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Home >> Kia >> 2012 >> Rio EX, 4D Hatchback >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 2) >> DTC P0620: Alternator Control Circuit >> General Information >> Signal Waveform & Data

Signal Waveform & Data

Fig 1: Display - Alternator Idle Status Signal Waveform
G08325067Courtesy of KIA MOTORS AMERICA, INC.
Fig 2: Display - Alternator Electrical Load Signal Waveform (Head Lamp And Defrost On)
G08325068Courtesy of KIA MOTORS AMERICA, INC.

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