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Home >> Kia >> 2010 >> Sedona Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC P2127: Accelerator Position Sensor 2 Signal Circuit Low Input >> Inspection/Repair >> W/Harness Inspection >> Signal Circuit Inspection
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Signal Circuit Inspection

  1. Check short to ground in harness
    1. IG "OFF".
    2. Disconnect APS and PCM connector.
    3. Measure resistance between terminal 1 of APS harness connector and chassis ground.
    4. Measure resistance between terminal 1 and 5 of APS harness connector.
    5. Measure resistance between terminal 1 and 4 of APS harness connector.

      Specification : Infinite

      Fig 1: Measuring Resistance Between Terminal 1 Of APS Harness Connector And Chassis Ground
      G06837143Courtesy of KIA MOTORS AMERICA, INC.
      Fig 2: Measuring Resistance Between Terminal 1 And 4 Of APS Harness Connector
      G06837144Courtesy of KIA MOTORS AMERICA, INC.
    6. Is the measured resistance within specification?

      YES 

      • Go to " 2 Check open in harness" as follows.

      NO 

  2. Check open in harness
    1. IG "OFF".
    2. Disconnect APS and PCM connector.
    3. Measure resistance between terminal 1 of APS harness connector and terminal 49 of PCM harness connector.
      1. Specification : Approx. below 1Ω
        Fig 3: Measuring Resistance Between Terminal 1 Of APS Harness Connector And Terminal 49 Of PCM Harness Connector
        G06837145Courtesy of KIA MOTORS AMERICA, INC.
    4. Is the measured resistance within specification?

      YES 

      NO