Kia Cadenza: Engine Control System / Heated Oxygen Sensor (HO2S) Repair procedures

Kia Cadenza YG 2016-2024 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 3 and 4.

Check that the resistance is within the specification.

Specification: Refer to “Specification”

Removal

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 or 09392-2H100) is useful when removing the heated oxygen sensor.

[Bank 1/Sensor 1]

[Bank 1/Sensor 2]

[Bank 2/Sensor 1]

[Bank 2/Sensor 2]

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).

Install in the reverse order of removal.

Heated oxygen sensor installation:

35.3 ~ 45.1 N.m (3.6 ~ 4.6 kgf.m, 26.0 ~ 33.3 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:

Kia Cadenza YG 2016-2024 Owners Manual: Electronic Parking Brake (EPB)

Applying the parking brake To apply the EPB (Electronic Parking Brake): 1. Depress the brake pedal. 2. Pull up the EPB switch. 3. Make sure the warning light comes on. Also, the EPB is applied automatically if the Auto Hold button is on when the engine is turned off. However, if you ...

Kia Cadenza YG 2016-2024 Owners Manual: Immobilizer system

Your vehicle is equipped with an electronic engine immobilizer system to reduce the risk of unauthorized vehicle use. Whenever the ENGINE START/STOP button is changed to the ON position, the immobilizer system checks and verifies if the key is valid or not. If the key is valid, the eng ...