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Home >> Kia >> 2017 >> Soul Base, Standard Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis - 1.6L (3 Of 3) >> DTC P2123: Accelerator Position Sensor 1 Signal Circuit High Input >> Wiring Inspection >> Signal Circuit Inspection
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Signal Circuit Inspection

  1. Ignition "OFF" and disconnect APS connector.
  2. Ignition "ON".
  3. Measure voltage between Pin No. 3 (Signal) terminal of APS harness connector and chassis ground.

    Specification  : Approx. 0V

  4. Ignition "OFF" & Disconnect PCM connector.
  5. Measure resistance between Pin No. 3 (Signal) terminal and Pin No. 4 (Power) terminal of the APS.

    Specification  : ∞

  6. Is the measured Value within specification?

    YES 

    NO