1. Turn the ignition switch to ON position.
2. Turn the rear window defroster switch on.
Caution
3. Connect the positive (+) lead of the voltmeter to the positive side of each filament and the negative (−) lead to ground.

4. Gradually, slide the positive (+) lead from the positive side to the negative side and measure the voltage. Verify that the voltage decreases accordingly.


Filament repair
Window glassMazda 6 Service Manual: Generator removal/installation
Warning
When the battery cables are connected, touching the vehicle body with
generator terminal B will generate sparks. This can cause personal injury, fire,
and damage to the electrical components. Always disconnect the battery negative
cables before performing the following operation.
...
Mazda 6 Service Manual: Operating Tips for OGG
OGG is the audio compression format for Xiph. Org Foundation.
Audio data can be created and stored at a higher compression ratio than MP3.
This unit plays files with the extension (.ogg) as OGG files.
CAUTION
Do not use an audio file extension on files other than audio files. In addition,
do n ...