Typical Malfunction Thresholds
Engine Coolant Temperature (ECT) sensor cold start monitor:
TYPICAL MALFUNCTION THRESHOLDS
| ECT sensor value change | Less than 5°C (9°F) |
ECT sensor hot start monitor:
ECT SENSOR HOT START MONITOR REFERENCE
| ECT sensor value change | Less than 5°C (9°F) |
ECT sensor soak monitor:
ECT SENSOR SOAK MONITOR REFERENCE
| Difference between current ECT sensor value and previous ECT sensor value when engine stopped | Less than 5°C (9°F) |