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Home >> Kia >> 2010 >> Forte EX, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (ULEV) (2 Of 2) >> DTC P2123: Throttle_PPS_Switch 'D' Circuit High Input >> Inspection Repair >> Component Inspection
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Component Inspection

  1. Accelerator Pedal Rod Inspection
    1. Operate the accelerator pedal to verify that it operates freely, without binding, between the full closed position and the wide open position.
    2. Check for poor carpet fit under the accelerator pedal.
    3. Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure. If OK, go to next step.
  2. APS1 Inspection
    1. IG KEY 'ON'.
    2. Connect scantool and monitor the "APS1" parameter on the data list.
      APS1 INSPECTION CHART

      Test Condition APS1
      Release a pedal fully Approx. 0.58~0.93V
      Depress a pedal fully Approx. 3.85~4.35V
    3. Is data in accordance with the APS1 INSPECTION CHART?

      YES 

      • Check for poor connection between PCM 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 

      • Substitute with a known-good component and check for proper operation. If the problem is corrected, replace component and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
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