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Home >> Nissan-Datsun >> 2016 >> Sentra SL >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Seat Belt >> Basic Inspection >> Component Inspection >> Inspection >> Preliminary Checks
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Preliminary Checks

  1. Check the seat belt warning lamp for proper operation per the following:
    1. Turn ignition switch ON. The seat belt warning lamp should illuminate.
    2. Fasten driver seat belt. The seat belt warning lamp should turn OFF.
  2. If the air bag warning lamp is blinking, perform self-diagnosis with CONSULT and air bag warning lamp. Refer to TROUBLE DIAGNOSIS WITH CONSULT .
  3. Check that the seat belt retractor, seat belt anchor and buckle bolts are tightened firmly.
  4. Check the shoulder seat belt guide and shoulder belt height adjuster for front seats. Check that guide swivels freely and that webbing lays flat and does not bind in guide. Check that height adjuster operates properly and holds securely.
  5. Check retractor operation:
    1. Fully extend the seat belt webbing and check for twists, tears or other damage.
    2. Allow the seat belt to retract. Check that webbing returns smoothly and completely into the retractor. If the seat belt does not return smoothly, wipe the inside of the loops with a clean paper cloth. Dirt build-up in the loops of the upper anchors can cause the seat belts to retract slowly.
    3. Fasten the seat belt. Check that seat belt returns smoothly and completely to the retractor. If the webbing does not return smoothly, the cause may be an accumulation of dust or dirt. Use the "SEAT BELT TAPE SET" and perform the following steps.
    4. Inspect the front seat belt D-ring anchor
      1. Pull the seat belt out to a length of 500 mm (19.69 in) or more.
      2. Hold the seat belt at the center pillar webbing opening with a clip or other device.
      3. Pass a thin wire through the D-ring anchor webbing opening. Hold both ends of the wire and pull it tightly while moving it up and down several times along the webbing opening surface to remove dirt stuck there.
      4. Any dirt that cannot be removed with the wire can be removed by cleaning the opening with a clean cloth.
      5. Apply tape at the point where the webbing contacts the D-ring anchor webbing opening.
        NOTE:

        Apply the tape so that there is no slack or wrinkling.

      6. Remove the clip holding the seat belt and check that the webbing returns smoothly.
  6. Repeat steps above if necessary to check the other seat belts.
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