Diagnostic Method
- Abnormality Judgment
If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.
JUDGMENT VALUE
| Malfunction Criteria | Threshold Value |
|---|---|
| Terminal voltage level when ECM outputs ON signal | High level |
| or | |
| Terminal voltage level when EGR operates | High level |
Time Needed for Diagnosis: 2500 ms
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.
- Normality Judgment
Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.
JUDGMENT VALUE
| Malfunction Criteria | Threshold Value |
|---|---|
| Terminal voltage level when ECM outputs ON signal | Low level |
| Terminal voltage level when EGR operates | Low level |
Time Needed for Diagnosis: 256 ms