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jaychief
Trainee


Joined: 17 Jan 2017
Posts: 74



PostPosted: Thu Nov 30, 2017 4:36 pm    Post subject: PCM 2.1 sat nav problem Reply with quote

Well am living the C4s but I’ve just noticed the sat nav doesn’t seem to be working,you can put a address in and it says calculating route but it doesn’t do it, there is just a blue screen with a arrow in. In the bottom of the screen it says map off ????
I have looked every were but can’t find details on it
 
  
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jaychief
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Joined: 17 Jan 2017
Posts: 74



PostPosted: Thu Nov 30, 2017 4:37 pm    Post subject: Reply with quote

This is the screen
 



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monster
Hockenheim


Joined: 04 Sep 2010
Posts: 672
Location: Bournemouth


PostPosted: Thu Nov 30, 2017 4:42 pm    Post subject: Reply with quote

Check the GPS status - are you receiving any satellites or does it say 0 there?
 
  
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jaychief
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Joined: 17 Jan 2017
Posts: 74



PostPosted: Thu Nov 30, 2017 4:47 pm    Post subject: Reply with quote

I think it says 0, we’re could I double check ?
 
  
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monster
Hockenheim


Joined: 04 Sep 2010
Posts: 672
Location: Bournemouth


PostPosted: Thu Nov 30, 2017 4:51 pm    Post subject: Reply with quote

jaychief wrote:
I think it says 0, we’re could I double check ?


If it says 0 that is your problem - you are not receiving any satellite GPS info.

Have you had your pollen filter or you windscreen replaced recently ?
 
  
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jaychief
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Posts: 74



PostPosted: Thu Nov 30, 2017 4:55 pm    Post subject: Reply with quote

I’ve not had it changed....
 
  
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monster
Hockenheim


Joined: 04 Sep 2010
Posts: 672
Location: Bournemouth


PostPosted: Thu Nov 30, 2017 5:02 pm    Post subject: Reply with quote

ok - the reason I asked that, is that the connection to the GPS antenna which resides just above the pollen filter and at the base of the windscreen on the passenger side is located there and can get dislodged.

If your PCM is not seeing any satellites and the value is 0 on the PCM screen. I would first check this connection and then also check the connection of the other end of the antenna into the GPS unit in your frunk - it terminates with a blue connector.

If all connections are sound it could be an issue with the GPC antenna itself or the GPS unit...
 
  
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jaychief
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Posts: 74



PostPosted: Thu Nov 30, 2017 5:12 pm    Post subject: Reply with quote

Thanks
 
  
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FRZ 911
Hockenheim


Joined: 19 Jun 2015
Posts: 688
Location: East Africa/Northern Ireland

2007 Porsche 997 Carrera 4S

PostPosted: Thu Nov 30, 2017 5:13 pm    Post subject: Reply with quote

As monster says. I had exactly the same issue with mine last year following a windscreen change. It turned out the connector at the antenna end had worked free.
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997.1 C4S Meteor Grey Manual (Porsche Engine)
 
  
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jaychief
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PostPosted: Thu Nov 30, 2017 5:33 pm    Post subject: Reply with quote

It’s it something I could do my self ?
 
  
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FRZ 911
Hockenheim


Joined: 19 Jun 2015
Posts: 688
Location: East Africa/Northern Ireland

2007 Porsche 997 Carrera 4S

PostPosted: Thu Nov 30, 2017 6:04 pm    Post subject: Reply with quote

It probably is jaychief but I didn't do it myself as I had the windscreen company come back out to fix it. Not much help I'm afraid.

You could take a look at this workshop manual page (site won't let me paste the link) as it has a few pics of the gps antenna etc. Not great quality but might be enough to go on. Dont know
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997.1 C4S Meteor Grey Manual (Porsche Engine)

Last edited by FRZ 911 on Thu Nov 30, 2017 6:10 pm; edited 1 time in total
 



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monster
Hockenheim


Joined: 04 Sep 2010
Posts: 672
Location: Bournemouth


PostPosted: Thu Nov 30, 2017 6:07 pm    Post subject: Reply with quote

jaychief wrote:
It’s it something I could do my self ?


If your handy yes definitely. The connections are easy to check, the one above the pollen filter is a bit fiddly to locate - I find sliding a mirror in is a good way to see it and ensure your fingers are heading in the right direction.

If you google some of the guides on how to change the pollen/cabin filter (its on passenger side on RHD cars), the antenna connection sits immediately above this - if you slide your mirror on top of the pollen filter facing upwards and maybe shine a light onto it you should see the connector!

So you car has had no work done on it recently that could have dislodged anything - its just stopped working out of the blue has it?

Last edited by monster on Thu Nov 30, 2017 6:53 pm; edited 1 time in total
 
  
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Demort
Estoril


Joined: 21 Mar 2015
Posts: 3502
Location: Sussex


PostPosted: Thu Nov 30, 2017 6:50 pm    Post subject: Reply with quote

From memory you press the nav button , then press set then status .. that will show at the bottom of the screen how many satalites have been picked up.

If it shows that some have then its not the gps .. but to be fair after reading this I think it will be the gps .

If the blue plug on the gps is loose or you can wighgle it then it needs a new lead run to the Nav disc unit .

The usual problem and ive seen a lot of these is windscreen guys dont know its fitted to the panel so pull the panel without removing the lead .

This will ALWAYS break it although they often refit it and think its ok .
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jaychief
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Joined: 17 Jan 2017
Posts: 74



PostPosted: Sat Dec 02, 2017 1:06 pm    Post subject: Reply with quote

Had a look this morning for the the wire, must admit don't have a clue. But found a another wire wasn't plugged in, think its a heater washer plug....
I have looked on the internet but can't find a picture. Does any one have a picture of what am looking for?
 
  
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FRZ 911
Hockenheim


Joined: 19 Jun 2015
Posts: 688
Location: East Africa/Northern Ireland

2007 Porsche 997 Carrera 4S

PostPosted: Sat Dec 02, 2017 1:42 pm    Post subject: Reply with quote

jaychief wrote:
Had a look this morning for the the wire, must admit don't have a clue. But found a another wire wasn't plugged in, think its a heater washer plug....
I have looked on the internet but can't find a picture. Does any one have a picture of what am looking for?


Have a look here:

https://www.google.co.uk/search?q=997+gps+antenna+cable+plug&ie=UTF-8&oe=UTF-8&hl=en-gb&client=safari#imgrc=nqSIWkvXbRoxMM:

The blue connector is what you're looking for.
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monster
Hockenheim


Joined: 04 Sep 2010
Posts: 672
Location: Bournemouth


PostPosted: Sun Dec 03, 2017 2:03 am    Post subject: Reply with quote

jaychief wrote:
Had a look this morning for the the wire, must admit don't have a clue. But found a another wire wasn't plugged in, think its a heater washer plug....
I have looked on the internet but can't find a picture. Does any one have a picture of what am looking for?


Find where your pollen filter is and slide you hand onto the top of the filter housing cover and feel up above it and you should feel the connector there, alternatively slide a mirror in there as I described earlier and you can view it.

The other end of this cable terminates in your frunk in the actual GPS unit itself - so you can check the connection there too - in fact if you check this end first you will see what the connector looks like as its the same on both ends of the cable.
 
  
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