Kia Niro: Engine Control System / Camshaft Position Sensor (CMPS) Repair procedures

Kia Niro 2017 (DE HEV) 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 KDS/GDS.

Specification: Refer to “Wave Form”

Removal

•	Do NOT remove the camshaft position sensor with engine running or right after engine stops due to the possibility of scalding from hot engine oil flowing out.

[Bank 1 / Intake]

1.	Switch "OFF" the ignition and disconnect the negative (-) battery terminal.

2.	Remove the air cleaner. (Refer to Engine Mechanical System - "Air Cleaner")

3.	Disconnect the camshaft position sensor connector (A).

Remove the camshaft position sensor after loonsening the mounting bolt (B).

Camshaft position sensor mounting bolt:

7.8 - 11.8 N·m (0.8 - 1.2 kgf·m, 5.7 - 8.7 lb·ft)

[Bank 1 / Exhaust]

1.	Switch "OFF" the ignition and disconnect the negative (-) battery terminal.

2.	Disconnect the camshaft position sensor connector (A).

Remove the camshaft position sensor after loonsening the mounting bolt (B).

Camshaft position sensor mounting bolt:

7.8 - 11.8 N·m (0.8 - 1.2 kgf·m, 5.7 - 8.7 lb·ft)

Installation

•	Install the component to the specified torque.

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

•	Apply engine oil to the O-ring.

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

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

•	Be careful not to damage the O-ring.

1.	Install in the reverse order of removal.

Camshaft Position Sensor (CMPS) Schematic diagrams

Circuit Diagram Harness Connector CMPS [Bank 1 / Intake] CMPS [Bank 1 / Exhaust] ...

Camshaft Position Sensor (CMPS) Troubleshooting

Signal Waveform This example shows a typical Crankshaft Position Sensor (CKPS) and Camshaft Position Sensor (CMPS) waveforms at idle. The PCM controls the injection and ignition tim ...

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