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Home >> Hyundai >> 2021 >> Tucson Value, FWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System Diagnosis - 2.0L (3 Of 3) >> DTC P2251-00: O2 Sensor Reference Ground Circuit/Open (Bank 1 Sensor 1) >> Specification >> Signal Waveform & Data
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Signal Waveform & Data

G13031101Courtesy of HYUNDAI MOTOR AMERICA

Waveform of sensor Virtual 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.