Diagnostic Method
If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.
JUDGMENT VALUE (NON-BOOST MALFUNCTION)
| Malfunction Criteria | Threshold Value |
|---|---|
| Monitoring value of charge voltage inside injector driving IC | 18 V or less |
JUDGMENT VALUE (EXCESS BOOST MALFUNCTION)
| Malfunction Criteria | Threshold Value |
|---|---|
| Monitoring value of charge voltage inside injector driving IC | 80 V or more |
Time needed for diagnosis: 0.04 s or more (depending on engine speed)
Malfunction indicator light illumination: Illuminates as soon as a malfunction occurs.