Troubleshooting the "Power Window Inoperative" Problem

[mboucher70 at hotmail.com]

For the weekend's projects, yesterday I successfully fixed the bobbing speedometer by pulling the instrument panel and re-soldering.  It now works!!!  Yaa!!!

Today's project was the passenger side window.  Over winter it went down but wouldn't come up.  At the time, I did the temporary fix, power directly to the wires and this put them up.  Today I set out to fix it as per the instructions at

http://www.audifans.com/twiki/bin/view/Audi/PowerWindowInoperative


That article assumes that you're able to find a broken wire.  Not only was I not able to find one visually, everything seemed to check out with a multimeter.  I documented what I found hoping someone here could give a suggestion:

each plug has 5 pins that look something like this diagram:
 ____
| 1  |
|    |____
|      2  | 
| 3       |
|     _4__|
|    | 
|_5__|
 

On the plug in the driver's console that controls the passenger window:
the wire from pin 1 is brown and appears to be always grounded
the wire from pin 2 is white and connects to the wire from pin 1 on the passenger side...connection checks out with ohmmeter
the wire from pin 3 is red/blue and measures 1.5 volts with ignition off, 12 volts with ignition on
the wire from pin 4 is black/green stripe and connects to pin 5 on the passenger side...connection checks out with ohmmeter
the wire from pin 5 is also brown and appears to be always grounded

On the passenger side,
the wire from pin 1 is white...connects to pin 2 from driver's side
pin 2 is green (goes to passenger window regulator)
pin 3 is red/blue stripe and measures 1.5 volts with ignition off, 12 volts with ignition on
pin 4 is black (goes to passenger window regulator)
pin 5 is black/green strips and connects to pin 4 on drivers side

Using switch on driver's side, unable to move the passenger window in either direction.
Using switch on passenger side, can move window down but not up.
Can rig passenger side to go up by grounding pin 4 and connecting pin 3 (live) to pin 2 

Switches seem to check out by connecting them to back window.
Window regulator seems to check out because it works if power applied directly.
Wires seem to check out via ohmmeter, and no obvious breaks or cracks that I can see.


Hoping someone's been here before and can see something that I might be missing.


Thanks

Charles
Audi 100, 1990, non-quattro, non-turbo