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 SPECIFICATIONS
| Malfunction Criteria | Threshold Value |
|---|---|
| Output voltage value of rear oxygen sensor | Less than 0.2V |
| Elapsed time | More than value of Map |
AVERAGE VALUE OF INTAKE AIR AMOUNT - MAP
| Average value of intake air amount (g/s (oz/s)) | 24.00 (0.85) | 25.00 (0.88) | 26.00 (0.92) | 27.00 (0.95) | 28.00 (0.99) | 40.00 (1.41) |
|---|---|---|---|---|---|---|
| Elapsed time (ms) | 4672 | 4576 | 4576 | 4576 | 4576 | 4576 |
Time needed for diagnosis: Less than 1 s
Malfunction indicator light illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.