If the S1 signal is advanced compared to the S2 controller value, P2096 is stored.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
O2 sensor characteristic line shift | 1. Catalyst converter 2. HO2S(S1) 3. PCM |
Enable Conditions |
•
Dew point end detected
•
Fuel feed back control active
•
Battery voltage is higher than 11V
•
Exhaust Gas temperature is higher than 280°C and lower than 800°C
•
No injector error
•
No upstream O2 sensor heater error
•
Engine speed 1200∼2520rpm
•
Rear O2 sensor feed back control active | |
Threshold Value |
•
I-portion of lambda controller value by downstream O2 sensor is higher than 0.028 | |
Diagnostic Time |
•
15 sec | |
MIL On Condition |
•
3 driving cycle |