If the NOx adsorber efficiency is below threshold value, ECM sets DTC P200000.
Item | Detecting Condition | Possible Cause | |
DTC Strategy |
•
Adsorber monitoring | 1. Poor connector connection 2. Defected LNT | |
Enable Condition |
•
Engine running | ||
Threshold Valu | Case 1 |
•
Adsorber efficiency is below threshold value | |
Case 2 |
•
Adsorber slip rate is above specification | ||
Detecting Time |
•
- | ||
Fail Safe | Engine OFF |
•
No | |
EGR OFF |
•
No | ||
Torque Limit |
•
No | ||
MIL |
•
On (Case 1)
•
On (Case 2) |