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Home >> Kia >> 2017 >> Rio SX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC P2122: Throttle/Pedal Position Sensor/Switch D Circuit Low Input >> W/Harness Inspection >> Power Circuit Inspection

Power Circuit Inspection

Check Voltage 

  1. IG "OFF" and disconnect APS connector.
  2. IG "ON".
  3. Measure voltage between APS1 power terminal of APS harness connector and chassis ground.

    Specification:  Approx. 5V

    Fig 1: Measuring Voltage Between APS1 Power Terminal Of APS Harness Connector And Chassis Ground
    G11847839Courtesy of KIA MOTORS AMERICA, INC.
  4. Is the measured voltage within specification?

    YES 

    NO