Diagnostic Method
If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.
Judgment value
DIAGNOSIS 1 - POWER SUPPLY SHORT
| Malfunction Criteria | Threshold Value |
|---|---|
| Terminal voltage | 4.1 V or more |
DIAGNOSIS 2 - GROUND SHORT
| Malfunction Criteria | Threshold Value |
|---|---|
| Terminal voltage | 0.8 V or less |
DIAGNOSIS 3 - OPEN CIRCUIT
| Malfunction Criteria | Threshold Value |
|---|---|
| Fuel injector current | 0.5 A or less |
DIAGNOSIS 4 - SHORT CIRCUIT
| Malfunction Criteria | Threshold Value |
|---|---|
| Time for reaching target current | 0.075 ms or less |
DIAGNOSIS 5 - OVER CURRENT
| 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.