Hyundai Sonata: Engine Control System / Crankshaft Position Sensor (CKPS) Troubleshooting

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.
Crankshaft Position Sensor (CKPS) Specifications
Specification ItemSpecificationCoil Resistance (?)774 ~ 946 [20°C (68°F)] ...

Crankshaft Position Sensor (CKPS) Schematic Diagrams
Circuit Diagram ...

Other information:

Hyundai Sonata LF 2014-2019 Owners Manual: Indicator lights
When the ignition switch is placed to the ON position, the ESC indicator light illuminates, then goes off if the ESC system is operating normally. The ESC indicator light blinks whenever the ESC is operating. If ESC indicator light stays on, your vehicle may have a malfunction with the ESC system ...

Hyundai Sonata LF 2014-2019 Service Manual: Troubleshooting
Troubleshooting SymptomSuspect areaEngine will not start or stuggle to startVapor hose damaged or disconnectedEngine stuggle to startMalfunction of the Purge Control Solenoid ValveRough idle or engine stallsVapor hose damaged or disconnectedMalfunction of the PCV valveRough idleMalfunction of t ...

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