Signal Waveform & Data

Fig 1: Display - FR Signal Waveform Screen

Courtesy of HYUNDAI MOTOR AMERICA

Fig 2: Display - Electrical Load (Head Lamp And Defrost ON) Screen

Courtesy of HYUNDAI MOTOR AMERICA

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