Hyundai Elantra: Inspection - Crankshaft Position Sensor (CKPS). Repair 
procedures - Engine Control System - Fuel System - Hyundai Elantra MD 2010-2015 Service manualHyundai Elantra: Inspection

1.
Check signal waveform of CKPS and CMPS using a scan tool.

Specification: Refer to Waveform