Radio & Nav does not turn on

aussie1 · 03-09-2008, 12:47 PM

We recently purchased a 2005 MDX fully loaded with 30k miles. Last week the dealer did the big 30k mile service and we had the battery replaced as it was faulty and kept going flat.
When we drove it home from the dealer yesterday everything was fine but today the radio and nav screen will not turn on. I checked the fuse box and everything looks ok. The "Anti-theft" flashing red light is always flashing even while you're driving, is this normal? We've trying pressing the on button with no luck. Reverse camera doesn't come on in reverse, nav, dvd radio, everything just won't turn on.
Any ideas?
I hope we haven't purchased a lemon!

**Randy B** · 03-09-2008, 06:01 PM

Hopefully you can get some help there.

I thought that head an anti-theft code that had to be entered, after a battery failure?

Good Luck, I'm confident someone will chime in with the right information!

Randy B

aussie1 · 03-09-2008, 06:13 PM

Thanks Randy.

Yes, normally after a battery change the system prompts you for a code. The dealers have done this part already however now when we turn it on basically nothing happens.
Hopefully someone will have an answer.
thx

dj-mdx2 · 03-10-2008, 12:26 AM

The continuously flashing anti-theft light is not normal. Perhaps when the battery was changed, something got messed up with the NAV system electricals. Sounds lik you need to take it back to an Acura dealer.

aussie1 · 03-10-2008, 12:59 AM

Turns out it was Fuse #9 in the passenger side fuse box however when I replaced it the new fuse blew instantly so I'm guessing there's a short somewhere.
Time to call the dealer!

Fuse #9

Ian · 08-07-2011, 04:54 PM

Thanks a ton for posting exactly which fuse it was - saved me lots of time when we had the exact same issue!

03-09-2008, 12:47 PM	#1 (permalink)
aussie1 Registered User Join Date: Mar 2008 Location: California Posts: 4	Radio & Nav does not turn on We recently purchased a 2005 MDX fully loaded with 30k miles. Last week the dealer did the big 30k mile service and we had the battery replaced as it was faulty and kept going flat. When we drove it home from the dealer yesterday everything was fine but today the radio and nav screen will not turn on. I checked the fuse box and everything looks ok. The "Anti-theft" flashing red light is always flashing even while you're driving, is this normal? We've trying pressing the on button with no luck. Reverse camera doesn't come on in reverse, nav, dvd radio, everything just won't turn on. Any ideas? I hope we haven't purchased a lemon!

03-09-2008, 06:01 PM	#2 (permalink)
Randy B Moderator Join Date: Aug 2007 Location: Sunny Central Florida Posts: 429	Moving to the Audio and Electronics Folder Hopefully you can get some help there. I thought that head an anti-theft code that had to be entered, after a battery failure? Good Luck, I'm confident someone will chime in with the right information! Randy B __________________ 2007 Acura MDX Technology and Entertainment Dark Cherry Pearl with Parchment, body side moldings, valley trailer hitch w/factory wiring harness, rear backup sensors, black running boards, leather/wood shift knob without perforated leather, wheel locks, Husky floor liners, day/night mirror with compass, fender flares, cargo cover.

03-10-2008, 12:26 AM	#4 (permalink)
dj-mdx2 Super Senior Member Join Date: Jan 2005 Location: Alabama Posts: 3,899	The continuously flashing anti-theft light is not normal. Perhaps when the battery was changed, something got messed up with the NAV system electricals. Sounds lik you need to take it back to an Acura dealer. __________________ "Fair enough. Now I drive real f...ing fast, so keep up. I get my Acura back any differently than when I gave it, Monster Joe's gonna be disposing of two bodies." -- Winston Wolf

08-07-2011, 04:54 PM	#6 (permalink)
Ian Registered User Join Date: Feb 2006 Location: Edmond, OK Posts: 1	Thanks a ton for posting exactly which fuse it was - saved me lots of time when we had the exact same issue! __________________ ======= 2004 MDX 2004 TL

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03-09-2008, 06:13 PM	#3 (permalink)
aussie1 Registered User Join Date: Mar 2008 Location: California Posts: 4	Thanks Randy. Yes, normally after a battery change the system prompts you for a code. The dealers have done this part already however now when we turn it on basically nothing happens. Hopefully someone will have an answer. thx

03-10-2008, 12:59 AM	#5 (permalink)
aussie1 Registered User Join Date: Mar 2008 Location: California Posts: 4	Turns out it was Fuse #9 in the passenger side fuse box however when I replaced it the new fuse blew instantly so I'm guessing there's a short somewhere. Time to call the dealer! Fuse #9

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