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Home >> Hyundai >> 2013 >> Veloster Base, Standard Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 2) - Non-Turbo >> DTC P0620: Alternator Control Circuit >> General Information >> Signal Waveform & Data
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Signal Waveform & Data

Fig 1: Display - Alternator Signal Waveform (Idle Status)
G08813937Courtesy of HYUNDAI MOTOR AMERICA
Fig 2: Display - Alternator Signal Waveform (Electrical Load)
G08813938Courtesy of HYUNDAI MOTOR AMERICA

Duty(+) from FR terminal is increased if electrical loads are ON (Head Lamp and Defrost are ON) ECM controls generation of alternator with duty from FR terminal when electrical Loads turn on