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D3 - Body and Exterior Bumpers, bonnets, glass, trims - Everything outside |
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#1
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Parking sensor wiring
I washed the D3 at the weekend, and since then the parking sensors have been hit and miss.
Yesterday they did not work at all, with just the hight pitched squeal and flashing green light. Tonight, much better but alternating between working and then the squeal and flashing light to working again. Mostly working, so was able to use them to park. I guess I got some water in a connector or something and its not drying out. Could some kind person who has dealt with these before tell me where to locate the wiring connector between both front and rear sensors and the main wiring. I want to take them apart and check for water, assuming I can get to them without removing the bumper.
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Manny 2004 A4 1.8T Sport Cabriolet, 89K Miles Past 2004 D3 A8 3.7 Quattro, Xenon, Bose, Blinds, Solar Sunroof, TV, ACC, phone and almost every option. 168K miles rising slowly with retrofit AMI and DVB-T in place of Analogue 2003 Volvo S60 D5 SE Manual, 197K miles. 2001 D2 A8 3.7 QS, Bi-Xenon, Bose, Blinds, Electric Everything, retrofitted RNS-D, 191K Miles |
#2
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Well, I'm afraid bumper will have to come off to take them off the car.
Also this is a bit weird. I understand this happened for the first time?? If yes then how comes it didn't happened when it was raining?? Did you used the jet wash?? What if you have a leak somewhere inside the car where connection between front and rear is ??? I will check in a minute current flow diagrams to see if I can easily locate the connector and where is it connected.
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2006 D3 S8 5.2 V10 Ceramic Brakes, Bang&Olufsen, DTV, DAB, Rear Camera, BT, TPMS, Soft Close, Auto Boot, AMI , 4 Zone AC, Home Link, All Electric Blinds, Fingerprint, Ski Hatch, Black Extended Leather, Heated Sport Seats, Alacantra, Carbon Trim inc Aluminium Pack 2. 2015 A3 S line 1.4 TFSI - for the missus to keep her away from my car. Standard S-line equipment, no extras. 2006 D3 A8 3.7 V8 - SOLD but not forgotten |
#3
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Never happened before, sensors have always worked without a problem. This is the first time I washed the car since buying it 2 months ago (I know...) Living on a farm down a muddy farm track (especially now) means the car is never clean anyway.
Washed using a bucket and sponge, and then rinsed. Only thing I can think of is that the volume of water flowing over the car is far greater than when its raining. At the weekend I'll scan the car, it will hopefully tell me which end of the car the fault lies.
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Manny 2004 A4 1.8T Sport Cabriolet, 89K Miles Past 2004 D3 A8 3.7 Quattro, Xenon, Bose, Blinds, Solar Sunroof, TV, ACC, phone and almost every option. 168K miles rising slowly with retrofit AMI and DVB-T in place of Analogue 2003 Volvo S60 D5 SE Manual, 197K miles. 2001 D2 A8 3.7 QS, Bi-Xenon, Bose, Blinds, Electric Everything, retrofitted RNS-D, 191K Miles |
#4
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...so weird !
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2006 D3 S8 5.2 V10 Ceramic Brakes, Bang&Olufsen, DTV, DAB, Rear Camera, BT, TPMS, Soft Close, Auto Boot, AMI , 4 Zone AC, Home Link, All Electric Blinds, Fingerprint, Ski Hatch, Black Extended Leather, Heated Sport Seats, Alacantra, Carbon Trim inc Aluminium Pack 2. 2015 A3 S line 1.4 TFSI - for the missus to keep her away from my car. Standard S-line equipment, no extras. 2006 D3 A8 3.7 V8 - SOLD but not forgotten |
#5
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2006 D3 S8 5.2 V10 Ceramic Brakes, Bang&Olufsen, DTV, DAB, Rear Camera, BT, TPMS, Soft Close, Auto Boot, AMI , 4 Zone AC, Home Link, All Electric Blinds, Fingerprint, Ski Hatch, Black Extended Leather, Heated Sport Seats, Alacantra, Carbon Trim inc Aluminium Pack 2. 2015 A3 S line 1.4 TFSI - for the missus to keep her away from my car. Standard S-line equipment, no extras. 2006 D3 A8 3.7 V8 - SOLD but not forgotten |
#6
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...plus, I forgot, there is a 10 or 12 pin connector on the bottom behind the bumper. There are two actually, one for park aid one for headlight washers.
Undo the bottom engine cover and you should be able to gain access unless you have hands like ogr Both are located on the right hand side (if you stand on front of the car), close to that little fog light grille. Good luck
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2006 D3 S8 5.2 V10 Ceramic Brakes, Bang&Olufsen, DTV, DAB, Rear Camera, BT, TPMS, Soft Close, Auto Boot, AMI , 4 Zone AC, Home Link, All Electric Blinds, Fingerprint, Ski Hatch, Black Extended Leather, Heated Sport Seats, Alacantra, Carbon Trim inc Aluminium Pack 2. 2015 A3 S line 1.4 TFSI - for the missus to keep her away from my car. Standard S-line equipment, no extras. 2006 D3 A8 3.7 V8 - SOLD but not forgotten |
#7
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Thanks Marcin, if the rain ever stops I'll start with the connections at the front. This has been disturbed a number of times over recent weeks due to the cambelt change and two looks at the air compressor.
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Manny 2004 A4 1.8T Sport Cabriolet, 89K Miles Past 2004 D3 A8 3.7 Quattro, Xenon, Bose, Blinds, Solar Sunroof, TV, ACC, phone and almost every option. 168K miles rising slowly with retrofit AMI and DVB-T in place of Analogue 2003 Volvo S60 D5 SE Manual, 197K miles. 2001 D2 A8 3.7 QS, Bi-Xenon, Bose, Blinds, Electric Everything, retrofitted RNS-D, 191K Miles |
#8
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There you go, I think you found it before looking at it
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2006 D3 S8 5.2 V10 Ceramic Brakes, Bang&Olufsen, DTV, DAB, Rear Camera, BT, TPMS, Soft Close, Auto Boot, AMI , 4 Zone AC, Home Link, All Electric Blinds, Fingerprint, Ski Hatch, Black Extended Leather, Heated Sport Seats, Alacantra, Carbon Trim inc Aluminium Pack 2. 2015 A3 S line 1.4 TFSI - for the missus to keep her away from my car. Standard S-line equipment, no extras. 2006 D3 A8 3.7 V8 - SOLD but not forgotten |
#9
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Scanned the car this morning, and the fault is with the front left sensor. its showing no communication intermittent. Just need the weather to be better to get at the wiring.
edit: I have been under the bonnet between showers, and can reach the back of the sensor wiring by reaching down behind the headlamp. All feels ok there, need to locate the main loom connector next and check that. VCDS measuring blocks show that all four front sensors are measuring the same distance, including the one reporting a fault when they are all in working mode.
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Manny 2004 A4 1.8T Sport Cabriolet, 89K Miles Past 2004 D3 A8 3.7 Quattro, Xenon, Bose, Blinds, Solar Sunroof, TV, ACC, phone and almost every option. 168K miles rising slowly with retrofit AMI and DVB-T in place of Analogue 2003 Volvo S60 D5 SE Manual, 197K miles. 2001 D2 A8 3.7 QS, Bi-Xenon, Bose, Blinds, Electric Everything, retrofitted RNS-D, 191K Miles Last edited by mannyo; 8th February 2014 at 01:05 PM. |
#10
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So the next connector is the one on the bottom of the bumper as the next connection would be in the boot isn't?? What fault was is it?? If it reads correct distance then it can't be faulty or can be??
__________________
2006 D3 S8 5.2 V10 Ceramic Brakes, Bang&Olufsen, DTV, DAB, Rear Camera, BT, TPMS, Soft Close, Auto Boot, AMI , 4 Zone AC, Home Link, All Electric Blinds, Fingerprint, Ski Hatch, Black Extended Leather, Heated Sport Seats, Alacantra, Carbon Trim inc Aluminium Pack 2. 2015 A3 S line 1.4 TFSI - for the missus to keep her away from my car. Standard S-line equipment, no extras. 2006 D3 A8 3.7 V8 - SOLD but not forgotten |
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