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sprinkles08
sprinkles08, ASE Certified Technician
Category: Mazda
Satisfied Customers: 22534
Experience:  ASE Master and Advanced level certified. Factory trained with 15 years dealership experience
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2008 cx 9 electrical issue. Radio doesn't work, display

Customer Question

2008 cx 9 electrical issue. Radio doesn't work, display screen is blank, doors only lock when driving.
Submitted: 1 year ago.
Category: Mazda
Expert:  sprinkles08 replied 1 year ago.

Hello and welcome to JustAnswer!

Has the 30 amp IGKEY1 fuse been checked?

Customer: replied 1 year 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.
Expert:  sprinkles08 replied 1 year ago.

Have the radio powers and grounds been tested?

Customer: replied 1 year ago.
No, could that cause the key fob, display, and radio issue?
Expert:  sprinkles08 replied 1 year ago.

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

Customer: replied 1 year ago.
The connections behind the radio?
Expert:  sprinkles08 replied 1 year 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.