Diagnostic Method
- Abnormality Judgement
If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.
Judgement Value
JUDGEMENT VALUE REFERENCE
| Malfunction Criteria | Threshold Value |
|---|---|
| Fuel tank pressure | ≤ -4 kPa (-30 mmHg, -1.2 inHg) |
Time Needed for Diagnosis: 3000 ms
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.
- Normality Judgement
Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.
Judgement Value
JUDGEMENT VALUE REFERENCE
| Malfunction Criteria | Threshold Value |
|---|---|
| Fuel tank pressure | -4 kPa (-30 mmHg, -1.2 inHg) |
| Cumulative time when all the malfunction criteria below are met. | ≥ 30000 ms |
| Purge control solenoid valve duty | Not = 0 |
| Fuel temperature | -10°C (14°F) - 55°C (131 °F) |
| Intake manifold relative pressure | ≥ -26.7 kPa (-200 mmHg, -7.9 inHg) |
Time Needed for Diagnosis: Less than 1 second