Hyundai Sonata LF: Charging System / Alternator Description and Operation

Hyundai Sonata LF 2014-2019 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

    Repair procedures

    On-vehicle Inpection     • First of all, check for DTCs. If a DTC is present, perform troubleshooting in accordance with the procedure for that DTC...

    Alternator Specifications

    Specification ItemSpecificationRated voltage 13.5V, 130A Speed in use 1,000 ~ 18,000 rpm Voltage regulator IC Regulator built-in type Regulator Setting Voltage External mode Refer to below graph Internal mode 14...

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