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Home >> Kia >> 2015 >> Cadenza Limited >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC P2123: Accelerator Position Sensor 1 Signal Circuit High Input >> Wiring Inspection >> Terminal and Connector Inspection
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Terminal and Connector Inspection

  1. Disconnect the APS and PCM connectors and inspect for looseness, poor connection, bending, corrosion, contamination, deterioration or damage. Reconnect the connectors.
  2. Connect the GDS and go to "Current Data"  .
  3. Monitor APS values in Current Data, check and wiggle the harness (es), connector (s), and terminal (s).
  4. Any change in the values indicates a poor connection. Was a connector problem found?

    YES 

    NO 

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