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Home >> Hyundai >> 2013 >> Elantra GLS, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - (3 Of 3) >> DTC P2122: Throttle/Pedal Position Sensor/Switch 'D' Circuit Low Input >> General Information >> Signal Waveform & Data

Signal Waveform & Data

  1. IG key ON.
  2. Check sensor data as indicated below.
    Fig 1: Display - Sensor Current Data Screen
    G10247341Courtesy of HYUNDAI MOTOR AMERICA
  3. Data Analysis
    Condition GDS Sensor Data
    APS 1 APS 2
    IG Key "ON & Engine "OFF" Output voltages of APS1 and APS2 are in proportion to accelerating.
    APS2 output voltage is half of APS1 output voltage.
    Release a pedal fully 0.58~0.93V 0.29~0.47
    Depress a pedal fully 3.85~4.35V 1.93~2.18V
  4. Is data in accordance with "Data Analysis"?

    YES 

    • Check for poor connection between PCM/ECM and component: backed out terminal, improper mating, broken locks or poor terminal to wire connection. Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

    • Go to next procedure.
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