Diagnostic Method
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- Abnormality Judgment
If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.
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) |
| Estimated coolant temperature | ≥ 75°C(167°F) |
| Engine coolant temperature | ≤ 75°C(167°F) |
| (Estimated - Measured) Engine coolant temperature | >22°C(71.6°F) |
| Vehicle speed | ≥ 20km/h (12.4 MPH) |
Time Needed for Diagnosis: 64 ms x 1 time(s) x 255 time(s)
Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.
- Normality Judgment
Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.
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 | ≤ 22°C(71.6°F) |
Time Needed for Diagnosis: Less than 1 second