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Home >> Genesis >> 2017 >> G80 3.8, AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) - 3.8L >> DTC P2123: Accelerator Position Sensor 1 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 No Acceleration
G11342074Courtesy of HYUNDAI MOTOR AMERICA
Fig 2: Screen Display - Normal Waveform Of APS1 & APS2 With Acceleration
G11342075Courtesy of HYUNDAI MOTOR AMERICA
Fig 3: Screen Display - Normal Data Of APS1 & APS2 At IG ON
G11342076Courtesy of HYUNDAI MOTOR AMERICA
Fig 4: Screen Display - Abnormal Data Of APS1 & APS2 When APS1 & APS2 Circuit Open
G11342077Courtesy 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.