Throttle Body: Prius
WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 2003 Toyota Tacoma, 2003 Toyota RAV4, 2003 Toyota Prius, 2003 Toyota Matrix, and 2003 Toyota MR2. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Read service precautions before proceeding with service procedure. See SERVICE PRECAUTIONS .
On Prius the throttle body is part of the Electronic Throttle Control System (ETCS). The ETCS is used for controlling idle speed. ETCS consists of throttle body, accelerator pedal position sensor, Throttle Position (TP) sensor, throttle control motor, Hybrid Vehicle Control Electronic Control Unit (HV ECU) and Engine Control Module (ECM). For throttle body inspection, see Fig 1-Fig 3 .