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Home >> Hyundai >> 2014 >> Accent GLS, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 2) >> DTC P0638: Throttle Actuator Control Range/Performance >> Specification >> Signal Waveform & Data

Signal Waveform & Data

Fig 1: ETC Motor Signal Waveform With Acceleration
G08802649Courtesy of HYUNDAI MOTOR AMERICA

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.

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