Hyundai Sonata LF: General Information

Hyundai Sonata LF 2014-2019 Service Manual

Service Manual for seventh generation Hyundai Sonata, model years 2014–2019. The Sonata LF is the first model to utilize Hyundai Motor's third-generation vehicle platform...

Important Safety Notice

General Information Proper service methods and repair procedures are essential for safe, reliable operation of all motor vehicles as well as personal safety of the operator...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: 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 higher, low voltage: 2V or lower) • FR signal - The transistor activation signal inside the alternator monitors the voltage generated by the alternator to control the excitation current before it sends the FR signal to the ECM...

Hyundai Sonata LF 2014-2019 Service Manual: Speaker Repair procedures

Inspection 1. Troubleshooting for Speaker (1) Basic inspection of speaker Inspect the sound from speaker after verifying that the speaker mounting screws is removed and the wiring connector is connected precisely to remove vibration transmitted from body trims and surrounding parts...