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Home >> Kia >> 2016 >> K900 V8 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control/Fuel System - General Information - 5.0L >> Troubleshooting >> Basic Troubleshooting >> Connector Inspection Procedure

Connector Inspection Procedure

  1. Handling of Connector
    1. Never pull on the wiring harness when disconnecting connectors.
      Fig 1: Caution When Pulling Wiring Harness
      G11802825Courtesy of KIA MOTORS AMERICA, INC.
    2. When removing the connector with a lock, press or pull locking lever.
      Fig 2: Pressing/Pulling Locking Lever
      G11802826Courtesy of KIA MOTORS AMERICA, INC.
    3. Listen for a click when locking connectors. This sound indicates that they are securely locked.
      Fig 3: Locking Connectors
      G11802827Courtesy of KIA MOTORS AMERICA, INC.
    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 For Tester Probe From Wire Harness Side
      G11802828Courtesy of KIA MOTORS AMERICA, INC.
    5. Check waterproof connector terminals from the connector side. Waterproof connectors cannot be accessed from harness side.
      Fig 5: Caution For Checking Waterproof Connector Terminals From Connector Side
      G11802829Courtesy of KIA MOTORS AMERICA, INC.
      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: Pulling Lightly On Individual Wires
    G11802830Courtesy of KIA MOTORS AMERICA, INC.
  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.
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