Diagnostic Method
- Abnormality Judgment
Judge as NG when the continuous time of completing the malfunction criteria below becomes more than 1 second (8 cycles).
Judgment Value
JUDGMENT VALUE REFERENCE CHART
| 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 a malfunction occurs.
- Normality Judgment
Judge as OK and clear the NG when the malfunction criteria below are completed.
Judgment Value
JUDGMENT VALUE REFERENCE CHART
| Malfunction Criteria | Threshold Value |
|---|---|
| Output voltage level | High |