General Information

Engine Control
P2414 O2 Sensor Exhaust Sample Error (Bank 1 Sensor 1) - General Information

Component Location





DTC Description

ECM shows P2414 when upstream O2 sensor is higher than 3.7V and target lambda value is lower than 1.6.

DTC Detecting Condition





Diagnostic Circuit Diagram





Signal Waveform & Data








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.