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Home >> Kia >> 2020 >> Optima SX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 31 (Dual Clutch Transmission Diagnosis - 1.6L (2 Of 2) (Except HEV)) >> DTC P1904-12: Select 2 Position Sensor Short To Battery >> Wiring Inspection >> Signal Circuit Inspection

Signal Circuit Inspection

WARNING: This page is about a different variant/trim than selected.
  1. Ignition "OFF"
  2. Refer to "GEAR ACTUATOR ASSEMBLY and DCT CONTROL MODULE (TCM) " and disconnect Gate Select Actuator/TCM connector.
  3. Measure resistance between Pin No. 12 (Signal) terminal of Gate Select Actuator harness connector and Pin No. 22 (Signal) terminal of TCM harness connector.

    Specification:  Approx. below 1Ω

  4. Is measured value within specification?

    YES 

    • If problem still occurs, replace "Gate Select Actuator" and then go to "VERIFICATION OF REPAIR " procedure.

    NO 

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