Waveform 9

1. VVT oil control valve (OCV)
   Fig 1: VVT Oil Control Valve - Waveform (1 Of 2)

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   Fig 2: VVT Oil Control Valve - Waveform (2 Of 2)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

Duty ratio for VVT OCV (%) = A/B x 100