Diagnostic Method
Detect the trouble by calculating the time from the completion of the fuel cut to the beginning of the rear oxygen sensor voltage starting to rise.
Judge as NG when the following conditions are established.
JUDGEMENT VALUE SPECIFICATION
| Malfunction Criteria | Threshold Value |
|---|---|
| The number of times that the rear oxygen sensor voltage changed to 0.3 V after the fuel cut has completed (time counter) | > 3750time(s) |
Time Needed for Diagnosis: 3750time(s) x 32/1000
Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.