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

Fig 1: Scantool Display - Signal Waveform & Data (1 Of 2)
G12122502Courtesy of HYUNDAI MOTOR AMERICA
Fig 2: Scantool Display - Signal Waveform & Data (2 Of 2)
G12122503Courtesy 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.