Diagnostic Method
- 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 |
|---|---|
| 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 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 |
|---|---|
| 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) - 70 °C (158 °F) |
| Intake manifold relative pressure | ≥ -26.7 kPa (-200 mmHg, -7.9 inHg) |
Time Needed for Diagnosis: Less than 1 second