Home Nissan How to Service a Rear-Window Defogger on a Nissan Altima

How to Service a Rear-Window Defogger on a Nissan Altima

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Introduced in 1966 by Volvo, the rear window defogger lets you see out through the rear view mirror in cold weather and melts snow and ice from the rear window. Increasingly popular, it is now available for most cars, minivans and SUVs. You can identify the problem and service the defogger in less than 30 minutes.

Tools Used: Tools, Ohmmeter, Replacement fuses, Masking tape, Silver conductive paint or defogger repair kit, Heat gun

Service a Rear-Window Defogger

Make Sure the Current is Reaching the Defogger

Locate the fuse box to the left of the steering column on earlier models. After 2001, the fuse box is on the passenger side. Open the box by lifting up on the latch, then pulling the door straight out. Remove the defogger fuse from the fuse box using the tool provided. Hold the fuse up to the light to check if it is broken and if so, replace it.