| DTC Strategy |
|
- Poor connector connection
- Leak or clog in intake air system
- Injector
- Fuel pressure
- HO2S (Bank1, Sensor1)
|
| Enable Conditions |
- Heated oxygen sensor tip temp is higher than 685°C (1, 265°F)
- ECT is higher than 55°C (131°F)
- Fuel system is a closed loop
- No fuel cut-off
- Purge valve is operated continually for 5s
- Engine load is between 25% and 130%
- Catalyst temp is 400°C (752°F)
- Engine speed is between 1320 and 3200RPM
|
| Threshold Value |
- When ratio of expected area to actual area is lower than 0.4
|
| Diagnostic Time |
- 6 switches set point steps (3 for lean-rich, 3 for rich-lean)
|
| MIL ON Condition |
|