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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 P2766-31: Input Speed Sensor 2 Circuit Range/Performance (No Pulse) >> 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 "INPUT SPEED SENSOR " and disconnect input speed sensor connector.
  3. Ignition "ON"
  4. Measure voltage between Pin No. 5 (Signal) terminal of input speed sensor harness connector and chassis ground.

    Specification:  Approx. 0V

  5. Ignition "OFF"
  6. Measure resistance between Pin No. 1, 4 (Power) terminal and Pin No. 5 (Signal) terminal of input speed sensor harness connector.

    Specification:  ∞ (infinite)Ω

  7. Measure resistance between Pin No. 5 (Signal) terminal of input speed sensor harness connector and chassis ground.

    Specification:  ∞ (infinite)Ω

  8. Is measured value within specification?

    YES 

    • Fault might be intermittent and caused either by poor contact in connectors or wiring harness, or it has been repaired and control module memory is not cleared yet. Thoroughly check terminal of battery, all connectors (and connections) for looseness, bending, corrosion, contamination, deterioration, and/or damage.
    • Repair or replace as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

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