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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 >> Signal Circuit Inspection

Signal 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. 1 (Signal) terminal of APS harness connector and chassis ground.

    Specification:  Approx. 0V

  4. Ignition "OFF" & Disconnect ECM connector.
  5. Measure resistance between Pin No. 1 (Signal) terminal APS harness connector and chassis ground.

    Specification: 

  6. Is the measured Value within specification?

    YES 

    NO