Hyundai Elantra: 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: Air bag inflation conditions
Front air bags Front air bags and the driver’s knee air bag are designed to inflate in a frontal collision depending on the the severity of impact of the front collision. Side and curtain air bags Side and curtain air bags are designed to inflate when an impact is detected by side col ...

Hyundai Elantra AD (2016-2020) Service Manual: Components and Components Location
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