Hyundai Sonata: Engine Control System / Heated Oxygen Sensor (HO2S) Repair procedures

Hyundai Sonata LF 2014-2019 Service Manual / Engine Control / Fuel System / Engine Control System / Heated Oxygen Sensor (HO2S) Repair procedures

Inspection

1.	Turn the ignition switch OFF.

2.	Disconnect the HO2S connector.

3.	Measure resistance between the HO2S terminals 2 and 5 [B1/S1].

4.	Measure resistance between the HO2S terminals 3 and 4 [B1/S2].

Check that the resistance is within the specification.

Specification: Refer to “Specification”

Removal

[Bank 1 / Sensor 1]

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

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

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

[Bank 1 / Sensor 2]

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

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

Installation

•	Install the component with the specified torques.

•	Note that internal damage may occur when the component is dropped. If the component has been dropped, inspect before installing.

•	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).

Install in the reverse order of removal.

Heated oxygen sensor installation:

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

Heated Oxygen Sensor (HO2S) Schematic Diagrams

Circuit Diagram ...

Rail Pressure Sensor (RPS) Description and Operation

Description Rail Pressure Sensor (RPS) is installed on the delivery pipe and measures the instantaneous fuel pressure in the delivery pipe. The sensing element (Semiconductor element) built in ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Front Wheel Speed Sensor Repair procedures
Removal 1. Raise the vehicle, and make sure it is securely supported. 2. Remove the wheel cap(A). Be careful not to damage to the wheel cap(A) when removing the it. 3. Remove the front wheel and tire (A) from front hub. Tightening torque: 88.2 ~ 107.8 N.m (9. ...

Hyundai Sonata LF 2014-2019 Service Manual: DCT (Dual Clutch Transmission) Components and Components Location
Components (1) 1. Dual clutch transmission assembly2. Clutch actuator3. Gear actuator4. Roll rod supprot bracket5. Engine room under cover6. Roll rod bracket7. Dust cover8. Support bracket mounting bolt9. Transmission support bracket Components (2) 1. Clutch actuator2. Fork cover3. Spline ...