2017 Hyundai Sonata Plug-In HybridFACTORY OEM SERVICE PROCEDURE

Connector Inspection Procedure

  1. Handling of Connector
    1. Never pull on the wiring harness when disconnecting connectors.
      Fig 1: Caution When Disconnecting Connectors
      G11630931Courtesy of HYUNDAI MOTOR AMERICA
    2. When removing the connector with a lock, press or pull locking lever.
      Fig 2: Removing Connector With Lock
      G11630932Courtesy of HYUNDAI MOTOR AMERICA
    3. Listen for a click when locking connectors. This sound indicates that they are securely locked.
      Fig 3: Locking Connectors
      G11630933Courtesy of HYUNDAI MOTOR AMERICA
    4. When a tester is used to check for continuity, or to measure voltage, always insert tester probe from wire harness side.
      Fig 4: Caution When Inserting Tester Probe From Wire Harness Side
      G11630934Courtesy of HYUNDAI MOTOR AMERICA
    5. Check waterproof connector terminals from the connector side. Waterproof connectors cannot be accessed from harness side.
      Fig 5: Caution When Checking Waterproof Connector Terminals
      G11630935Courtesy of HYUNDAI MOTOR AMERICA
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.