Diagnostic Method
Detect a malfunction by measuring the time from fuel cut completed until the rear oxygen sensor voltage begins to rise.
Judge as NG when the following conditions are established.
JUDGMENT VALUE SPECIFICATION
| Malfunction Criteria | Threshold Value |
|---|---|
| Output voltage value of rear oxygen sensor Elapsed time |
Less than 0.2V More than value of Map |
MAP SPECIFICATION
| Average value of intake air amount (g/s(oz/s)) | 19 (0.7) | 20.00 (0.71) | 21.00 (0.74) | 22.00 (0.78) |
| Elapsed time (ms) | 4576 | 4500 | 4000 | 4000 |
Time needed for diagnosis : Less than 1 s
Malfunction indicator light illumination : Illuminates when malfunction occurs in 2 continuous driving cycles.