Hyundai Elantra: Engine Control System / Camshaft Position Sensor (CMPS) Repair procedures

Hyundai Elantra AD (2016-2020) Service Manual / Engine Control/Fuel System / Engine Control System / Camshaft Position Sensor (CMPS) Repair procedures

Inspection

Check the signal waveform of the CMPS and CKPS using the GDS.

Specification : Refer to "Wave Form"

Removal

•	DON’T remove the camshaft position sensor during engine running or right after engine stops, or a scald by the flowed out engine oil may occur.

[Bank 1 / Intake]

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

2.	Disconnect the camshaft position sensor connector (B) after removing the clip (A).

3.	Remove the installation bolt (C), and then remove the sensor.

[Bank 1 / Exhaust]

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

2.	Disconnect the camshaft position sensor connector (B) after removing the clip (A).

3.	Remove the installation bolt (C), and then remove the sensor.

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.

•	Apply the engine oil to the O-ring.

•	Insert the sensor in the installation hole and be careful not to damage when installation.

•	Be careful not to damage the sensor housing and the connector.

•	Be careful not to damage the O-ring.

Installation is reverse of removal.

Camshaft position sensor installation bolt :

9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)

Camshaft Position Sensor (CMPS) Schematic Diagrams

Circuit Diagram ...

Knock Sensor (KS) Description and Operation

Description Knocking is a phenomenon characterized by undesirable vibration and noise and can cause engine damage. Knock Sensor (KS) is installed on the cylinder block and senses engine knockin ...

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