Hyundai Elantra: Charging System / Troubleshooting

Hyundai Elantra (CN7) 2021-2024 Service Manual / Engine Electrical System / 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.
Overcharge	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

Description and operation

DescriptionThe charging system included a battery, an alternator with a built-in regulator, and the charging indicator light and wire.The Alternator has eight built-in diodes, each rectifying AC current to DC current...

Repair procedures

InspectionInspecion Item• Battery efficiency inspection• Battery voltage inspection• Charging voltage insptection• General inspection• Terminal tightening state inspection• Engine/ transaxle ground state inspection• Wiring hareness ground state i..

Other information:

Hyundai Elantra (CN7) 2021-2024 Service Manual: Components and components location

Component Location1. Horn switch2. Horn relay (Engine room compartment)3. Horn (Low pitch)4. Horn (High pitch)5. Clock spring..

Hyundai Elantra (CN7) 2021-2024 Owner's Manual: Seat Belt Restraint System

WARNING Improperly positioned seat belts may increase the risk of serious injury in an accident. Take the following precautions when adjusting the seat belt: Position the lap portion of the seat belt as low as possible across your hips, not on your waist, so that it fits snugly. Position one arm under the shoulder belt and the other over the belt, as shown in the illustration. Al..

Odometer

The odometer indicates the total distance that the vehicle has been driven and should be used to determine when periodic maintenance should be performed.