DTC P0500: Vehicle Speed Sensor "A": Wiring Diagram
WARNING: This page is about a different car, the 2013 Toyota Camry. However, it is still accessible from the selected car via links, so may be relevant.
Refer to WIRING DIAGRAM
When a DTC P0500 is output, a ground short in the wiring of terminal SPD or an internal ground short in the relevant ECU is suspected.