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Home >> Hyundai >> 2013 >> Veloster Base, Standard Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 2) - Non-Turbo >> DTC P2128: Throttle Pedal Position Sensor Switch 'E' Circuit High Input >> General Information >> Signal Waveform & Data
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Signal Waveform & Data

Fig 1: Display - APS1 & APS2 Normal Waveform (With Acceleration)
G08814029Courtesy of HYUNDAI MOTOR AMERICA

Signal waveform of APS 1 & 2 shows that APS 2 increases voltage just half of APS 1 voltage increase when accelerating.