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| D2 - Lights Headlights, xenons, foglights. Everything outside the car that glows |
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#1
17th April 2023, 04:12 AM
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Perplexing indicator fault
G'day folks,
I have an interesting fault currently... My indicators aren't working ("eh, who needs 'em, I'm an Audi Driver yo!"). However, I'm confused with fixing them. As far as I can tell, the indicators and the hazards use the same relay in the relay panel (J2). Well, the hazards work perfectly! Intermittently, I can get the indicators to come on solidly (no flash), then last night on my way home from work (it was 2am, two turns to my street, just over a km distance - I chanced it) they actually flashed very slowly when I applied the brakes. Came off the brakes and they went back to solid (no flash). Ok, so maybe it's the switch... I'm not convinced with that behaviour though. So how can I test the switch - with the ignition off, I turn the switch and the side parking lights come on, along with the interior buzzer. I tested this multiple times and it works every time. So I don't think it's the switch. Back to the relay then... Any thoughts? I'll give feedback if I solve it!
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Cheers Marty  ____________________ Current: 2001 Audi S8 - Brilliant Black with Black interior, C5 RS6 rims (whenever I actually put them on...), Solar Sunroof, Tinted side and rear glass, RNS-D, Grom, Bose, clunky old phone in arm rest! 2002 Audi S8 - Project Replacement head coming arrived  thanks to MJSilver with Black interior. All features as the '01, with the 'S' mode auto shifter. Dodgey rear tint (need to find a way to get rid of that). Family: 2009 Volvo XC90 V8 R Design - has a louder more obnoxious exhaust than the S8, sounds great! Love this thing - Q7 was double the price, and certainly not double the car! Sold: 1997 Audi A4 - Hamilton's Club Sport, Achat Grey (will miss the old girl) 
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#2
17th April 2023, 04:58 AM
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More confusion...
Where is "Passenger Compartment Relay Panel No.4"? As that supposedly contains the "Turn Signal J1" and "Hazard Warning Light J2" relay/modules in the one housing at the R1 location. Judging by other relays on the same panel (coolant fan speed control, horn, windows, sunroof, steering wheel), it would want to be reasonably easy to access. Under the MDF panel, I can only identify Relay Panels 1, 2 and 3. I cannot see No.4. So I now have no idea where to find the indicator relay, except I'm thinking it's part of the hazard light switch similar to a B5, as that has a physical tapping (like a bi-metal strip) when the hazards are operating...
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Cheers Marty ____________________ Current: 2001 Audi S8 - Brilliant Black with Black interior, C5 RS6 rims (whenever I actually put them on...), Solar Sunroof, Tinted side and rear glass, RNS-D, Grom, Bose, clunky old phone in arm rest! 2002 Audi S8 - Project Replacement head coming arrived thanks to MJSilver with Black interior. All features as the '01, with the 'S' mode auto shifter. Dodgey rear tint (need to find a way to get rid of that). Family: 2009 Volvo XC90 V8 R Design - has a louder more obnoxious exhaust than the S8, sounds great! Love this thing - Q7 was double the price, and certainly not double the car! Sold: 1997 Audi A4 - Hamilton's Club Sport, Achat Grey (will miss the old girl)
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#3
17th April 2023, 05:40 AM
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FFS...
Yeah ok, I found it. "Passenger Compartment Relay Panel No.4" Right up the left hand side behind the glovebox... Access a PITA, but doable
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Cheers Marty ____________________ Current: 2001 Audi S8 - Brilliant Black with Black interior, C5 RS6 rims (whenever I actually put them on...), Solar Sunroof, Tinted side and rear glass, RNS-D, Grom, Bose, clunky old phone in arm rest! 2002 Audi S8 - Project Replacement head coming arrived thanks to MJSilver with Black interior. All features as the '01, with the 'S' mode auto shifter. Dodgey rear tint (need to find a way to get rid of that). Family: 2009 Volvo XC90 V8 R Design - has a louder more obnoxious exhaust than the S8, sounds great! Love this thing - Q7 was double the price, and certainly not double the car! Sold: 1997 Audi A4 - Hamilton's Club Sport, Achat Grey (will miss the old girl)
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#4
17th April 2023, 05:58 AM
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Got the relay out.
It's wet. Could this be a botangs hole issue? Oh... And the hazards still work! Separate relay on FL cars, clearly!
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Cheers Marty ____________________ Current: 2001 Audi S8 - Brilliant Black with Black interior, C5 RS6 rims (whenever I actually put them on...), Solar Sunroof, Tinted side and rear glass, RNS-D, Grom, Bose, clunky old phone in arm rest! 2002 Audi S8 - Project Replacement head coming arrived thanks to MJSilver with Black interior. All features as the '01, with the 'S' mode auto shifter. Dodgey rear tint (need to find a way to get rid of that). Family: 2009 Volvo XC90 V8 R Design - has a louder more obnoxious exhaust than the S8, sounds great! Love this thing - Q7 was double the price, and certainly not double the car! Sold: 1997 Audi A4 - Hamilton's Club Sport, Achat Grey (will miss the old girl)
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#5
17th April 2023, 06:53 AM
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Yes, botang's hole - it drips in to the indicator relay first, then down in to the relay box on to the folding mirror control unit.
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#6
17th April 2023, 06:58 AM
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I had a similar problem. Turned out to be the hazard light switch. My indicators would play all sorts of games eventually staying on solidly. If I operated the hazard switch they would flash as expected. If I knocked it off when the indicators were off then they would stay off until I used the indicator stalk then they would act up and eventually stay on! I replaced the hazard switch and now all is well.
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Conan (the Librarian) Watch it if you dare Currently, 2000 S8, Merlin Purple, Leather Pack 1, Winter Pack 1, SPAX adjustable suspension, AP Racing 6 pot front caliper, 385mm fully floating disks, EBC Yellow Stuff Pads, Black Diamond grooved rear disks and predetor pads, D2 Doctors Brake Block. 1997 4.2 A8SQ - the Projekt. 12 years and ongoing! 1997 4.2 A8SQ - Ming Blue. Restoration sat waiting; saved from the Scrapyard 2003 C5 Allroad 4.2Q - Cobolt Blue. Towing car. Laid up awaiting manual conversion. 2005 C5 Allroad 2.5TDi FE - Grey - Workhorse. 2015 Q3QS SLine - Daytona Grey. Lots of extras! Long Haired Admirals cutter. Previously 2003 C5 A6 1.9TDI FWD - Loaner from D2 Doctor Lifex 1997 S8 - Ming Blue. Loaned out and written off. I loved that car. My first engine swap after cambelt failure. 1996 4.2 A8SQ - Ming Blue. 178k on a cambelt! Trader's 8. Delivered to A8Parts at Lifex. 2003 2.8 A8SQ - powder blueish. Fill in for a while. Sold on. 1998 1.8T A4 Avant FWD. Ming Blue (there's a theme here), PEX for the 97 S8. And a list of non VAG going back 40 years before I saw the light.
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#7
17th April 2023, 07:06 AM
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I've temporarily replaced the indicator relay with a spare from the never starting project silver car.
They now work as expected! I'll buy a new one, as I don't wish to cannibalise the silver car. Now to patch up botangs hole... How do I get at it? Is it behind the left front strut tower? The ECU and TCU are there aren't they?
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Cheers Marty ____________________ Current: 2001 Audi S8 - Brilliant Black with Black interior, C5 RS6 rims (whenever I actually put them on...), Solar Sunroof, Tinted side and rear glass, RNS-D, Grom, Bose, clunky old phone in arm rest! 2002 Audi S8 - Project Replacement head coming arrived thanks to MJSilver with Black interior. All features as the '01, with the 'S' mode auto shifter. Dodgey rear tint (need to find a way to get rid of that). Family: 2009 Volvo XC90 V8 R Design - has a louder more obnoxious exhaust than the S8, sounds great! Love this thing - Q7 was double the price, and certainly not double the car! Sold: 1997 Audi A4 - Hamilton's Club Sport, Achat Grey (will miss the old girl)
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#8
17th April 2023, 09:33 AM
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Quote:
On a lighter note, I remember a conversation with one of my much younger work colleagues (early 20s) when I was working in New Zealand. The conversation was about general driving standards and I had mentioned that just that morning I was following a police car for a considerable time, and not once did he indicate (at roundabouts, junctions or changing lanes) and he came out with one particular line which has stuck with me ever since: "I never use indicators because I know where I'm going."
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2001 A8 D2 FL 3.7 Q - LPG Conversion, Engine: AKC, Gearbox:FBB, Colour:LY5X Aqua Blue pearl effect, Interior:WJ light beige/dark beige valcona leather with burr walnut inserts My DIY jobs - Replaced alarm horn, Replaced Coolant Temp sensor, Updated RNS-D firmware, Installed Reversing Camera and Digital TV, Dashcam Installation, Retrofitted Rear Blinds, Auto-Dimming Rear View Mirror, Chrome Boot Struts Sold!  2008 S8 D3 5.2 V10 - Engine: BSM, Gearbox:KLW, Colour:LY7F Suzuka Grey Pearl Effect, Interior:Black/Black with Silver/Black valcona leather with carbon atlas inserts, Bang & Olufsen, Heated windscreen, Soft-close doors, TV, DAB, AMI, Quad Zone, Auto Boot, Auto dim Mirrors, Keyless entry, PDC with rearview camera, AFS II HeadlightsMy DIY jobs - Fan Jet Windscreen Washers, Retrofitted Electric Side Blinds
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#9
17th April 2023, 12:56 PM
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Quote:
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Cheers Marty ____________________ Current: 2001 Audi S8 - Brilliant Black with Black interior, C5 RS6 rims (whenever I actually put them on...), Solar Sunroof, Tinted side and rear glass, RNS-D, Grom, Bose, clunky old phone in arm rest! 2002 Audi S8 - Project Replacement head coming arrived thanks to MJSilver with Black interior. All features as the '01, with the 'S' mode auto shifter. Dodgey rear tint (need to find a way to get rid of that). Family: 2009 Volvo XC90 V8 R Design - has a louder more obnoxious exhaust than the S8, sounds great! Love this thing - Q7 was double the price, and certainly not double the car! Sold: 1997 Audi A4 - Hamilton's Club Sport, Achat Grey (will miss the old girl)
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#10
18th April 2023, 09:37 AM
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Quote:
__________________
2001 A8 D2 FL 3.7 Q - LPG Conversion, Engine: AKC, Gearbox:FBB, Colour:LY5X Aqua Blue pearl effect, Interior:WJ light beige/dark beige valcona leather with burr walnut inserts My DIY jobs - Replaced alarm horn, Replaced Coolant Temp sensor, Updated RNS-D firmware, Installed Reversing Camera and Digital TV, Dashcam Installation, Retrofitted Rear Blinds, Auto-Dimming Rear View Mirror, Chrome Boot Struts Sold! 2008 S8 D3 5.2 V10 - Engine: BSM, Gearbox:KLW, Colour:LY7F Suzuka Grey Pearl Effect, Interior:Black/Black with Silver/Black valcona leather with carbon atlas inserts, Bang & Olufsen, Heated windscreen, Soft-close doors, TV, DAB, AMI, Quad Zone, Auto Boot, Auto dim Mirrors, Keyless entry, PDC with rearview camera, AFS II HeadlightsMy DIY jobs - Fan Jet Windscreen Washers, Retrofitted Electric Side Blinds
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Hybrid Mode
