Signal Waveform & Data

Fig 1: Screen Display - ETC Motor Signal Waveform With Acceleration

Courtesy of HYUNDAI MOTOR AMERICA

This is a ETC motor signal waveform with acceleration.

ECM/PCM 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.