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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 1010 (Rear Window Defogger) >> Rear Window Defogger >> Filament Check
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Filament Check

WARNING: This page is about a different car, the 2003 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.
  1. When measuring voltage, wrap tin foil around the top of the negative probe. Then press the foil against the wire with your finger.
    Fig 1: Pressing Foil Against Wire
    G03359012Courtesy of NISSAN MOTOR CO., U.S.A.
  2. Attach probe circuit tester (in Volt range) to middle portion of each filament.
    Fig 2: Connecting Probe To Filament
    G03359013Courtesy of NISSAN MOTOR CO., U.S.A.
  3. If a filament is burned out, circuit tester registers 0 or battery voltage.
  4. To locate burned out point, move probe to left and right along filament. Test needle will swing abruptly when probe passes the point.
    Fig 3: Checking Filament Condition
    G03359014Courtesy of NISSAN MOTOR CO., U.S.A.