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Home >> Kia >> 2014 >> 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