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Home >> Kia >> 2016 >> Optima SX Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 91 (Engine Control System Diagnosis - 1.6L (3 Of 3) - Optima (Except HEV)) >> DTC P2122: Throttle/Pedal Position Sensor/Switch D Circuit Low Input >> Wiring Inspection >> Ground Circuit Inspection

Ground Circuit Inspection

WARNING: This page is about a different variant/trim than selected.
  1. Ignition "OFF" and disconnect APS connector.
  2. Ignition "ON"
  3. Measure voltage between Pin No. 6 (power) terminal APS harness connector and chassis ground. (A)
  4. Measure voltage between Pin No. 6 (power) terminal and Pin No. 2 (Ground) terminal of the APS. (B)

    Specification:  "A" - "B" = Below 200mV (A, B: Approx. 5.0V)

  5. Is the measured voltage within specification?

    YES 

    NO