Diagnostic Method
If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.
Judgment value
JUDGMENT VALUE SPECIFICATION - DIAGNOSIS 1 (POWER SUPPLY SHORT)
| Malfunction Criteria | Threshold Value |
|---|---|
| Terminal voltage | 4.1 V or more |
JUDGMENT VALUE SPECIFICATION - DIAGNOSIS 2 (GROUND SHORT)
| Malfunction Criteria | Threshold Value |
|---|---|
| Terminal voltage | 0.8 V or less |
JUDGMENT VALUE SPECIFICATION - DIAGNOSIS 3 (OPEN CIRCUIT)
| Malfunction Criteria | Threshold Value |
|---|---|
| Fuel injector current | 0.5 A or less |
JUDGMENT VALUE SPECIFICATION - DIAGNOSIS 4 (SHORT CIRCUIT)
| Malfunction Criteria | Threshold Value |
|---|---|
| Time for reaching target current | 0.075 ms or less |
JUDGMENT VALUE SPECIFICATION - DIAGNOSIS 5 (OVERCURRENT)
| Malfunction Criteria | Threshold Value |
|---|---|
| Fuel injector current | 22 A or more |
Time needed for diagnosis: TDC x 50 times
Malfunction indicator light illumination: Illuminates as soon as a malfunction occurs.