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2008 cx 9 electrical issue. Radio doesn't work, display

Customer Question
screen is blank, doors only...
2008 cx 9 electrical issue. Radio doesn't work, display screen is blank, doors only lock when driving.
Submitted: 2 years ago.Category: Mazda
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Answered in 17 hours by:
2/28/2016
Mazda Mechanic: sprinkles08, ASE Certified Technician replied 2 years ago
sprinkles08
sprinkles08, ASE Certified Technician
Category: Mazda
Satisfied Customers: 24,197
Experience: ASE Master and Advanced level certified. Factory trained with 17 years dealership experience
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Hello and welcome to JustAnswer!

Has the 30 amp IGKEY1 fuse been checked?

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Customer reply replied 2 years ago
Thank you for the quick response. Yes, the fuse is good. I also replaced the BCM from the driver side kick panel and the problem persists.
Mazda Mechanic: sprinkles08, ASE Certified Technician replied 2 years ago

Have the radio powers and grounds been tested?

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Customer reply replied 2 years ago
No, could that cause the key fob, display, and radio issue?
Mazda Mechanic: sprinkles08, ASE Certified Technician replied 2 years ago

Yes, they share a power feed. The first step in diagnosing the problem is to heck the radio powers and grounds.

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Customer reply replied 2 years ago
The connections behind the radio?
Mazda Mechanic: sprinkles08, ASE Certified Technician replied 2 years ago

Yes, power and ground would need to be tested at the radio to see if there is an input missing and then concentrate on that circuit. If the powers and grounds are actually present but the radio doesn't work then the radio has failed and you have multiple issues going on.

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