Diagnostic Method
- Abnormality Judgment
Judge NG when the continuous time of completing the malfunction criteria below becomes more than 1 second (8 cycles).
Judgment Value
JUDGMENT VALUE
| Malfunction Criteria | Threshold Value |
|---|---|
| Output voltage level | Low |
| Front oxygen (A/F) sensor heater control duty | < 87.5% |
Time Needed for Diagnosis: 1 second
Malfunction Indicator Light Illumination: Illuminates as soon as malfunction occurs.
- Normality Judgment
Judge OK and clear the NG when all the malfunction criteria below are completed.
Judgment Value
JUDGMENT VALUE
| Malfunction Criteria | Threshold Value |
|---|---|
| Output voltage level | High |