Hyundai Elantra: Charging System / Alternator Repair procedures

Hyundai Elantra AD (2016-2020) Service Manual / Engine Electrical System / Charging System / Alternator Repair procedures

Removal

1.	Turn ignition switch OFF and disconnect the negative (-) battery cable.

2.	Remove the drive belt. (Refer to Engine Mechanical System - "Drive Belt")

3.	Disconnect the alternator connector (A) and the cable (B) from alternator "B" terminal.

4.	Remove the alternator (B) after loosening the mounting bolts (A).

Installation

1.	Install in the reverse order of removal.

Adjust the alternator belt tension after installation.

(Refer to Engine Mechanical System - "Drive Belt")

Alternator installation bolt :

[12mm (0.47in) bolt]

19.6 ~ 26.5 N.m (2.0 ~ 2.7 kgf.m, 14.5 ~ 19.5 Ib-ft)

[14mm (0.55in) bolt]

29.4 ~ 41.2 N.m (3.0 ~ 4.2 kgf.m, 21.7 ~ 30.4 Ib-ft)

Alternator Schematic Diagrams

Circuit Diagram • COM signal - When controlling the voltage generated, the ECM sends the target voltage data to the alternator via a PWM signal.(High voltage: 4V or h ...

Battery Description and Operation

Description [AGM Battery] AGM battery is used for especially heavy load on the vehicle network depending on equipment and requirements. AGM stands for Absorbent Glass Material Battery; that is ...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Description and Operation
Description The starting system includes the battery, starter, solenoid switch, ignition switch, inhibitor switch (A/T), clutch pedal switch (M/T), ignition lock switch, connection wires and the battery cable. When the ignition key is turned to the start position, current flows and energizes ...

Hyundai Elantra AD (2016-2020) Service Manual: CVVT & Camshaft Repair procedures
Removal • Use fender covers to avoid damaging painted surfaces. • To avoid damage, unplug the wiring connectors carefully while holding the connector portion. • Mark all wiring and hoses to avoid misconnection. • Turn t ...