Diagnostic Method
If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.
MALFUNCTION CRITERIA
| Malfunction Criteria | Threshold Value |
|---|---|
| Measured secondary oxygen sensor heater control voltage | 12 V battery system voltage x 0.88 V |
Time needed for diagnosis: 4 ms x 2500 times
Malfunction indicator light illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.