Author Topic: Build thread - Rob's Audi UR Quattro  (Read 198741 times)

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Offline RobClubley

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Re: Build thread - Rob's Audi UR Quattro
« Reply #1900 on: September 16, 2020, 02:16:42 pm »
Patrizia now has her own speaker, mounted at the back under the driver side dash.
She's constantly chatting about checking oil level, and wants me to check my brake pads.





Also my Blaupunkt SQR46DAB arrived from the UK.





Got it powered but had to wait another week for new double-shielded RCA cables as they were amplifying engine revs through the speakers!




Offline RobClubley

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Re: Build thread - Rob's Audi UR Quattro
« Reply #1901 on: September 16, 2020, 02:21:40 pm »
I decided to study some wiring diagrams to troubleshoot the constant "Check oil level" warning. The cat had other ideas..



Under tray re fitted.
This is an aftermarket piece from Classic Quattros


Based on some initial research, wiring diagrams and a Classic-Audi forum post from Darron Edwards from 2012 🙂
There's a .25 BAR oil pressure switch with a single wire which it uses to trigger the warning, that connects to delay relay 234 under the dash. That in turn links to Patrizia for the voice warning and to the digital dash to turn on the oil pressure warning light.
Next step is to check that relay, wire continuity from the sensor, and to the dash and patrizia.

http://www.classic-audi.co.uk/forum/showthread.php?t=24892

Hmm, relay unplugged, no oil light on dash but Patrizia gives the warning. Relay plugged in I get both. Definitely have connectivity from oil pressure switch to relay.

Offline RobClubley

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Re: Build thread - Rob's Audi UR Quattro
« Reply #1902 on: September 16, 2020, 02:24:35 pm »
Finally the RCA cables arrived so I could fit the stereo properly and reassemble the interior.








Offline brian

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Re: Build thread - Rob's Audi UR Quattro
« Reply #1903 on: September 16, 2020, 03:56:47 pm »
That looks the part....dunno about the nagging fem though :laugh:
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Offline RobClubley

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Re: Build thread - Rob's Audi UR Quattro
« Reply #1904 on: September 16, 2020, 05:38:01 pm »
That looks the part....dunno about the nagging fem though :laugh:

She is persistent.

Out of the driveway!
Drives okay, ABS issue I had is gone but there's a new one.
Sounds like the pump running for a bit, then stopping, then running. But brakes work well.


Offline le mans

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Re: Build thread - Rob's Audi UR Quattro
« Reply #1905 on: September 16, 2020, 08:57:33 pm »
Making progress! The radio looks good (biased as I am). You could almost go green with the illumination to match the dash? Might be too much, who knows.  The car’s looking stunning in that last pic.

Offline Horch

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Re: Build thread - Rob's Audi UR Quattro
« Reply #1906 on: September 16, 2020, 10:50:09 pm »
Based on some initial research, wiring diagrams and a Classic-Audi forum post from Darron Edwards from 2012 🙂
There's a .25 BAR oil pressure switch with a single wire which it uses to trigger the warning, that connects to delay relay 234 under the dash. That in turn links to Patrizia for the voice warning and to the digital dash to turn on the oil pressure warning light.
Next step is to check that relay, wire continuity from the sensor, and to the dash and patrizia.

http://www.classic-audi.co.uk/forum/showthread.php?t=24892

Hmm, relay unplugged, no oil light on dash but Patrizia gives the warning. Relay plugged in I get both. Definitely have connectivity from oil pressure switch to relay.

In the day there was an regular Audi AG service publication called a self study programs (SSP). Of the many distributed to the Audi network there was one dedicated to the urquattro oil pressure monitoring system. The system also monitors engine speed relative to oil pressure via the two sensors in order to initiate a warning activations. The tart screaming from the dash is nothing more than a gossip with little intelligence I’d unplug her and continue diagnose the fault.

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Offline RobClubley

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Re: Build thread - Rob's Audi UR Quattro
« Reply #1907 on: September 17, 2020, 03:39:16 pm »
Failed the WoF - ABS light came on during the test drive.
Brake light was fixed with contact cleaner. Haven't checked headlight yet.
And it seems the odometer lighting bulbs have gone off again. Easy fix :)








Offline superfueler

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Re: Build thread - Rob's Audi UR Quattro
« Reply #1908 on: September 17, 2020, 03:57:15 pm »
Such a beautiful car.  8)
Current: 2004 Golf mk4 R32 black, 2010 Audi A4 2.7 TDI silver.
Past: 2009 Audi S3 white, 2004 Audi A4 B6 1.8T blue, 99 Golf mk4 GTI black, 2005 Audi A4 B7 2.0T black.

Offline slowburn

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Re: Build thread - Rob's Audi UR Quattro
« Reply #1909 on: September 17, 2020, 04:51:14 pm »
argh, so close, hope it comes right....damnen ABS......
99 B5 S4 Avant
85 coupe quattro
72 fiat 124 coupe
97 corolla wagon