Hyundai Sonata LF: Engine Electrical System

Muffler Repair procedures

Removal and Installation Front Muffler 1. Disconnect the battery negative terminal. 2. Disconnect the rear oxygen sensor connector (A). 3...

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Hyundai Sonata LF 2014-2019 Service Manual: Drive Belt Components and Components Location

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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...