performance.

•	Sensor and its wiring may be damaged in case of contacting with the exhaust system (Exhaust Manifold, Catalytic Converter, and so on).

1.	Install in the reverse order of removal.

❮Schematic diagrams

Circuit Diagram [M/T] [A/T] Harness Connector [Bank 1 / Sensor 1] [Bank 1 / Sensor 2]

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Hyundai Venue (QX): Heated Oxygen Sensor (HO2S) / Repair procedures

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