| 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 |
- O2 sensor pre-heating time is more than 58s
- Time since the last engine stop is more than 60min
- O2 sensor operative ready (to ensure no open circuit failure present)
- No relevant failure
- Battery voltage ranges from 10V to 16V
- O2 sensor pre-heating phase finished (dew point passed)
|
| Threshold Value |
- Downstream O2 sensor internal resistance higher than 1000Ω
|
| Diagnostic Time |
|
| MIL ON Condition |
|