Hyundai Azera: Knock Sensor (KS) Repair procedures

Fifth generation HG (2011â€“2025) / Hyundai Azera 2011-2025 Service Manual / Engine Control/Fuel System / Engine Control System / Knock Sensor (KS) Repair procedures

Removal

[Knock Sensor #1 (Bank 1)]

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

2.	Disconnect the knock sensor connector (A).

3.	Remove the intake manifold. (Refer to Engine Mechanical System - "Intake Manifold")

4.	Remove the installation bolt (A), and then remove the sensor from the cylinder block.

[Knock Sensor #2 (Bank 2)]

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

2.	Disconnect the knock sensor connector (A).

3.	Remove the intake manifold. (Refer to Engine Mechanical System - "Intake Manifold")

4.	Remove the installation bolt (A), and then remove the sensor from the cylinder block.

Installation

â€¢	Install the component with the specified torques.

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

â€¢	The sensor connector must be installed parallel to the direction of the engine.

Installation is reverse of removal.

Knock sensor installation bolt:

15.7 ~ 23.5 N.m (1.6 ~ 2.4 kgf.m, 11.6 ~ 17.4 lb-ft)

Knock Sensor (KS) Schematic Diagrams

Circuit Diagram ...

Heated Oxygen Sensor (HO2S) Description and Operation

Description Heated Oxygen Sensor (HO2S) consists of the zirconium and the alumina and is installed on upstream and downstream of the Warm-up Catalytic Converter (WCC). After it compares oxygen ...

Hyundai Azera: Knock Sensor (KS) Repair procedures

Knock Sensor (KS) Schematic Diagrams

Heated Oxygen Sensor (HO2S) Description and Operation

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