DTC Information: DTC Detecting Condition
WARNING: This page is about a different variant/trim than selected.
| Item |
Detecting Condition |
Possible cause |
| DTC Strategy |
- Check catalyst oxygen storage capacity
|
- Exhaust gas leaks
- Faulty rear HO2S
- Faulty catalyst converter
|
| Enable Conditions |
- Engine Coolant Temperature (ECT) is greater than 55.5°C (131.9°F)
- Catalyst temperature model is between 486.9°C (908.42°F) and 930°C (1706°F)
- Vehicle speed is faster than 20 km/h (12.5 mph)
- Engine RPM is between 992 RPM and 3392 RPM
- MAF ranges from 0.36 g/rev to 1.8 g/rev.
- Barometric pressure (BARO) is greater than 75 kPa
- Canister load is lower than 0.65
- Fuel trim is active
- Lambda set-point is between 0.96 and 1.04
- Stable Driving Condition
- Difference absolute-value between Engine RPM and filtered engine RPM is lower than 200 RPM
- Difference absolute-value between Air mass and filtered air mass is lower than 0.45 g/rev.
- Difference absolute - value between Lambda and filtered Lambda is lower than 7%
- Downstream O2 sensor operative readiness is detected
- No opening/closing of canister purge valve
- Battery voltage is between 11V and 16V
|
| Threshold Value |
- Average malfunction index is greater than 1
|
| Diagnosis Time |
- 20 Fuel trim Controller Cycles
|
| MIL On Condition |
|