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Throttle Body: Prius

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 .

Fig 1: Inspecting Throttle Body - 1 Of 3 (Prius)
G00246146Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Inspecting Throttle Body - 2 Of 3 (Prius)
G00246147Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 3: Inspecting Throttle Body - 3 Of 3 (Prius)
G00246148Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002