DTC Information And Inspection: DTC Detecting Condition
WARNING: This page is about a different variant/trim than selected.
| Item |
Detecting Condition |
Possible Cause |
| DTC Strategy |
- Air/Fuel ratio cylinder imbalance monitoring
|
- Poor connector connection
- Air leak on Cylinder #3
- Faulty injector
|
| Enable Condition |
- Engine coolant temperature is higher than 68°C (154.4°F)
- Modeled catalyst temperature is lower than 900°C (1652°F)
- Engine speed at between 992 RPM and 2800 RPM
- Fuel mass set-point at between 11 mg/stroke and 27 mg/stroke
- Vehicle speed is higher than 25 km/h (15.6 mph)
- Fuel trim active
- No relevant failure (Upstream O2 sensor, Injector valve, ETC in limp home state)
- Measured Tip temperature is higher than 680°C (1256°F)
- Engine coolant temperature is higher than 0°C (32°F)
- Lambda set-point at between 0.97 and 1.03
- Stable driving condition
- Difference between the engine speed and the filtered engine speed is lower than 60 RPM
- Difference between the mass air and the filtered mass air is lower than 80 mg/stroke
- Difference between the lambda and the filtered lambda is lower than 5%
- Fuel cut-off not active
- Catalyst purge after fuel cut off not active
- No misfire detected
- Catalyst diagnosis finished
- Barometric pressure (BARO) is higher than 75 kPa
- Full load not active
- Crankshaft segment adaptation finished
- No gear transition
|
| Threshold Value |
- Calculated fuel trim (Prevolutionious long term fuel trim + current short term fuel trim) is higher than 17% or lower than -19%
- Long term fuel trim is higher than 14% or lower than -16%
|
| Diagnostic Time |
- Within 2 A/F adaptation cycles
|
| MIL ON Condition |
|