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Home >> Hyundai >> 2017 >> Sonata Plug-In Hybrid >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control/Fuel System - General Information (PHEV) >> Troubleshooting >> Basic Troubleshooting >> Connector Inspection Procedure
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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
      NOTE:
      • Use a fine wire to prevent damage to the terminal.
      • Do not damage the terminal when inserting the tester lead.
  2. Checking Point for Connector
    1. While the connector is connected:

      Hold the connector, check connecting condition and locking efficiency.

    2. When the connector is disconnected:

      Check missed terminal, crimped terminal or broken core wire by slightly pulling the wire harness. Visually check for rust, contamination, deformation and bend.

    3. Check terminal tightening condition:

      Insert a spare male terminal into a female terminal, and then check terminal tightening conditions.

    4. Pull lightly on individual wires to ensure that each wire is secured in the terminal.
      Fig 6: Checking Terminal Tightening Condition
      G11630936Courtesy of HYUNDAI MOTOR AMERICA
  3. Repair Method of Connector Terminal
    1. Clean the contact points using air gun and/or shop rag.
      NOTE: Never use sand paper when polishing the contact points, otherwise the contact point may be damaged.
    2. In case of abnormal contact pressure, replace the female terminal.