Diagnostic Method: Notes
| Mode | Explanation of Mode | Diagnosis Period |
|---|---|---|
| A | Vacuum pump operation confirmation and characteristics stability | 7 s or less & 300 s |
| B | Measurement of reference pressure for setting the target negative pressure | 40 s or less |
| C | Switching valve operation confirmation | 12 s or less |
| D | Clogging of pipe diagnosis and leak pressure measurement | 900 s or less |
| D2 | Pipe clogging of the high pressure line Solenoid valve for secondary purge stuck closed | 60 s |
| E | Reference pressure measurement for judgment | 40 s or less |