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Home >> Hyundai >> 2014 >> Veloster Base, Standard Trans >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System Diagnosis (2 Of 2) - Non-Turbo >> DTC P2237: O2 Sensor Pumping Current Circuit Open (Bank 1 Sensor 1) >> Specification >> Signal Waveform & Data
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Signal Waveform & Data

Fig 1: Display - Oxygen Sensor Signal Waveform (Virtual Ground Output)
G08814049Courtesy of HYUNDAI MOTOR AMERICA
Fig 2: Display - Oxygen Sensor Signal Waveform (Current Pump)
G08814050Courtesy 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 Nernst Voltage at IG KEY "ON" and Engine running. 2.9V is displayed.