Typical Malfunction Thresholds
ECT sensor cold start monitor:
TYPICAL MALFUNCTION THRESHOLDS CHART
| ECT sensor value change |
Below 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 |
Below 5°C (9°F) |