Hyundai Elantra: Charging System / Alternator Description and Operation

Hyundai Elantra AD (2016-2020) Service Manual / Engine Electrical System / Charging System / 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 the battery voltage detection system.

The main components of the alternator are the rotor, stator, rectifier, capacitor brushes, bearings and V-ribbed belt pulley.

The brush holder contains a built-in electronic voltage regulator.

1. Brush
2. OAD (Overrunning Alternator Decoupler)
3. Rotor
4. Stator

Troubleshooting

Troubleshooting SymptomSuspect areaRemedyCharging warning indicator does not light with ignition switch "ON" and engine off.Fuse blownCheck fusesLight burned outReplace lightWiring connection loo ...

Alternator Specifications

Specification ItemSpecificationRated voltage 13.5V, 150A Speed in use 1,000 ~ 18,000 rpm Voltage regulator IC Regulator built-in type Regulator Setting Voltage External mode Re ...

Other information:

Hyundai Elantra AD (2016-2020) Owners Manual: Accumulated Info display
This display shows the accumulated trip distance (1), the average fuel economy (2), and the total driving time (3). The information is accumulated starting from the last reset. To reset the details, press and hold the OK button when viewing the Accumulated driving info. The trip distance, th ...

Hyundai Elantra AD (2016-2020) Owners Manual: Engine Compartment Panel Fuse Replacement
■ Blade type fuse ■ Cartridge type fuse 1. Turn the engine off. 2. Turn all other switches OFF. 3. Remove the fuse panel cover by pressing the tap and pulling up. 4. Check the removed fuse; replace it if it is blown. To remove or insert the fuse, use the fuse puller in the engine comp ...