DTC P1120 Coolant Flow Control Valve Position Sensor Circuit; DTC P1122 Coolant Flow Control Valve Position Sensor Circuit Low; DTC P1123 Coolant Flow Control Valve Position Sensor Circuit High: Wiring Diagram
WARNING: This page is about a different car, the 2007 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.