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Home >> Hyundai >> 2017 >> Accent Value Edition >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC P0620: Alternator Control Circuit >> Specification >> Signal Waveform & Data
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Signal Waveform & Data

Fig 1: Screen Display - Idle Status
G12017085Courtesy of HYUNDAI MOTOR AMERICA
Fig 2: Screen Display - Electrical Load (Head Lamp And Defrost ON)
G12017086Courtesy 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