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Home >> Hyundai >> 2017 >> Veloster Turbo R-Spec >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) - 1.6L T-GDI >> DTC P2251: O2 Sensor Reference Ground Circuit/Open (Bank 1 Sensor 1) >> Specification >> Signal Waveform & Data

Signal Waveform & Data

Fig 1: Signal Waveform Of Sensor Vertual Ground Output At IG Key ON & Engine Running (1 Of 2)
G12122960Courtesy of HYUNDAI MOTOR AMERICA
Fig 2: Signal Waveform Of Sensor Current Pump At IG Key ON & Engine Running (2 Of 2)
G12122961Courtesy of HYUNDAI MOTOR AMERICA

Waveform of sensor Current Pump at IG KEY "ON" and Engine running. It fluctuates between 2V and 3V periodically.

Waveform of sensor Vertual Ground Output at IG KEY "ON" and Engine running. 2.5V is displayed.

Waveform of sensor Current Adjust at IG KEY "ON" and Engine running. It fluctuates between 2V and 3V periodically. Waveform of sensor Nearest Voltage at IG KEY "ON" and Engine running. 2.9V is displayed.

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