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Crankshaft Position Sensor (CKPS) Troubleshooting
Crankshaft Position Sensor (CKPS) Repair proceduresHyundai Elantra AD (2016-2020) Owners Manual: If the Engine Will not Start
If the Engine Doesn't Turn Over or Turns Over Slowly
Be sure the shift lever is in N (Neutral) or P (Park). The engine starts
only when the shift lever is in N (Neutral) or P (Park).
Check the battery connections to be sure they are clean and tight.
Turn on the interior light. If the ...
Hyundai Elantra AD (2016-2020) Service Manual: Output Speed Sensor Repair procedures
Inspection
1.
Using the GDS, check the input/output speed sensor waveforms.
A.
Turn OFF the ignition switch.
B.
Connect the GDS to the Data Link Connector(DLC) on the lower crash pad.
C.
Ignition "ON" & Engine "ON".
D.
Check the input/output speed sensor waveforms at high spe ...