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Home >> Genesis >> 2018 >> G80 3.8, AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis - 3.8L (3 Of 3) >> DTC P2122: Accelerator Position Sensor 1 Signal Circuit Low Input >> Specification
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DTC P2122: Accelerator Position Sensor 1 Signal Circuit Low Input: Specification

Pedal Position Output Voltage (V) [Vref = 5.0V]
APS 1 APS 2
C.T 0.7 ~ 0.8V 0.29 ~ 0.46V
W.O.T 3.85 ~ 4.35V 1.93 ~ 2.18V
G12651803Courtesy of HYUNDAI MOTOR AMERICA
G12651804Courtesy of HYUNDAI MOTOR AMERICA
G12651805Courtesy of HYUNDAI MOTOR AMERICA
G12651806Courtesy 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.

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