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Home >> Hyundai >> 2017 >> Sonata Plug-In Hybrid >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Automatic Transaxle Control System (PHEV) >> Inhibitor Switch >> Repair Procedures >> Removal
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Repair Procedures: Removal

CAUTION: The hybrid system uses DC 270V high voltage. So, be sure to follow safety instructions below. Otherwise, there may be a serious injury or electrocution (Refer to "Safety Precaution ").
  1. Make sure vehicle does not roll before setting shift lever to "N" position.
  2. Shut off the high voltage circuit (Refer to HIGH VOLTAGE SHUT-OFF PROCEDURES ).
  3. Disconnect the negative (-) battery cable.
  4. Remove the HPCU (Refer to Hybrid Control System-"Hybrid Power Control Unit ")
  5. Remove the Hybrid Power Control Unit (HPCU) tray (A).
    Fig 1: Removing Hybrid Power Control Unit (HPCU) Tray
    G11631353Courtesy of HYUNDAI MOTOR AMERICA
  6. Disconnect the inhibitor switch connector (A).
  7. Remove the shift cable mounting nut (B).
    Fig 2: Removing Shift Cable Mounting Nut
    G11631354Courtesy of HYUNDAI MOTOR AMERICA
  8. Remove the manual control lever (B) and the washer after removing a nut (A).
    Fig 3: Manual Control Lever Nut Location
    G11631355Courtesy of HYUNDAI MOTOR AMERICA
  9. Remove the inhibitor assembly (A) after removing the bolts.
    Fig 4: Inhibitor Switch Assembly
    G11631356Courtesy of HYUNDAI MOTOR AMERICA
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