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
1.
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.
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.
2.
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)
Hyundai Venue. Repair procedures   
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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

Hyundai Venue. Repair procedures

[Bank 1 / Sensor 2]

Hyundai Venue. Repair procedures

Hyundai Venue. Repair procedures
Installation
Hyundai Venue. Repair procedures   
•
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.
Hyundai Venue. Repair procedures   
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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.

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