Diagnostic Method
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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 | < 0.5 V |
| Elapsed time | > 3 s |
Time needed for diagnosis: Less than 1 second
Malfunction indicator light illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.