WARNING: This page is about a different car, the 2019 Toyota Highlander, 2018 Toyota Highlander, and 2017 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
Manifold absolute pressure sensor voltage [Manifold absolute pressure]
0.5 to 4.5 V [0 to 130 kPa (abs) [0 to 18.9 psi (abs)]]