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    Navi System Partial Failure

    Today as I was driving around town with the Navi map showing, I suddenly found myself "off-roading". An entire section of the road map below 4 mile scale vanished. The cursor was still there, I could enter a request for directions to a point within the "lost" area and receive them, but I could not see any streets or anything else.

    I tried ejecting the DVD, hoping I could clean it and re-install it, but I could not get it to eject from the DVD player. I tried with the ignition OFF and no key in the switch, I tried with the key in the switch, but ignition OFF, I tried with ignition switch ON and I tried with the engine running. No joy in any of these modes. I also tried with Navi and PCM OFF and ON. Same negative result.

    I called the service department at my dealer and explained my dilemma (at 4:30 PM on Friday before a holiday weekend). The Ass't Service Manager said he had seen a similar problem on a Cayenne. He is ordering a new DVD reader (player) and a new Navi DVD to be installed. He is afraid that the existing DVD may be stuck in the DVD player and not be retrievable, when they replace the DVD player with the new one.

    He will call me Tuesday with an update on parts availability and estimated arrival time at his shop and arrange an appointment for me to bring my car in to have this matter dealt with.

    I had my entire PCM replaced a few months ago when I had the System Fault and simultaneously had an erratic map display cycling between day and night mode.

    Re: Navi System Partial Failure

    DD964: I took my 997S with NAV to Los Alamos National Laboratory. WHen I entered the area where the lab sits and was still on public accessible raods, the mapping went away - no roads, nothing. You could still see the cursor and even some roads that were off the lab area. It did the same thing when I entered Kirtland Air Force base - no roads shown.

    Re: Navi System Partial Failure

    Sometimes in newer areas or private spots the mapping is not available. What happens when you try it back in familiar territory again? If it's OK then I wouldn't worry about it.

    Re: Navi System Partial Failure

    Balloonmeister & SrfCity:

    This occured in a part of the city that I have traveled through many times with the map clearly showing all streets. It is not a new section of town or an area that could in any way be considered "off-limits". There is a very clear demarcation line between the areas that show streets, POIs, etc. and the area that is merely blank with the tan background color. The Ass't Service Manager said he had seen the very same problem on a Cayenne Navi system.

    Re: Navi System Partial Failure

    OK, she'sa shot then....

    Re: Navi System Partial Failure

    Maybe you could get them to replace your PCM and get MP3 capabilities!

    Re: Navi System Partial Failure

    Quote:
    Texas911 said:
    Maybe you could get them to replace your PCM and get MP3 capabilities!



    Great idea!

    Re: Navi System Partial Failure

    Quote:
    DD694 said:
    Balloonmeister & SrfCity:

    This occured in a part of the city that I have traveled through many times with the map clearly showing all streets. It is not a new section of town or an area that could in any way be considered "off-limits". There is a very clear demarcation line between the areas that show streets, POIs, etc. and the area that is merely blank with the tan background color. The Ass't Service Manager said he had seen the very same problem on a Cayenne Navi system.



    Hey DD694

    Tell us where that was ? I'll take a little trip and see what my Nav system does ? Is it around Ventura somewhere or futher away ?

    .

    Re: Navi System Partial Failure

    Inside the City of Ventura. It is definitely something amiss in the Navi system.

    They did replace my entire PCM in April when I had a problem with the display going intermittently from daytime to nighttime display mode. I don't think the new one has MP3 capability, however. Who knows, this time I might get lucky.

    Re: Navi System Partial Failure

    Quote:
    DD694 said:
    Inside the City of Ventura. It is definitely something amiss in the Navi system.

    They did replace my entire PCM in April when I had a problem with the display going intermittently from daytime to nighttime display mode. I don't think the new one has MP3 capability, however. Who knows, this time I might get lucky.



    Hi Bill,

    I've had my PCM unit replaced recently too(weird fault)...no MP3... but the official word from the Porsche man is... the PCM unit that plays MP3's is a newer unit (hardware change) !

    So, no s/w upgrade to add MP3 capability to existing units ! not the news I wanted to hear

    I'll have to take a drive up to Ventura then... see if my Nav show "holes" in the map data

    .

    Re: Navi System Partial Failure

    I have only experienced this problem on a recent Mercedes - it worked again after shutting down the ignition for a couple of hours!

    Re: Navi System Partial Failure

    What happened to you happened to me the other day. My wife and I took a long trip up into the mountains and I had the zoom set to about 4 miles. When we got back into my home town I set it back to .08 miles where I usually have it. All I got was a blank screen with the cursor as well. It's definitely a glitch with the NAV unit since every other day I see the maps of the streets. The next day it was working fine. Hasn't happened again since.

    I probably won't bother mentioning it to the dealer since it's not likely I'll be able to reproduce the problem.

    Good luck!

    Mike

    Re: Navi System Partial Failure

    Quote:
    mgregg99 said:
    What happened to you happened to me the other day. My wife and I took a long trip up into the mountains and I had the zoom set to about 4 miles. When we got back into my home town I set it back to .08 miles where I usually have it. All I got was a blank screen with the cursor as well. It's definitely a glitch with the NAV unit since every other day I see the maps of the streets. The next day it was working fine. Hasn't happened again since.

    I probably won't bother mentioning it to the dealer since it's not likely I'll be able to reproduce the problem.

    Good luck!

    Mike



    I appreciate the input. When I started up my car today, the same half-screen area was blank. This time it started at just west of my home, including much of the area that yesterday was visible. I had hoped that shutting everything down and "re-booting" would resolve it. No such luck.

    Re: Navi System Partial Failure

    My partial failure of my Nav System is now more pervasive. When I press the MAP button, I get no map, but a bar indicating the Nav System is trying to start loading with only one bar filled in blue. It never moves further. If I press the NAVI button, I get a message that says "Start Navigation System".

    I emailed the service department at my dealer today and was told by return email that they have received the new Navi DVD Player but not the DVD disk. As soon as it shows up, they will contact me and get my car in to replace the DVD player and the DVD disk. The existing player will neither play nor eject the DVD disk it is holding captive.

    Re: Navi System Partial Failure

    Today the dealer replaced my Navi DVD player and the DVD. I now have full operation of my Navi System again. Apparently, something inside the Navi DVD player failed and it would no longer function. I was also unable to eject the Navi DVD from the player. All is now well with the Navi System. All was done under warranty and took about an hour.

     
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