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Home >> Hyundai >> 2025 >> Kona SEL, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 2.0 (11 Of 15) >> DTC P2122-00: Accelerator Position Sensor 1 Signal Circuit Low Input >> DTC Inspection >> Inspection For APS Unit

Inspection For APS Unit

  1. Check the accelerator pedal position sensor unit using a multi-tester.
    List of Inspection Normal value Inspection Condition Probe (+) Probe (-)
    Accelerator pedal position sensor
    Unit Inspection
    Approx. 0.7 ~ 0.8V
    1. IGN Switch "ON"
    2. Accelerator pedal not depressed (C.T)
    Accelerator pedal position sensor connector side
    3. APS1 signal 
    Chassis Ground 
    Accelerator pedal position sensor
    Unit Inspection
    Approx. 0.33 ~ 0.43V Accelerator pedal position sensor connector side
    6. APS2 signal 
    Chassis Ground 
    Accelerator pedal position sensor
    Unit Inspection
    Approx. 3.98 ~ 4.22V
    1. IGN Switch "ON"
    2. Accelerator pedal fully depressed (W.O.T)
    Accelerator pedal position sensor connector side
    3. APS1 signal 
    Chassis Ground 
    Accelerator pedal position sensor
    Unit Inspection
    Approx. 1.93 ~ 2.17V Accelerator pedal position sensor connector side
    6. APS2 signal 
    Chassis Ground 

    OK 

    Go to "Inspection For APS1 Power Circuit"  procedure.

    NG 

    Go to "APS replacement"  procedure.