When the ECM detects an open in the OCV(Exhaust) control circuit, the ECM sets DTC P0078.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Electrical check(Exhaust) | 1. Poor connection 2. Open circuit 3. OCV(Exhaust) |
Enable Conditions |
•
- | |
Threshold Value |
•
Open | |
Diagnostic Time |
•
Continuous | |
MIL ON Condition |
•
2 driving cycles |