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Mazda Speed Protege Blown Stock Sub Woofer

M

micahlarson

Guest
Issue: Blown Stock Subwoofer.
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What: The stock subwoofer blows after normal usage.

Why: The stock sub suffers from a weak voice coil. After normal use of the sub, the voice coil will simply detach itself from the cone and render the sub useless. This may not be an immediate detachment and thusly your subwoofer may kick in and out at random times but it will eventually die completely.

How To Fix: Return to the dealership. Most dealerships have given the customers a completely new new amp rack including amp, the plastic deck and subwoofer. I haven't heard of a dealership just replacing the subwoofer by itself. Keep in mind this is a great time to talk to them about your amp rack if it rattles.

TSB/M-Tip:
Code:
MAZDASPEED PROTEGE - SUBWOOFER INOP
Applicable Models
Model Starting S/N Ending S/N
2003 PROTEGE 00000000 ZZZZZZZZ

Symptoms and Conditions
Customer may experience intermittent or no sound from Kenwood rear tray
subwoofer. When you encounter a customer with this concern repair vehicle
according to the following repair procedures.

Repair Procedure
1. Verify customer concern.
2. Confirm that the NF (Non Fading {rear sub-woofer audio signal}) has not
been turned off accidentally by the customer. This can be checked with
the audio turned on and pressing the AM button for approximately 2
seconds, this will cause the display screen to momentarily change
indicating "NF", ON or off.
3. Confirm power to rear subwoofer amp by verifying orange LED illuminates
when the audio unit is turned on.

If no faults are found in the above steps, exchange the subwoofer tray
assembly by contacting KENWOOD at (XXX) XXX-8740 and faxing the audio
exchange order form to FAX No. (XXX) XXX-8749.

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