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Home >> Hyundai >> 2014 >> Veloster Base, Standard Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 2) - Non-Turbo >> DTC P0638: Throttle Actuator Control Range Performance >> Specification >> Signal Waveform & Data
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Signal Waveform & Data

Fig 1: Display - ETC Motor & TPS Signal Waveform
G08813965Courtesy of HYUNDAI MOTOR AMERICA

This is a ETC motor signal waveform with acceleration.

ECM controls ETC motor (DC motor) to operate the throttle valve.

ETC motor operate and change the throttle valve position in order to open the closed throttle valve under the acceleration condition.