Diagnostic Method
If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.
JUDGMENT VALUE SPECIFICATION
| Malfunction Criteria | Threshold Value |
|---|---|
| Measured turbine shaft speed | < Table 1 RPM |
ENGINE SPEED SPECIFICATION
| Engine speed (RPM) | 3700 | 3227 | 2755 | 2282 | 1856 | 1519 | 1213 | 956 |
| Measured turbine shaft speed (RPM) | 0 | 500 | 1000 | 1500 | 2000 | 2500 | 3000 | 3500 |
| Engine speed (RPM) | 786 | 713 | 651 | 601 | 569 | 544 | 520 |
| Measured turbine shaft speed (RPM) | 4000 | 4500 | 5000 | 5500 | 6000 | 6500 | 7000 |
Time needed for diagnosis: 10 seconds
Malfunction indicator light illumination: Illuminates as soon as a malfunction occurs.