Circuit Description
WARNING: This page is about a different car, the 2003 Toyota Camry Solara. However, it is still accessible from the selected car via links, so may be relevant.
For circuit description, see DTC P2195, DTC P2196, DTC P2237, DTC P2238, DTC P2239, DTC P2251, DTC P2252 & DTC P2253 .
Detecting condition of DTC is when after the engine is warmed up, and during vehicle driving at engine speed 1400 RPM or more and vehicle speed 38 MPH (60 km/h) or more, response characteristics of air-fuel ratio (A/F) sensor becomes deteriorated (2 trip detection logic).