Enable Conditions
Common Enable Conditions Criteria:
Startup Coolant Saved? = TRUE
AND Startup IAT Saved? = TRUE enum
AND Soak Time? 480 min.
AND Engine currently running? = Engine Run enum
AND Disabling faults present? = FALSE boolean
AND IAT stored previous trip? = TRUE boolean
Skewed Low Test:
IAT Skew Low Test Reporting Allowed? = TRUE boolean
AND Startup Coolant > -20 °C
AND Airflow > 15 g/s
AND Vehicle Speed > 40 kph
AND Skewed Low Delay Timer ≥ 120 sec.
AND Absolute (IAT - Startup IAT) ≤ 10 °C
Skewed High Test:
Skewed High Test reporting allowed? = TRUE
AND Airflow > 15 g/s
AND Vehicle Speed > 40 kph
AND Skewed High Delay Timer ≥ 120 sec.
AND Absolute (IAT - Startup IAT) ≤ 10 °C
AND IAT < See table below.
KtI ATD_T_Skw Hi Max IAT:
KTI ATD_T_SKW HI MAX IAT
| -60 | -10 |
| -20 | 10 |
| 0 | 30 |
| 20 | 50 |
| 60 | 90 |