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 • Battery efficiency inspection • Battery voltage inspection • Charging voltage insptection • 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) Service Manual: Rear Body Body Repair
* These dimensions indicated in this figure are actual-measurement dimensions. [ Unit : mm (inch) ] Side outer panel rear cornerSide outer panel rear cornerSide outer panel rear cornerRear combination lamp mounting hole (O8)Rear bumper mounting hole (8.5X8.5)Rear bumper mounting hole (14X16 ...

Hyundai Elantra AD (2016-2020) Owners Manual: Blind-spot Collision Warning (BCW)
System Description Blind-Spot Collision Warning (BCW) The Blind-Spot Collision Warning (BCW) system uses radar sensors in the rear bumper to monitor and warn the driver of an approaching vehicle in the driver's blind spot area. 1) Blind-Spot Area The blind spot detection range varies r ...

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