FixVault
Home
›
Hyundai
›
2017
›
Azera Base
›
Repair and Diagnosis
›
Engine Performance
›
System
›
Engine Control System Diagnosis (3 Of 3)
›
DTC P0620: Alternator Control Circuit
›
General Information
›
Signal Waveform & Data
Signal Waveform & Data
Fig 1: Screen Display - Normal Waveforms Of COM, FR Terminal Of Alternator At Idle
Courtesy of HYUNDAI MOTOR AMERICA
Fig 2: Screen Display - Normal Waveforms Of COM, FR Terminal Of Alternator Under High Electronic Load Condition
Courtesy of HYUNDAI MOTOR AMERICA
When the electronic load (head lamp, room lamp) is applied, the duty (+) value of the FR line is increased.