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Home >> Kia >> 2015 >> Forte LX, Automatic Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 2) - 1.8L >> DTC P2128: Accelerator Position Sensor 2 Signal Circuit High Input >> Component Inspection
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Component Inspection

  1. Accelerator Pedal Rod Inspection
    1. Verify that the accelerator pedal operate freely without binding between full closed and wide open position by operating the accelerator pedal.
    2. Check for poor carpet fit under the accelerator controls pedal.
    3. Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure. If OK, go to next step as below.
  2. APS1 Inspection
    1. IG KEY 'ON'.
    2. Connect GDS and monitor the "APS2" parameter on the data list.

      Specification:  Refer to "SIGNAL WAVEFORM & DATA ".

      Test Condition APS1
      Release a pedal fully Approx. 0.29~0.38
      Depress a pedal fully Approx. 1.93~2.18V
    3. 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 

      • 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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