| DTC Strategy |
|
- Poor connection
- B1S2
- ECM
|
| Case1 |
Enable Conditions |
- Battery voltage is higher than 11V
- Engine speed is between 1200 RPM and 3520 RPM
- EGT around downstream O2S is higher than 400°C (752°F)
- Exhasut gas mass flow is higher than 12kg/h
- Total flow exhasut gas: -90kg/h ~ 90kg/h
- Fuel cut off
- Downstream O2S voltage before fuel cut is higher than 0.55V
- Fuel shut-off time 15 seconds or less
- Sensor the voltage below 0.85V
|
| Threshold Value |
- Response Time is higher than 0.2 sec (Duration of Downstream O2S voltage from above 0.6V to 0.15V during fuel cut off)
|
| Case2 |
Enable Conditions |
- Battery voltage is higher than 11V
- Engine speed is between 1200 RPM and 3520 RPM
- EGT around downstream O2S is higher than 400°C (752°F)
- Exhasut gas mass flow is higher than 22kg/h
- Total flow exhasut gas: -15kg/h ~ 50kg/h
- Fuel cut off
- Downstream O2S voltage before fuel cut is higher than 0.15V
- Fuel shut-off time 15 seconds or less
|
| Threshold Value |
|
| Diagnostic Time |
- 3 valid fuel cut-off phases
|
| MIL ON Condition |
|