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) Service Manual: Repair procedures
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Hyundai Elantra AD (2016-2020) Owners Manual: Engine Start/Stop Button
Whenever the front door is opened, the Engine Start/Stop button will illuminate and will go off 30 seconds after the door is closed. WARNING To reduce risk of serious injury or death, NEVER allow children or any person who is unfamiliar with the vehicle to touch the Engine Start/Stop button ...