Hyundai Elantra AD (2016-2020) Service Manual: Engine Control Module (ECM) Repair procedures
Removal
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When replacing the ECM, the vehicle equipped withthe immobilizer must be performed procedure asbelow.
[In the case of installing used ECM]
1) Perform "ECM Neutral mode" procedure with GDS.
(Refer to Body Electrical System - "Immobilizer System")
2) After ...
Hyundai Elantra AD (2016-2020) Service Manual: Transaxle Oil Temperature Sensor Description and Operation
Description
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Transaxle oil temperature sensor monitors the automatic transaxle fluid's temperature and conveys the readings to TCM.
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It is an NTC (Negative Thermal Coefficient) sensor whose
resistance has an inversely proportional relationship with the
temperature level.
†...