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SC 430
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SFI System - Diagnosis
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Terminals Of ECM
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Waveform 3
Waveform 3
Fig 1: Throttle Actuator Waveform Representation Table 3
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Camshaft position (CMP) sensor
Crankshaft position (CKP) sensor
Fig 2: Throttle Actuator Waveform Representation (3 Of 13)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
HINT:
The wavelength becomes shorter as engine rpm increases.