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2017
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G80 3.8, AWD
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System Diagnosis (3 Of 3) - 3.8L
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DTC P0620: Alternator Control Circuit
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Specification
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Signal Waveform & Data
Signal Waveform & Data
Fig 1: Screen Display - Normal Waveforms Of COM, FR Terminal Of Alternator Without Electronic Load
Courtesy of HYUNDAI MOTOR AMERICA
Fig 2: Screen Display - Normal Waveforms Of COM, FR Terminal Of Alternator With Electronic Load
Courtesy of HYUNDAI MOTOR AMERICA
The duty (+) at FR terminal is widened when electronic load applied.