DTC P0190: Fuel Rail Pressure Sensor Circuit; DTC P0192: Fuel Rail Pressure Sensor Circuit Low Input; DTC P0193: Fuel Rail Pressure Sensor Circuit High Input [08/2013 - ]: Wiring Diagram
WARNING: This page is about a different car, the 2015 Lexus IS 250C and 2014 Lexus IS 250C. However, it is still accessible from the selected car via links, so may be relevant.