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Home › Hyundai › 2019 › Sonata Plug-In Hybrid › Repair and Diagnosis › Transmission › Transmission Control Systems › Automatic Transaxle Control System (PHEV) › Transaxle Oil Temperature Sensor › Repair Procedures › Inspection

Repair Procedures: Inspection

  1. Turn ignition switch OFF.
  2. Remove the Hybrid Power Control Unit (HPCU) assembly.
  3. Disconnect the solenoid valve connector (A).
    G12793458Courtesy of HYUNDAI MOTOR AMERICA
  4. Measure the resistance between + terminal (9) and - terminal (13).
    G12793459Courtesy of HYUNDAI MOTOR AMERICA
  5. Check that the resistance is within the specification.
    Temp. [(°C) °F] Resistance (kΩ)
    (-40) -40 48.1
    (-20) -4.0 15.6
    (0) 32.0 5.88
    (20) 68.0 2.51
    (40) 104.0 1.19
    (60) 140.0 0.61
    (80) 176.0 0.32
    (100) 212.0 0.18
    (120) 248.0 0.11
    (140) 284.0 0.07
    (165) 329.0 0.04
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