Diagnostic Method
Detect a malfunction by measuring the rear oxygen sensor response time after fuel cut.
Judge as NG when the following conditions are established.
JUDGMENT VALUE SPECIFICATION SPECIFICATION
| Malfunction Criteria | Threshold Value |
|---|---|
| Output voltage value of rear oxygen sensor Elapsed time |
Less than 0.5V More than 3000ms |
Time needed for diagnosis: Less than 1 s
Malfunction indicator light illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.