Hyundai Ioniq: Engine Control System / Camshaft Position Sensor (CMPS). Troubleshooting

Hyundai Ioniq (AE) 2017-2025 Service Manual / Engine Control/Fuel System / Engine Control System / Camshaft Position Sensor (CMPS). Troubleshooting

Signal Waveform

This example shows a typical Crankshaft Position Sensor (CKPS) and Camshaft Position Sensor (CMPS) waveform at idle. The PCM controls the injection and ignition timing by using these signals.

Generally CKPS signal is used to detect the piston's position and CMPS signal is used to detect the Top Dead Center of each cylinder.

Camshaft Position Sensor (CMPS). Description and operation

DescriptionCamshaft 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...

Camshaft Position Sensor (CMPS). Schematic diagrams

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Other information:

Hyundai Ioniq (AE) 2017-2025 Service Manual: Repair procedures

Removal1.Turn ignition switch OFF and disconnect the battery negative (-) terminal.2.Remove the engine room under cover.(Refer to Engine Mechanical System - "Engine Room Under Cover")3.Disconnect the clutch actuator connector (A).4.Remove the fork cover (A)...

Hyundai Ioniq (AE) 2017-2025 Service Manual: Drive Belt. Repair procedures

Removal1.Remove the engine room under cover.(Refer to Engine and Transaxle Assembly - "Engine Room Under Cover")2.Remove the drive belt.(1)Using the wrench, turning the mechanical tensioner (A) counterclockwise and then insert a stopper pin into the hole...