Diagnostic Method
WARNING: This page is about a different car, the 2012 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.
- 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 REFERENCE CHART
| Malfunction Criteria | Threshold Value |
|---|---|
| When any one of the followings is established. | |
|
< Value of Map 3 |
|
(Regulated temperature or alternative threshold value) - 11.1 °C (20°F) |
|
> Value of Map 4 |
AMBIENT TEMPERATURE RESISTANCE REFERENCE CHART
| Estimate ambient temperature °C (°F) | -7 (19.4) | 0 (32) | 10 (50) | 25 (77) |
| Actual engine coolant temperature °C (°F) | 66.9 (152.4) | 70 (158) | 70 (158) | 70 (158) |
AMBIENT TEMPERATURE RESISTANCE REFERENCE CHART
| Estimate ambient temperature °C (°F) | -7 (19.4) | 25 (77) |
| Estimated engine coolant temperature - Actual engine coolant temperature °C (°F) | 20 (36°F) | 20 (36°F) |
Time Needed for Diagnosis: 16 - 30 seconds
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 REFERENCE CHARTMalfunction Criteria Threshold Value All following conditions are established. - Engine coolant temperature at engine starting
< 56.5 °C (133.7°F) - Actual engine coolant temperature
> Value of Map 3 - Actual engine coolant temperature
>(Regulated temperature or alternative threshold value) - 11.1 °C (20°F) - Estimated engine coolant temperature - Actual engine coolant temperature
< Value of Map 4 Time Needed for Diagnosis: Less than 1 second