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Waveform 2

Fig 1: Throttle Actuator Waveform Representation Table 2
G01447322Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Throttle actuator negative terminal

Fig 2: Throttle Actuator Waveform Representation (2 Of 13)
G01447323Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

The waveform expands depending on the throttle opening angle.