FixVault

Waveform 4

Fig 1: Throttle Actuator Waveform Representation Table 4
G01447326Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. Variable valve timing (VVT) sensor Bank 1
  2. VVT sensor Bank 2
  3. Crankshaft position (CKP) sensor
    Fig 2: Throttle Actuator Waveform Representation (4 Of 13)
    G01447327Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

The wavelength becomes shorter as engine rpm increases.