Hyundai Sonata LF: Engine Control System / Fuel Pressure Control Valve Schematic Diagrams

Fuel Pressure Control Valve Troubleshooting

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Fuel Pressure Control Valve Repair procedures

Inspection 1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. Disconnect the fuel pressure regulator valve connector...

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Hyundai Sonata LF 2014-2019 Service Manual: 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...