Diagnostic Method
WARNING: This page is about a different car, the 2022 Subaru WRX. However, it is still accessible from the selected car via links, so may be relevant.
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 |
|---|---|
| Rear oxygen sensor heater current | Less than value of Map |
MAP SPECIFICATION
| Battery voltage (V) | 10.9 | 12 | 13 | 14 | 15 | 16 |
|---|---|---|---|---|---|---|
| Threshold value (mA) | 330 | 358 | 385 | 413 | 440 | 468 |
Time needed for diagnosis: 10 s
Malfunction indicator light illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.