Typical Malfunction Thresholds
ECT Sensor cold start monitor:
TYPICAL MALFUNCTION THRESHOLDS CHART
| ECT sensor value change |
Less than 5°C (9°F) |
ECT Sensor soak monitor:
TYPICAL MALFUNCTION THRESHOLDS CHART
| Difference between current ECT sensor value and previous ECT sensor value when engine stopped |
Less than 5°C (9°F) |