DTC P2122-104 Throttle / Pedal Position Sensor / Switch "D" Circuit Low Input; DTC P2123-105 Throttle / Pedal Position Sensor / Switch "D" Circuit High Input; DTC P2127-107 Throttle / Pedal Position Sensor / Switch "E" Circuit Low Input; DTC P2128-108 Throttle / Pedal Position Sensor / Switch "E" Circuit High Input: Wiring Diagram
WARNING: This page is about a different car, the 2006 Lexus RX 400h. However, it is still accessible from the selected car via links, so may be relevant.
Refer to the wiring diagram for DTC P2120-111 .