Hyundai Elantra: 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.
2.
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) Owners Manual: Limitations of the System
The Forward Collision Avoidance Assist (FCA) system is designed to monitor the vehicle ahead on the roadway through camera recognition to warn the driver that a collision is imminent, and if necessary, apply emergency braking. In certain situations, the camera may not be able to detect the vehi ...

Hyundai Elantra AD (2016-2020) Service Manual: Troubleshooting
Failure Diagnosis 1. In principle, ESC and TCS controls are prohibited in case of ABS failure. 2. When ESC or TCS fails, only the failed system control is prohibited. 3. However, when the solenoid valve relay should be turned off in case of ESC failure, refer to the ABS fail-safe. 4. ...

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