| DTC Strategy |
- Comparison of O2 sensor lean/rich period with calculated period
|
- Leak in intake or exhaust system
- Faulty fuel system.
- Front and rear HO2S connections reversed.
- Contact resistance in connectors
- HO2S contamination
|
| Enable Conditions |
- 400°C (752°F) < Catalyst Temp. Model < 600°C (1112°F)
- Coolant temp. > 70°C (158°F)
- 992 < Engine speed(RPM) < 2880
- Mass air flow(mg/rev.) < 750
- No misfire detected
- Engine Speed [ Current - Mean ] < 350rpm
- TPS [ Current - Mean ] < 4:2° TPS
- Lambda Correction [ Current - Mean ] < 4%
|
| Threshold Value |
- Sum of O2 sensor lean/rich period > calculated period
|
| Diagnostic Time |
- 80 lambda controller cycles
|
| MIL On Condition |
|