Normality Judgment
WARNING: This page is about a different car, the 2012 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.
Judge as OK and clear the NG if the following conditions are established.
Judgment Value
| Malfunction Criteria | Threshold Value | DTC |
| Average value of time necessary for λ to inverse the air fuel ratio to Lean → Rich → Lean. | ≤ 500 ms | P015A |
| Average value of time necessary for λ to inverse the air fuel ratio to Rich → Lean → Rich. | ≤ 400 ms | P015B |
Time Needed for Diagnosis: 50 times of inversion