Hyundai Elantra: Charging System / Troubleshooting
| Troubleshooting |
| Symptom | Suspect area | Remedy |
| Charging warning indicator does not light with ignition switch "ON" and engine off. | Fuse blown | Check fuses |
| Light burned out | Replace light | |
| Wiring connection loose | Tighten loose connection | |
| Electronic voltage regulator | Disconnect the voltage regulator to see if light turns off. If light turns off, replace voltage regulator. | |
| Charging warning indicator does not go out with engine running. (Battery requires frequent recharging) | Drive belt loose or worn | Adjust belt tension or replace belt |
| Battery cable loose, corroded or worn | Inspect cable connection, repair or replace cable | |
| Electronic voltage regulator or alternator | Disconnect the voltage regulator or alternator to see if light turns off. If light turns off, replace voltage regulator. | |
| Wiring | Repair or replace wiring | |
| Overcharge | Electronic voltage regulator | Disconnect the voltage regulator to see if light turns off. If light turns off, replace voltage regulator. |
| Voltage sensing wire | Repair or replace wiring | |
| Discharge | Drive belt loose or worn | Adjust belt tension or replace belt |
| Wiring connection loose or short circuit | Inspect wiring connection, repair or replace wiring | |
| Electronic voltage regulator or alternator | Disconnect the voltage regulator or alternator to see if light turns off. If light turns off, replace voltage regulator. | |
| Poor grounding | Inspect ground or repair | |
| Worn battery | Replace battery |
Repair procedures
Inspection
Inspecion Item
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Battery efficiency inspection
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Battery voltage inspection
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Charging voltage insptection
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General inspection
•
Terminal tighten ...
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 ...
Other information:
Hyundai Elantra AD (2016-2020) Owners Manual: LKA System Function Change
The driver can change LKA to Lane Departure Warning from the LCD display. Go
to the 'User Settings → Driver Assistance → Lane Safety → Active LKA/Lane Keeping
Assist /Lane Departure Warning/Off'.
Active LKA
The Active LKA mode provides more frequent steering wheel control in comp ...
Hyundai Elantra AD (2016-2020) Owners Manual: Rear Seat Belt – Passenger's 3- point system with convertible locking retractor
This type of seat belt combines the features of both an emergency locking retractor
seat belt and an automatic locking retractor seat belt. Convertible retractor type
seat belts are installed in the rear seat positions to help accommodate the installation
of child restraint systems. Although a ...