| DTC Strategy |
|
- Poor Connector Connection
- Faulty IAT Sensor
|
| Enable Condition |
Case 1 |
- Engine speed higher than 640 to 960 RPM depending on start ECT
- Battery voltage higher than 11V and lower than 16V
- Engine Coolant Temperature (ECT) higher than 165.2°F (74°C)
- Engine stop time higher than 10min
- Difference between min. and max. amount of heat stored in intake manifold greater than 1000
|
| Case 2 |
- Battery voltage higher than 11V and lower than 16V
- Ignition "ON"
- No Intake Air Temp. (IAT) sensor electrical error
|
| Threshold Value |
Case 1 |
- Intake air temperature signal variation since engine start less than 34.7°F (1.5°C)
|
| Case 2 |
- Deviation of IAT and IAT moving mean value more than 46.85°F (8.25°C) (Noise Signal)
|
| Diagnostic Time |
Case 1 |
|
| Case 2 |
|
| MIL ON Condition |
|