Engine Coolant Temperature (ECT) Meter Symptom Diagnosis
ECT METER SYMPTOM DIAGNOSIS
| Condition | Possible Cause | Action |
|---|---|---|
| Engine coolant temperature (ECT) meter shows no operation or incorrect operation | Circuit fuse blown | Replace fuse and check for short circuit . |
| ECT sensor faulty | Check ECT sensor referring to ENGINE COOLANT TEMPERATURE (ECT) SENSOR INSPECTION . | |
| ECM-METER signal circuit faulty | Check ECM-METER signal circuit . | |
| Wiring or grounding faulty | Repair circuit . | |
| Combination meter faulty | Replace combination meter . | |
| HVAC control module faulty (Auto A/C model only) | Check HVAC control module referring to INSPECTION OF HVAC CONTROL MODULE AND ITS CIRCUIT . | |
| ECM faulty | Check ECM circuit referring to INSPECTION OF ECM AND ITS CIRCUITS . |