Nissan Micra K11 silhouetteK11

REAR WINDOW DEFOGGER - Filament Check

EL-118prose procedure
Continued from EL-117

Filament Check

  1. 1
    Attach probe circuit tester (in volt range) to middle portion of each filament.
    Circuit tester (voltmeter, set to volt range) with (+) and (-) probes attached to a rear window defogger filament; meter reads 6 volts indicating a normal filament. Caption: '6 volts (normal filament)'.
    SEL263
  2. 2
    If a filament is burned out, circuit tester registers 0 or 12 volts.
    Two stacked illustrations of a circuit tester on a defogger filament with a burned-out point. Top: meter reads 12 volts with the burned-out point between the probe positions (label 'Burned out point'). Bottom: meter reads 0 volts with the burned-out point at the other side (label 'Burned out point').
    SEL265
  3. 3
    To locate burned out point, move probe to left and right along filament to determine point where tester needle swings abruptly.
    Circuit tester with (+) and (-) probes on a defogger filament; an arrow shows moving the probe left and right along the filament to locate the burned-out point where the tester needle swings abruptly.
    SEL266
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