| DTC Strategy |
|
- Poor connection
- B1S2
- ECM
|
| General Enable Conditions |
- Downstream O2S voltage before fuel cut is higher than 0.55V
- Fuel cut off
- EGT around downstream O2S is higher than 662°F
- Downstream O2S internal resistance
- Battery voltage is higher than 10.7V
- Time after dew point end detected is higher than 30 sec
|
| Case1 |
Enable Conditions |
- Exhaust gas mass flow > 30kg/h
|
| Threshold Value |
- Response Time is higher than 5.0 sec (Duration of Downstream O2S voltage from above 0.55V to 0.15V during fuel cut off)
|
| Case2 |
Enable Conditions |
- Exhasut gas mass flow is higher than 10kg/h
|
| Threshold Value |
- Transient Time is higher than 0.3 sec (Duration of Downstream O2S voltage from 0.4V to 0.2V during fuel cut off)
|
| MIL On Condition |
|