Hyundai Elantra: Power Door Locks / Power Door Lock Switch Repair procedures
Power Door Lock Switch Inspection
1. |
Check for continuity between the terminals. If there is an abnormality, replace the switch. 

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• |
Be careful not to scratch the door trim and other parts. |
• |
Use caution in keeping and handling during disassembling/assembling because it is easily contaminated with lubricant and oil. |
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Driver Power Window Switch
1. |
Disconnect the negative (-) battery terminal. |
2. |
Remove the front door trim.
(Refer to Body - "Front Door Trim") |
3. |
Remove the power window switch assembly after disengaging the mounting clips. 
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1. |
Install the power window switch assembly. |
2. |
Install the front door trim after connect the connector. |
3. |
Connect the negative (-) battery terminal. |
Inspection
•
Wrap the protective tape on the tool to disassemble with the screwdriver or remover.
•
Use caution in keeping and handling during disassembling/asse ...
Other information:
Hyundai Elantra AD (2016-2020) Service Manual: Troubleshooting
Standard Flow of Diagnostic Troubleshooting
Notes With Regard To Diagnosis
The phenomena listed in the following table are not abnormal.
ConditionExplanationSystem check soundWhen starting the engine, a thudding sound can sometimes be heard coming from inside the engine compartment. This is bec ...
Hyundai Elantra AD (2016-2020) Service Manual: Alternator Description and Operation
Description
The Alternator has eight built-in diodes, each rectifying AC current to DC current.
Therefore, DC current appears at alternator "B" terminal.
In addition, the charging voltage of this alternator is regulated by the battery voltage detection system.
The alternator is regulated by th ...