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Home >> Kia >> 2016 >> Optima SX Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 95 (Engine Control System Diagnosis - 1.6L (1 Of 3) - Optima (Except HEV)) >> DTC P0123: Throttle Position Sensor 1 Signal Circuit High 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 ETC Motor & TPS connector.
  2. Ignition "ON"
  3. Measure voltage between Pin No. 6 (TPS1 Signal) terminal of ETC Motor & TPS harness connector and chassis ground.

    Specification:  Approx. 4.8V

  4. Ignition "OFF" & Disconnect PCM connector.
  5. Measure resistance between Pin No. 6 (TPS1 Signal) terminal of ETC Motor & TPS harness connector and chassis ground.

    Specification: 

  6. Is the measured Value within specification?

    YES 

    NO