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    Thread: Microswitch behind Trunk Lid Logo (for opening power trunk) does not work [TOC, Photos done]

    1. 09-20-2007 01:15 PM #51
      Quote, originally posted by chrisj428 »
      This sounds suspect -- I'd be keen to discover your source.

      Sure Chris,
      The source is Volkswagon U.S. (877) 742-3866. There are four Pheaton experts in this office. Ask to speak with Diane. The case number is 70304110. My Phaeton's VIN is WVWAF63D048008837. subject vehical is a 2004 Phaeton, coucou grey with a list price of $64,600, add Comfort package $2,900, Tech package $1,150, keyless $500, upgraded radio $1,000, 18" wheels n/c. The production date was October 15, 2003. The vehical was early production 2004 which (at the time) did not include the easy close doors.
      Diane at VW was simply wonderfull. Piech, if you are reading this, Please give her a raise.
      Guys - don't tear apart you truck lids to fix the microswith if you don't have too!
      Chris, please confirm with VW & clear my good name!

    2. Member chrisj428's Avatar
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      09-20-2007 02:38 PM #52
      Believe me, Bryan, I was going for a confirm/deny before you even read my post.
      And, class, there have been instances reported whereby the trunk would open on it's own in carwashes and PCC have directed to disable the microswitch at the customer's request.
      I never doubted you -- I wanted to verify the veracity of the information you were receiving.
      --Chris

    3. 09-20-2007 05:05 PM #53
      Understand Chris. I'll let everyone know how it goes when I take my Phaeton back to the dealer to have the trunks micro switch enabled/fixed. I can only hope that it as easy as restoring “switches switch” to the “on” position as was VW Corporate’s first suggestion.
      A car wash opening a truck. Who would have thought? Maybe they don’t have many tunnel car washes in Germany.
      Hmmm. I wonder if it’s the switches switch that turns on and off the switch or if it’s the switches switches switches that turn on and off the switch. - Bryan

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      09-20-2007 07:56 PM #54
      Has anyone been able to open the trunk using the microswitch on the lid without the fob in the immediate vicinity?

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      09-20-2007 09:02 PM #55
      Quote, originally posted by car_guy »
      Has anyone been able to open the trunk using the microswitch on the lid without the fob in the immediate vicinity?

      Why would one want to do that, very insecure.

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      09-20-2007 09:44 PM #56
      Quote, originally posted by ron kramer »
      Why would one want to do that, very insecure.

      I agree that no one would want it to work that way but supposedly trunks have opened by machinery in car washes. I'm just asking if anyone has been able to manually duplicate this behavior as I understood (and my experience supports) that the fob had to be near the trunk for the switch to work.

    7. 10-05-2007 06:58 PM #57
      Quote, originally posted by chrisj428 »
      Believe me, Bryan, I was going for a confirm/deny before you even read my post.
      And, class, there have been instances reported whereby the trunk would open on it's own in carwashes and PCC have directed to disable the microswitch at the customer's request.
      I never doubted you -- I wanted to verify the veracity of the information you were receiving.

      All, she just came back from the shop & the problem with my trunk micro switch has been fixed. It was not as simple as resetting or re-enabling the trunk switch.
      This is exactly what was on the service ticket;
      Customer states the truck switch built into the rear VW emblem is INOP and will not open truck.
      Tech: “Ran GFF and found faults in keyless antennae system (KISSY). Removed driver’s seat to get to access/start control module. Removed left lower kick panel and b pillar trim and removed carpet in front on driver side. Removed door panels and outer door handles to test wiring to and from antennas and module. Antennas are good and wiring is ok. Replace module per Techline VTA (omitted) and coded and adapted keys to immobilizer and ECM. Reassembled all removed and checked fit and correct function. Cleared all fault memories and tested (KISSY) system. Keyless access is functioning as it should. Also keyless locking works now also. No faults returned.”
      She was in the shop for five days & I believe the module had to be brought in from the Motherland. That said, I must offer my unqualified recommendation to Reeves Volkswagen in Tampa. Unlike other VW dealers that shall remain nameless, I was treated extremely well by Reeves VW and they did ultimately solve the problem. - Bryan

    8. Senior Member PanEuropean's Avatar
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      10-06-2007 03:04 AM #58
      Hi Bryan:
      Thanks a lot for posting that very detailed description about how you solved the problem, and also for posting the recommendation for your VW dealer in Tampa.
      Coincidentally, I have exactly the same problem with my Phaeton - the trunk won't open via the push-button on the logo or via the button on the key fob, but it opens fine when I lift the button on the driver door. I have already ordered a replacement Access and Start Controller (KESSY), and hope to install it next week. It is a nuisance of a job to get at this controller - it is hidden underneath the driver footwell carpet. We have illustrated instructions for access to this controller at this post: Retrofitting Keyless Start to a North American Phaeton.
      Michael

    9. 10-06-2007 01:53 PM #59
      Quote, originally posted by car_guy »
      I agree that no one would want it to work that way but supposedly trunks have opened by machinery in car washes. I'm just asking if anyone has been able to manually duplicate this behavior as I understood (and my experience supports) that the fob had to be near the trunk for the switch to work.

      I tried it with the key/fob in the ignition (which is typically where the key would be when going through a car wash) and when I pressed the microswitch to open it, it wouldn't open.
      ________________________________________________
      VW Touareg | Range Rover HSE | Acura RL | W12 Phaeton (sold but no replacement yet )

    10. Senior Member PanEuropean's Avatar
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      10-06-2007 10:56 PM #60
      I believe that there is a speed limiting function associated with opening the trunk - it won't open at speeds greater than 5 km/h (about 3 MPH) or something like that.
      Michael

    11. 10-07-2007 12:15 PM #61
      Quote, originally posted by PanEuropean »
      Hi Bryan:
      Thanks a lot for posting that very detailed description about how you solved the problem, and also for posting the recommendation for your VW dealer in Tampa.
      Coincidentally, I have exactly the same problem with my Phaeton - the trunk won't open via the push-button on the logo or via the button on the key fob, but it opens fine when I lift the button on the driver door. I have already ordered a replacement Access and Start Controller (KESSY), and hope to install it next week. It is a nuisance of a job to get at this controller - it is hidden underneath the driver footwell carpet. We have illustrated instructions for access to this controller at this post: Retrofitting Keyless Start to a North American Phaeton.
      Michael

      Michael, Please let us know how it goes. - Bryan

    12. Senior Member PanEuropean's Avatar
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      10-07-2007 08:03 PM #62
      Hi Bryan:
      I will do that. I have an appointment booked at my (new) VW dealer to get all the work done this coming week. I just have to free up the day to be able to get it done... that's the hard part. The work itself is easy, and will be a pleasant relief from the aviation industry.
      Michael

    13. Member Aristoteles's Avatar
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      10-24-2007 09:46 PM #63
      This thread has sent me out at 2.00am with a flashlight to investigate a logo-mounted micro-switch. Seems I'm catching a strange bug.
      My logo clicks but doesn't open the boot/trunk, whether with the car locked, unlocked, or part-locked. This is with me standing key in hand pressing the logo "where the V meets the W".
      It doesn't have the keyless feature although it does have automatic boot/trunk opening/closing. The door-mounted switch works the release as does the keyfob. It's a 2007 SWB UK model and I wonder if Dresden could make the same assembly mistake as the NAR service technician did. Surely not.
      btw does the VIN tell whether the micro-switch opening feature is fitted?

    14. Senior Member PanEuropean's Avatar
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      10-25-2007 07:46 AM #64
      Hi Richard:
      The locking and security specifications for the UK market are different than the rest of the world due to compliance with 'Thatcham' standards established by the insurance industry. I am not familiar with the exact functional specs for the UK market.
      I suggest that you really carefully review the owner manual to see what it has to say about the topic of the boot lid unlocking button. In some other markets, boot lid unlock via the trunk emblem pushbutton works if the vehicle is unlocked. You might need to check and see if locking the bonnet (via the key cylinder lock) has any effect on boot lid unlocking. I kind of suspect that the answer will be found somewhere in the fine details of the owner manual, but if you have no luck, ask your service adviser to contact the UK central service office and ask them. I have met the tech support staff from VW of UK and they are pretty sharp - they will be able to either provide or get the answer for you.
      Michael

    15. Member Aristoteles's Avatar
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      10-25-2007 09:22 AM #65
      Well, now the sun is up we have some progress to report. The VW logo micro-switch is effective once the boot lid is released via the keyfob ie. it will stop and restart the opening process. But only (mark this!) after the lid has risen appreciably. Otherwise, the lid settles back into the closed position without locking up and the logo-switch sulks. So it seems the logo-switch is ineffective when the lid is in the closed position whether or not locked, but not otherwise. The logo-switch also closes the lid, as an alternative to deploying the inner boot button, presumably for use by very tall Volkspeople.
      I wonder whether this odd arrangement is the UK's answer to the worldwide carwash-and-brush-up-the-tail predicament mentioned elsewhere. Certainly, it is an undocumented feature since the UK manual 3.1.1 states, "Unlock the vehicle. Press the middle of the VW badge on the boot lid => fig. 28 to open the bootlid." Can't put it clearer than that!
      Btw I can't find anything in 3.2 on a bonnet cylinder lock, it only mentions the internal release lever. Where would I find the cylinder lock?
      Thank you Michael for your suggestions. I'm getting too much from this extraordinary engineering tour de force to let it out of my hands even for a moment during the honeymoon period. No doubt I'll get together a short list of questions to take back to VW before long. Meanwhile, a recent bird-strike calls me back to the drive....
      PS If the New Jersey Escape Handle is what I think it is, do they fit one in Chicago too ?

    16. Senior Member PanEuropean's Avatar
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      10-25-2007 05:37 PM #66
      Richard:
      Do you have the fully hydraulic powered trunk lid on your car? In other words, the lid that will open and close (fully) by itself? Please advise. Your response above suggests that you have the power trunk opening and closing feature, not simply power operated unlatching.
      If you do have the power operated lid (as evidenced by a rectangular button on the base of the trunk lid that you press to close it once it is fully open), and the logo microswitch is not opening the trunk, then I think the solution is to have the trunk lid "re-adapted" by your VW dealer. There is a "guided function" in the Volkswagen scan tool (5051, 5052, etc.) to "re-adapt" the power opening and closing feature.
      Michael

    17. Member Aristoteles's Avatar
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      10-25-2007 07:08 PM #67
      Yes, I do have a hydraulically powered opening/closing boot. And the only failing is that the logo-switch won't open the closed boot (even when the car is unlocked) although it stops and starts the process once initiated, as well as closing the boot once opened. So perhaps it needs a software reset as you suggest. But I rather think the idea is that for security reasons you need access to the car's interior, or a key, to open the boot.
      Nice car!

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      10-25-2007 09:18 PM #68
      Quote, originally posted by Aristoteles »
      But I rather think the idea is that for security reasons you need access to the car's interior, or a key, to open the boot.

      I believe that security is addressed by the need for a key fob to be in close proximity to the trunk lid when the microswitch is pressed. In other words, even if someone is in the car and it is running, another person without a key fob cannot press the microswitch and open the trunk.
      I know there have been "third person" reports of trunks opening in car washes, but no one on the forum has said they have been able, using the microswitch, to open or seen the trunk open without a key fob near the trunk.
      Steven

    19. Senior Member PanEuropean's Avatar
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      10-25-2007 11:15 PM #69
      Quote, originally posted by Aristoteles »
      Yes, I do have a hydraulically powered opening/closing boot....

      But, no keyless entry, is that correct?
      Michael

    20. 10-25-2007 11:34 PM #70
      my car's trunk has opened while driving down the highway while both of my hands were on the steering wheel.....but then again it has not happened again so it might have been my cars way of telling me to slow down!

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      10-26-2007 12:23 AM #71
      Quote, originally posted by paulkountz »
      my car's trunk has opened while driving down the highway while both of my hands were on the steering wheel.....but then again it has not happened again so it might have been my cars way of telling me to slow down!

      Well, maybe that body in the trunk wasn't quite dead...

    22. Senior Member PanEuropean's Avatar
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      10-26-2007 09:49 AM #72
      Yeah, my thoughts exactly, but the New Jersey escape handle is wired in parallel with the driver door switch, so it won't work once the vehicle is moving above about 5 km/h. Hope VW doesn't get sued over this by any gangsters that might get locked in the trunk...

    23. Member Aristoteles's Avatar
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      10-26-2007 04:52 PM #73
      Quote, originally posted by PanEuropean »
      But, no keyless entry, is that correct?
      Michael

      That's correct. And lacking keyless go, if I could unlatch the boot using the logo switch, presumably so could anyone else.
      Incidentally, the car doesn't automatically self-lock on moving off, which surprises me. Is it a cost option?.

    24. Moderator Prince Ludwig's Avatar
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      10-26-2007 05:12 PM #74
      I think the automatic locking is something that as to be doen by the dealer or with a VAG-COM.

    25. Member Aristoteles's Avatar
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      10-26-2007 05:24 PM #75
      Quote, originally posted by Prince Ludwig »
      I think the automatic locking is something that as to be doen by the dealer or with a VAG-COM.

      That makes sense.
      How many other no-cost dealer-initiated options are there? I mean, is the car like a fully-optioned software program that's a bit crippled but for a few quid a techie with a laptop can come round and activate all those hidden features?

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