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Gary
Gary, Australia Car Mechanic
Category: Australia Car
Satisfied Customers: 743
Experience:  Senior Technician
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Wayne, My Mazda CX-7 computer seems to be rebooting often

Customer Question

Hello Wayne,
My Mazda CX-7 computer seems to be rebooting often when starting the car.
The door key remote won't work, the stereo won't work, and the introduction navigation info comes on.
The car always starts normally.
These issues don't happen all the time?
Cheers, Chris
Submitted: 2 months ago.
Category: Australia Car
Expert:  Eric replied 2 months ago.

HI,

I am sorry that you have not been helped yet. I just came online and saw your question.

Ok, first, I do need to know the year of your CX-7.

This may be a body control ecu issue, smart junction box issue or wiring issue, but I do need to know the year to be able to pull the schematics and go from there

Customer: replied 2 months ago.
Hello Eric,
The Mazda is October 2010
cheers,
Chris
Expert:  Eric replied 2 months ago.

HI,

I am sorry but I will have to opt out and see if another expert may be able to help. I have looked over the schematics for yours and am just not seeing where the problem lies. If another expert can help, they will post here

Expert:  Gary replied 2 months ago.

Hello Chris,

How old is the battery?

Is it the original battery?

Sounds like a low voltage while cranking condition .

Gary

Customer: replied 2 months ago.
Hi Gary,
The battery was installed November 2013. The engine starts fine. The issue has commenced before the key is put into the ignition;
the remote door key won't operate
the radio won't operate
interior lights don't work
fuel / trip meter economy info is reset
chair adjustment settings is reset
the TCS yellow light on the instrument panel is flashing
Aircon and running of vehicle is fine.These issues were intermittent for a few weeks, though now it is the normal situation.
Do you think battery related?
Chris
Expert:  Gary replied 2 months ago.

Hi Chris,

Sounds more a body control module issue.

Is it not happening now?

Are you willing to take it to Mazda, if it reoccurs?

Gary

Customer: replied 2 months ago.
Gary
Yes the issue is continually occurring now.
Yes I can take it to Mazda
Chris
Expert:  Gary replied 2 months ago.

Hi Chris,

That would be wise while the fault is occurring, that you take it Mazda.

Hope they sort it for you.

Kind regards

Gary

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