Malfunction Threshold
The engine running time before the engine coolant temperature [ECT SENSOR 1] reaches 10 °F (-12 °C), based on the initial engine coolant temperatures [ECT SENSOR 1], is as follows:
| Initial engine coolant temperature [ECT SENSOR 1] | Engine running time |
|---|---|
| -25 °F (-31 °C) | 5 minutes or more |
| 10 °F (-12 °C) | 1 minute or more |