1. Inspect for resistance between the tweeter terminals using an ohmmeter.


2. To verify that the tweeter outputs sound, apply voltage to the tweeter and release using a 1.5-V battery.
Tweeter removal/installation
Woofer removal/installationMazda 6 Service Manual: Dtc c1095, c1096
Caution
When attaching the tester lead to the DSC HU/CM connector the SST
(49 G066 004) must be used.
Diagnostic procedure
...
Mazda 6 Service Manual: Operating Tips for MP3
MP3 stands for MPEG Audio Layer 3, which is standardized voice compression established
by the ISO*1 working group (MPEG).
Use of MP3 allows for audio data to be compressed to approximately a tenth of
the source data size.
This unit plays files with the extension (.mp3) as MP3 files.
*1 Intern ...