Hyundai 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 Description and Operation
Description
The output speed sensor is a vital unit that measures the
rate of rotation of the transaxle's turbine shaft and output shaft, and
delivers the readings to the TCM. The sensor provides critical input
data that's used in feedback control, damper clutch control, gear
setting co ...