Kia Rio: Description - Camshaft Position Sensor (CMPS) - Engine Control System - Engine Control / Fuel System - Kia Rio UB 2012-2020 Service ManualKia Rio: Description

Camshaft Position Sensor (CMPS) is a hall sensor and detects the camshaft position by using a hall element.
It is related with Crankshaft Position Sensor (CKPS) and detects the piston position of each cylinder which the CKPS can't detect.
The CMPS is installed on engine head cover and uses a target wheel installed on the camshaft. The Cam Position sensor is a hall-effect type sensor. As the target wheel passes the Hall sensor, the magnetic field changes in the sensor. The sensor then switches a signal which creates a square wave.

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Camshaft Position Sensor (CMPS)
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Wave Form
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See also:

Ignition Coil: Circuit Diagram
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Underdrive Brake Control Solenoid Valve(UD/B_VFS) Inspection
1. Turn ignition switch OFF. 2. Disconnect the solenoid valve connector. 3. Measure resistance between sensor ...

Back-up Lamp Switch Inspection
1. Disconnect the back up lamp switch connector (A). 2. Check the continuity between no. 1 and 2 terminals of backup lamp switch. W ...

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