| DTC Strategy |
- Secondary fuel trim, too lean
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- Poor connector connection
- Air leak in exhaust system
- Faulty three-way catalytic converter
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| Enable Conditions |
- Secondary trim adaptation enabled
- Remark: secondary trim adaptation conditions
- Modeled catalyst temperature is between 350 and 900°C (662°F)
- ECT is greater than 50°C (122°F)
- Required lambda is same as 1
- Exhaust gas mass flow is between 15 and 150kg/h (33 and 330lb/h)
- Accumulated exhausts gas mass is greater than 120g (0.26lb)
|
| Threshold Value |
- Secondary control variable by downstream O2 sensor is greater than 0.05
- Secondary control variable difference between current variable and variable at start is greater than 0.01
|
| Diagnostic Time |
|
| MIL ON Condition |
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