Diagnostic Method
Detect the trouble by calculating the response time of the rear oxygen sensor after fuel cut.
Judge as NG when the following conditions are established.
JUDGMENT VALUE SPECIFICATION
| Malfunction Criteria | Threshold Value |
|---|---|
| Output voltage value of rear oxygen sensor | < 0.5V |
| Elapsed time | > 3000 ms |
Time needed for diagnosis: Less than 1 second
Malfunction indicator light illumination: Illuminates as soon as a malfunction occurs.