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Home >> Kia >> 2017 >> Sedona EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 3) >> DTC P0222: Throttle Position Sensor 2 Signal Circuit Low Input >> Component Inspection >> Check TPS performance
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Check TPS performance

  1. IG KEY "OFF".
  2. Connect CH A probe to TPS1 signal terminal(Pin No. 6) of ETC Motor connector and CH B probe to TPS2 signal terminal(Pin No. 4) of ETC Motor connector.
  3. Warm up the engine to normal operating temperature.
  4. Measure signal waveform of TPS1 and TPS2 together by stepping on and off the accelerator pedal.

    Specification:  Refer to SIGNAL WAVEFORM & DATA below

    Fig 1: Screen Display - Acceleration
    G12276872Courtesy of KIA MOTORS AMERICA, INC.
  5. Does the TPS operate properly? (Check variation)

    YES 

    NO 

    • Carefully re-do this troubleshooting guide steps.
    • If no problems were found with the circuits or connectors, replace the ECT Motor and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
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