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Home >> Kia >> 2017 >> Sedona LX >> 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 >> Ground Circuit Inspection

Ground Circuit Inspection

  1. IG "OFF" and disconnect APS connector.
  2. IG "ON".
  3. Measure voltage between Pin No. 3 (power) terminal APS1 harness connector and chassis ground.(A)
  4. Measure voltage between Pin No. 3 (power) terminal and Pin No. 5 (Ground) terminal of the APS.(B)

    Specification:  "A" - "B" = Below 200mV

  5. Is the measured voltage within specification?

    YES 

    NO