ECM/PCM shows P2414 when upstream O2 sensor is higher than 3.7V and target lambda value is lower than 1.6.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Rationality check | 1. Poor connection 2. Open or short power/ground in signal circuit 3. Upstream O2S |
Enable Conditions |
•
Upstream O2 Sensor Ceramic Temp. > 720℃
•
Upstream O2 Sensor voltage < 4.8V
•
No fuel cut off | |
Threshold Value |
•
Sensor voltage is higher than 3.7V | |
Diagnostic Time |
•
5 sec. | |
MIL ON Condition |
•
2 Driving Cycle |