Signal Waveform & Data

Fig 1: Scantool Display - Signal Waveform Of Alternator (Idle Status)

Courtesy of HYUNDAI MOTOR AMERICA

Fig 2: Scantool Display - Signal Waveform Electrical Load (Head Lamp And Defrost On)

Courtesy 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