July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!
On Board Diagnosis Logic
WARNING: This page is about a different car, the 2004 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.
This self-diagnosis has the one trip detection logic
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Fig 1: Identifying DTC P0125 Conditions & Possible Causes