If open in virtual ground circuit of upstream lambda sensor is detected, ECM sets DTC P225100.
Item | Detecting Condition | Possible Cause | |
DTC Strategy |
•
Voltage monitoring | 1. Poor connector connection 2. Open in virtual ground circuit of upstream lambda sensor 3. Faulty upstream lambda sensor | |
Enable Condition |
•
Engine running | ||
Threshold Value |
•
Open in virtual ground line
•
If output signal of lambda sensor is lower than -1.02V or higher than 1.02V | ||
Detecting Time |
•
2 sec | ||
Fail Safe | MIL |
•
On | |
LNT Regeneration OFF |
•
Yes | ||
