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: Evaporator Core Repair procedures
Replacement 1. Disconnect the negative (-) battery terminal. 2. Remove the heater and blower assembly. (Refer to Heater - "Heater Unit") 3. Remove the heater unit lower case (A) after loosening the mounting screws. 4. Pull out the evaporator core (A) from the heater unit. 5. T ...

Hyundai Elantra AD (2016-2020) Service Manual: Starter Repair procedures
Removal 1. Disconnect the battery negative terminal. 2. Remove the battery tray. (Refer to Engine Electrical System - "Battery") 3. Remove the air duct and air cleaner assembly. (Refer to Engine Mechanical System - "Air Cleaner") 4. Disconnect the starter cable (A) from the B te ...