| DTC Strategy |
- Evaluate O2 Sensor element temperature via measuring element resistance
|
- Poor Connector Connection
- Faulty related fuse
- Open/Short in Power Circuit
- Open/Short in Control Circuit
- Faulty Downstream O2 Sensor
|
| Enable Conditions |
- Downstream O2 sensor normal heating time is greater than 58s.
- Engine off duration is higher than 60min.
- Engine coolant temperature drop since last engine stop is higher than 77°F (25°C)
- Battery voltage at between 10V and 16V
|
| Threshold Value |
- Downstream O2 sensor resistance is higher than 1.9kΩ
|
| Diagnostic Time |
|
| Mil On Condition |
|