Entertainment center not turning on?

2012 INFINITI FX35
174,000 MILES • 6 CYL • 2WD • AUTOMATIC
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BHAMDOC1973
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Replaced battery, now the main screen for camera and bav is not powering on.
Oct 11, 2022 at 12:14 PM
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BHAMDOC1973
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I used the steering controls, and the radio came on, voice activation also works. Also, when i press the buttons on the main info fe ter say to change bands it works. From main screen volume works, tracking and all.
Oct 11, 2022 at 12:34 PM
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BHAMDOC1973
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Did a can scan and there were a ton of codes of course cause battery was bad. Deleted all and all i have left are these.
Oct 11, 2022 at 4:29 PM
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JACOBANDNICKOLAS
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Hi,

Does the vehicle have navigation? Also, what does the BAV stand for? I don't recognize it.

Let me know.

Joe
Oct 11, 2022 at 8:06 PM
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BHAMDOC1973
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Has nav yes. What BAV?
Oct 11, 2022 at 8:22 PM
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JACOBANDNICKOLAS
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Hi,

I just figured out what BAV is. In your first post, I think you meant NAV. LOL

As far as the code U1243, I attached the diagnostics specific to it. If you take a look below, read through what is suggested and let me know if you are comfortable performing them.

Take care,

Joe

See pics below.
Oct 12, 2022 at 5:17 PM
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BHAMDOC1973
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What does AV refer to?
Oct 12, 2022 at 5:30 PM
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JACOBANDNICKOLAS
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Hi,

AV stands for audio visual.

Let me know how things are going.

Joe
Oct 13, 2022 at 6:04 PM
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BHAMDOC1973
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Am not understanding which other harness am supposed to check as far as av. I have pulled screen out and it has a harness, what do i check as far as the av, where is it and what connects to it?
Oct 15, 2022 at 5:58 PM
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BHAMDOC1973
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Scanned it and got these, deleted them and second pic shows the codes that showed. Disconnected battery fir a while same results
Oct 15, 2022 at 7:26 PM
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JACOBANDNICKOLAS
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Hi,

The two codes that are stored are related. They seem to be related to the multi-function switch. See attached below. I say the switch because it is present in both codes. See pic 1

The multi-function switch ties to the front display, and the A/C control unit. I attached the wiring below.

Let me know if this helps.

Joe
Oct 16, 2022 at 6:49 PM
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BHAMDOC1973
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You mean the multifunction switch on steering? That can cause this issue?
Oct 16, 2022 at 6:53 PM
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JACOBANDNICKOLAS
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I'm looking through the schematics again and they don't specify. If that is the only AV switch, I would have to say yes.

Joe
Oct 16, 2022 at 8:50 PM
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BHAMDOC1973
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if you are confused about it then so am I, lol. I am not going to know more than you. Yes, I have no idea what or how to identify what or where the AV is.
Oct 17, 2022 at 4:57 AM
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JACOBANDNICKOLAS
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Hi,

The schematics are vague but extremely extensive. LOL Not having things in front of me for this issue makes it extremely difficult because I can't compare what I'm seeing with what is on the vehicle. If there is an AV switch on the steering, that must be it.

Joe

Oct 17, 2022 at 5:33 PM