DTC P1451: Fuel Tank Pressure Sensor Range/Performance; DTC P1452: Fuel Tank Pressure Sensor Low Input; DTC P1453: Fuel Tank Pressure Sensor High Input [02/2014 - 11/2015]: Wiring Diagram

WARNING: This page is about a different car, the 2016 Toyota Highlander, 2015 Toyota Highlander, and 2014 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.