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Waveform 9
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Waveform 9
Igniter IGT signal (from ECM to igniter)
Igniter IGF signal (from igniter to ECM)
Fig 1: Igniter IGT Signal Description Table
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
HINT:
The wavelength becomes shorter as vehicle speed increases.
Fig 2: Igniter IGT Signal - Waveform
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002