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Home >> Hyundai >> 2017 >> Accent SE, 4D Hatchback, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC P2128: Accelerator Position Sensor 2 Signal Circuit-High Input >> Specification >> Signal Waveform & Data
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Signal Waveform & Data

Fig 1: Screen Display - Normal Waveform Of APS1 & APS2 With Acceleration
G12017122Courtesy 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.