Diagnostic Method
If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.
JUDGMENT VALUE SPECIFICATION
| Malfunction Criteria | Threshold Value |
|---|---|
| Front oxygen (A/F) sensor impedance | More than 450Ω |
Time needed for diagnosis: 5000 ms
Malfunction indicator light illumination: Illuminates as soon as a malfunction occurs.