HID fitted but autocheck problem!!

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  • johne
    S2Forum Extremist
    • Apr 2007
    • 1405
    • Country: United Kingdom

    #31
    I believe this could work - but it could make it worse if say there's a higher resistance in the path to the offside headlight unit as current to that unit would flow via the nearside unit and then on through your thin wire to the offside one triggering autocheck. Better still either do the pin k mod or link the headlamp output pins on the autocheck relay to equalise currents.

    Certainly you won't affect the rear autocheck as they as seperate relays.

    In my opinion lots of the problems with HIDs and autocheck is due to the obsession with earthing them that is the oft recommended practice on this forum. This new earthing then creates unbalanced current flows through the autocheck relay, triggering warnings. My HID kit came with a loom that took both supply and earth from the original H1 bulb connector. I made no other earth connection and have never had an autocheck warning.

    John

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    • s2carlo
      S2Forum Addict
      • Aug 2003
      • 252
      • Country: Netherlands

      #32
      Originally posted by driftin jo
      As I am going to be fitting HID's soon I was just reading up on this k pin mod and the thought occurred to me that couldn't you just run a thin wire from the right to left highlight live thus balancing the load that is being monitored ? From what I have read this is how the system works by the difference in load from pairs of bulbs left to right to determine if a bulb has gone ? Am I right in thinking this would work and still leave the rear auto check OK or am I missing something ?
      The HID-kit I got on my S2 also caused the problem, solved it with the K-pin.
      However the HID-kit I got in the A6 is a special one with "slim-ballest" (don't know what it means but the are especially for cars with autocheck systems) it did not cause any problem on the autocheck!!

      Get them!
      No power, no glory!
      S4 Avant, 2003, K&N-filter, 18", RNS-E, enough audio

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      • Gompa
        S2Forum Addict
        • Oct 2008
        • 285
        • Country: United Kingdom

        #33
        Originally posted by 4WheelDrifter
        That does sound strange that the Autocheck didn't get tripped until the sidelight bulbs were swapped. Glad you sorted it though Andy. No more annoying bulb warnings anyway.
        i fitted hid's to both fogs and dipped beam in one go and never had a autocheck, fitted l.e.d's 3-4 weeks later still no autocheck but drivers side headlight looked dull (crap chinese hids ) so when i took bumper off the other day to sort out another problem i made some better earthing points for all the ballasts to see if this would help and suprise surprise i get an autocheck warning all the time now have to do the k-pin mod next

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        • urS6Tom
          S2Forum Maniac
          • Mar 2009
          • 773
          • Country: United Kingdom

          #34
          Maybe one of these would work?

          http://cgi.ebay.co.uk/HID-HEADLIGHT-...item4836429a94

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          • Le S2 Audi
            S2Forum Possessed
            • Jul 2009
            • 3805
            • Home: Scotland Current: England

            #35
            Originally posted by urS6Tom
            Seems an expensive option...

            When you can do it for free with the K Pin...

            Did mine in no time at all when I fitted my Hids!!

            sigpic

            New S2 - S8 & RS2 -RS6 Keyrings

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            • s2driveruk
              Super Moderator
              • Jul 2003
              • 12696
              • Country: England

              #36
              mine didnt start off with the autocheck going off but after a while it kicked in. Presumed a bad earth but re-earthed and still there. Must do the K-pin thang but would prefer to find out wht causes it instead as it didnt start off that way...
              sigpic

              1992 3b S2 Coupe

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              • Le S2 Audi
                S2Forum Possessed
                • Jul 2009
                • 3805
                • Home: Scotland Current: England

                #37
                Originally posted by s2driveruk
                mine didnt start off with the autocheck going off but after a while it kicked in. Presumed a bad earth but re-earthed and still there. Must do the K-pin thang but would prefer to find out wht causes it instead as it didnt start off that way...
                Does the 3B autocheck work in the same way as an ABY???

                Did they "Upgrade" the relay or resistance required???

                sigpic

                New S2 - S8 & RS2 -RS6 Keyrings

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                • s2driveruk
                  Super Moderator
                  • Jul 2003
                  • 12696
                  • Country: England

                  #38
                  not 100% sure on that one I have to say
                  sigpic

                  1992 3b S2 Coupe

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                  • tobodestroyer
                    S2Forum Enthusiast
                    • Dec 2005
                    • 174
                    • Country: United Kingdom

                    #39
                    Is there a link to this k-pin mod? My newly fitted HIDs are giving me the same problem,

                    Cheers.

                    Comment

                    • john johnson
                      S2Forum Enthusiast
                      • Jun 2009
                      • 190
                      • Country: England

                      #40
                      Drop the dash panel under the steering wheel to reveal a nest of relays, at the back relay 281, remove it and either remove/ bend and insulate pin 'k' then pop it all back , or just search hid problem or autocheck problem
                      3 Urs to keep , 95 Avant,
                      shedmeister
                      http://s159.photobucket.com/albums/t144/jsquatts/

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                      • Le S2 Audi
                        S2Forum Possessed
                        • Jul 2009
                        • 3805
                        • Home: Scotland Current: England

                        #41
                        Originally posted by tobodestroyer
                        Is there a link to this k-pin mod? My newly fitted HIDs are giving me the same problem,

                        Cheers.
                        Links are in post #3 of this thread and also explained in this thread....

                        Start at the beginning and all becomes clear!!

                        sigpic

                        New S2 - S8 & RS2 -RS6 Keyrings

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                        • Le S2 Audi
                          S2Forum Possessed
                          • Jul 2009
                          • 3805
                          • Home: Scotland Current: England

                          #42
                          Originally posted by s2driveruk
                          not 100% sure on that one I have to say
                          Just an idea....

                          As my Son pointed out to me the other day Audi/VW have some funny idea's at times... Like why did a Mk3 Golf's Have the No99 Relay for intermitent wipers as standard, when a car 3 times the price (Audi S2) does not have it at all.....

                          They may think of everything... but its not always logical...


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                          New S2 - S8 & RS2 -RS6 Keyrings

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                          • John B
                            S2Forum Maniac
                            • Apr 2008
                            • 926
                            • Country: United Kingdom

                            #43
                            Just done this mod and it is sweet!

                            Here's another picture of the offending relay (clearer than Steve's )

                            tn_DSC02090.JPG

                            You can see 281 just behind 305 and it is the top right pin as you look.....just bent back and taped for insulation....easy 2 minute job for some silence.....wish it was this easy in the family house
                            2001 996 C4 - Being renovated
                            1994 ABY Coupe - "Das Smaragd RS2+ Coupe" - Sold

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