Diagnostic Method
- Abnormality Judgment
Judge as NG when the continuous time of completing the malfunction criteria below becomes 30 seconds or more.
Judgment Value
JUDGMENT VALUE
| Malfunction Criteria | Threshold Value |
|---|---|
| Battery voltage | ≥ 10.9 V |
| Estimate ambient temperature | ≥ -7°C (19.4°F) |
| Engine coolant temperature at engine starting | < 55°C (131°F) |
| Estimated coolant temperature | ≥ 75°C (167°F) |
| Engine coolant temperature | < 75°C (167°F) |
| (Estimated - Measured) Engine coolant temperature | > 30°C (54°F) |
| Vehicle speed | ≥ 30km/h(19MPH) |
Time Needed for Diagnosis: 30 seconds
Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.
- Normality Judgment
Judge as OK and clear the NG when the malfunction criteria below are met.
Judgment Value
JUDGMENT VALUE
| Malfunction Criteria | Threshold Value |
|---|---|
| Battery voltage | ≥ 10.9 V |
| Estimate ambient temperature | ≥ -7°C (19.4°F) |
| Thermostat malfunction diagnosis | Incomplete |
| Engine coolant temperature at engine starting | < 55°C (131°F) |
| Engine coolant temperature | ≥ 75°C (167°F) |
| (Estimated - Measured) Engine coolant temperature | ≤ 30°C (54°F) |