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Instrument cluster dead in the cold
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CarGuru > Audi > Instrument cluster dead in the cold 11 August 2005 00:53:37

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Instrument cluster dead in the cold

Don Turner 11 August 2005 00:53:37
 I've got a problem with the gf's 2001 Audi A3. The instrument cluster is
completely dead first thing in the morning when the car is cold, but after
about 20 minutes of driving the whole thing pops into life. The car starts
up fine, its just that you're driving with a completely inert display.. no
speedo, fuel gauges, temp, clock etc..

I've taken out the cluster and checked that the connectors going into it
aren't loose and I've also replaced all the fuses relating to the instrument
panel but its still there. Today I called up Audi and they said it sounds
like it needs a new instrument cluster which will cost serious ЈЈЈ.

Any other hints?


Add comment
Angus McCoatup 6 May 2005 22:34:23 permanent link ]
 
"Don Turner" <leavemealone@nospa­m.com> wrote in message
news:427bb667$0$260­0$da0feed9@news.zen.­co.uk...> I've got a problem with the gf's 2001 Audi A3. The instrument cluster is> completely dead first thing in the morning when the car is cold, but after> about 20 minutes of driving the whole thing pops into life. The car starts> up fine, its just that you're driving with a completely inert display.. no> speedo, fuel gauges, temp, clock etc..>
I've taken out the cluster and checked that the connectors going into it> aren't loose and I've also replaced all the fuses relating to the
instrument> panel but its still there. Today I called up Audi and they said it sounds> like it needs a new instrument cluster which will cost serious ЈЈЈ.

sell it/px it while its warm


Add comment
Dave 7 May 2005 00:40:27 permanent link ]
 
I've got a problem with the gf's 2001 Audi A3. The instrument cluster is > completely dead first thing in the morning when the car is cold, but after > about 20 minutes of driving the whole thing pops into life. The car starts > up fine, its just that you're driving with a completely inert display.. no > speedo, fuel gauges, temp, clock etc..

Is it only when the weather's cold or when the car's cold? It sounds to me
like a bad connection that gets made when the area heats up. Possibly a
cracked track or dry solder joint on the circuit board. I doubt it needs a
new panel but possibly a bit diagnosis with a multimeter and then a simple
fix.

Try putting it in the fridge or freezer for a few hours then check
connectivity on the PCB tracks. Multimeters are pretty cheap from Maplins or
similar. Soldering is easy but there's a knack so if you're not confident,
get someone who is.

Alternatively you could try sourcing a 2nd hand cluster from a similar car
to test if it's the cluster or not.


Add comment
Don Turner 7 May 2005 02:44:56 permanent link ]
 "Dave" <dave@nobody.com> wrote in message
news:%CQee.20430$Y4­6.14728@newsfe1-win.­ntli.net...>> I've got a problem with the gf's 2001 Audi A3. The instrument cluster is >> completely dead first thing in the morning when the car is cold, but >> after about 20 minutes of driving the whole thing pops into life. The car >> starts up fine, its just that you're driving with a completely inert >> display.. no speedo, fuel gauges, temp, clock etc..>
Is it only when the weather's cold or when the car's cold? It sounds to me > like a bad connection that gets made when the area heats up. Possibly a > cracked track or dry solder joint on the circuit board. I doubt it needs a > new panel but possibly a bit diagnosis with a multimeter and then a simple > fix.>
Try putting it in the fridge or freezer for a few hours then check > connectivity on the PCB tracks. Multimeters are pretty cheap from Maplins > or similar. Soldering is easy but there's a knack so if you're not > confident, get someone who is.>
Alternatively you could try sourcing a 2nd hand cluster from a similar car > to test if it's the cluster or not.

Hi Dave,

It only happens when the weather is cold. For example when I park over-night
in a garage which is heated the cluster works first time. Also if I start
the car for the first time when its been sitting in the sun (mid afternoon)
it is also fine.

You may be right with respect to it being a bad solder joint or track
however I would do more damage than good if I attempted to find it. I opened
up the cluster earlier and there are dozens of surface mounted chips with
tiny solder joints.

Does anyone know of a good circuit board electrician in London or the home
counties??

Cheers
Don


Add comment
Akd 7 May 2005 02:46:04 permanent link ]
 Don Turner wrote:> "Dave" <dave@nobody.com> wrote in message > news:%CQee.20430$Y4­6.14728@newsfe1-win.­ntli.net...>
I've got a problem with the gf's 2001 Audi A3. The instrument cluster is >>>completely dead first thing in the morning when the car is cold, but >>>after about 20 minutes of driving the whole thing pops into life. The car >>>starts up fine, its just that you're driving with a completely inert >>>display.. no speedo, fuel gauges, temp, clock etc..>>
Is it only when the weather's cold or when the car's cold? It sounds to me >>like a bad connection that gets made when the area heats up. Possibly a >>cracked track or dry solder joint on the circuit board. I doubt it needs a >>new panel but possibly a bit diagnosis with a multimeter and then a simple >>fix.>>
Try putting it in the fridge or freezer for a few hours then check >>connectivity on the PCB tracks. Multimeters are pretty cheap from Maplins >>or similar. Soldering is easy but there's a knack so if you're not >>confident, get someone who is.>>
Alternatively you could try sourcing a 2nd hand cluster from a similar car >>to test if it's the cluster or not.>
Hi Dave,>
It only happens when the weather is cold. For example when I park over-night > in a garage which is heated the cluster works first time. Also if I start > the car for the first time when its been sitting in the sun (mid afternoon) > it is also fine.>
You may be right with respect to it being a bad solder joint or track > however I would do more damage than good if I attempted to find it. I opened > up the cluster earlier and there are dozens of surface mounted chips with > tiny solder joints.>
Does anyone know of a good circuit board electrician in London or the home > counties??>
Cheers> Don >
Just get a new one from a scrapper.

Andy
Add comment
Don Turner 7 May 2005 04:39:33 permanent link ]
 
Just get a new one from a scrapper.

I've looked into this and assuming I could find the exact same model I would
need to get the mileage corrected to the current mileage (around Ј120) and
then I would need to take the car down to Audi for them to reprogram the
replacement since the engine immobiliser is integrated into the instrument
cluster.

So I would much rather try and salvage what I've got first.

Cheers
Don





Add comment
Tony 7 May 2005 05:40:35 permanent link ]
 

Don Turner wrote:>>Just get a new one from a scrapper.>
I've looked into this and assuming I could find the exact same model I would > need to get the mileage corrected to the current mileage (around ВЈ120) and > then I would need to take the car down to Audi for them to reprogram the > replacement since the engine immobiliser is integrated into the instrument > cluster.>
So I would much rather try and salvage what I've got first.>
Cheers> Don

Could the problem be in the grounding of the cluster to the body and / or
grounding of the body to the engine? Check gounds in the engine compartment
where there are wide temperature swings.
Add comment
SteveB 7 May 2005 09:52:32 permanent link ]
 It's much more likely to be a bad solder joint or a fractured pcb track,
it's vibration that kills them. If you can use the car with the pcb
accessible, then gently flex the board in various directions to see if you
can make the fault come and go. By flexing smaller portions of the board
you may be able to identify an approximate area to investigate with a
magnifying glass. Another method is to get some electronic freezer spray
(that water pipe freezer stuff is OK though) and a hair drier to temperature
cycle areas of the pcb. You still need to resolder though.

A bodge may be to permanently flex the board with something jammed against
it in the appropriate direction. Then it's fingers crossed.



"Tony" <tonyjnospam@nospam­visi.com> wrote in message
news:117o74jrtf57f3­9@corp.supernews.com­...>
Don Turner wrote:>>>Just get a new one from a scrapper.>>
I've looked into this and assuming I could find the exact same model I >> would need to get the mileage corrected to the current mileage (around >> Ј120) and then I would need to take the car down to Audi for them to >> reprogram the replacement since the engine immobiliser is integrated into >> the instrument cluster.>>
So I would much rather try and salvage what I've got first.>>
Cheers>> Don>
Could the problem be in the grounding of the cluster to the body and / or > grounding of the body to the engine? Check gounds in the engine > compartment where there are wide temperature swings.


Add comment
John Laird 7 May 2005 11:46:48 permanent link ]
 On Fri, 6 May 2005 19:25:37 +0100, "Don Turner" <leavemealone@nospa­m.com>
wrote:
I've got a problem with the gf's 2001 Audi A3. The instrument cluster is >completely dead first thing in the morning when the car is cold, but after >about 20 minutes of driving the whole thing pops into life. The car starts >up fine, its just that you're driving with a completely inert display.. no >speedo, fuel gauges, temp, clock etc..>
I've taken out the cluster and checked that the connectors going into it >aren't loose and I've also replaced all the fuses relating to the instrument >panel but its still there. Today I called up Audi and they said it sounds >like it needs a new instrument cluster which will cost serious ВЈВЈВЈ.>
Any other hints?

Given how crucial the instruments are to safe and legal driving, having them
fail after 4 years or so is hardly "fit for purpose". How hard have you
tried beating on the dealer to get Audi to contribute some or all of the
cost of replacement ?

--
If you think women aren't explosive, drop one sometime.

Mail john rather than nospam...
Add comment
Rob graham 7 May 2005 15:29:36 permanent link ]
 
"Don Turner" <leavemealone@nospa­m.com> wrote in message
news:427bb667$0$260­0$da0feed9@news.zen.­co.uk...> I've got a problem with the gf's 2001 Audi A3. The instrument cluster is > completely dead first thing in the morning when the car is cold, but after > about 20 minutes of driving the whole thing pops into life. The car starts > up fine, its just that you're driving with a completely inert display.. no > speedo, fuel gauges, temp, clock etc..>
I've taken out the cluster and checked that the connectors going into it > aren't loose and I've also replaced all the fuses relating to the > instrument panel but its still there. Today I called up Audi and they said > it sounds like it needs a new instrument cluster which will cost serious > ЈЈЈ.>
Any other hints?>

Take the cluster out while it's cold, leaving it connected, and try
connecting across soldered joints with a piece of wire to see if suddenly
springs to life. At least you'd then know which bit is faulty and then
decided how best to repair it.

Rob Graham


Add comment
Steve Sweet 7 May 2005 15:59:04 permanent link ]
 Hi Don

Pop into Maplins with a tenner in your hand, buy a can of freezer spray, go
into McDonald's drive through and get a big Mac with the change, Go home.

Open up your dash whilst its warm and working, pick a corner of the display
system and give it a short squirt with the freezer, if the display vanishes
you're in the right area, continue this until you can localise to one
component or PCB area and diagnose accordingly.

I've got a problem with the gf's 2001 Audi A3. The instrument cluster is > completely dead first thing in the morning when the car is cold, but after > about 20 minutes of driving the whole thing pops into life. The car starts > up fine, its just that you're driving with a completely inert display.. no > speedo, fuel gauges, temp, clock etc..>
I've taken out the cluster and checked that the connectors going into it > aren't loose and I've also replaced all the fuses relating to the > instrument panel but its still there. Today I called up Audi and they said > it sounds like it needs a new instrument cluster which will cost serious > ЈЈЈ.

--

(є·.ё(Ё*·.ё ё.·*Ё)ё.·є)
«.·°·. Steve .·°·.»
(ё.·є(ё.·Ё* *Ё·.ё)є·.ё)



Add comment
Chris Bartram 8 May 2005 12:39:32 permanent link ]
 Don Turner wrote:
You may be right with respect to it being a bad solder joint or track > however I would do more damage than good if I attempted to find it. I opened > up the cluster earlier and there are dozens of surface mounted chips with > tiny solder joints.>
AS it is dead when it fails, it's more likely to be something like a
voltage regulator with a dodgy connection. These are among the larger
compnenents, so they are easy to hand-solder, and of course they tend to
heat up and cool down in use. I'd start by looking for that.

If you know anyone who has TV repair experience they could be worth a
try- the majority of intermittent TV faults are soldering too.
Add comment
Paul Carty 11 August 2005 00:53:37 permanent link ]
 Hi Don,

Can you please tell me how you resolved the problem with your instrument
cluster.I appear to have exactly the same problem with my 2001 A6.The
cluster is dead in the morning when the car is cold.Eventually the gauges
flicker to life and settle down.Although on a warm day all appears to be ok.


I would be grateful if you could reply.

Many thanks,

Paul..


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CarGuru > Audi > Instrument cluster dead in the cold 11 August 2005 00:53:37

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