Drivers window not dipping when I open..

[futureechos]

Just driven back from Devon to Kent - I noticed when I closed drivers door it did not close, as the window was fully up.

 

I could not get it to close or lock as it was not detecting the door closed, as you'd expect. I unpacked and had another faff, and same again, unlocked window did not dip.

Went through a lot of getting in passenger side, key in ignition, opened window, closed door, closed window, locked with centre console button,  got out passenger side and locked it OK.

 

Repeated and the windows isn't dipping when you pull the driver's handle, which I think is the source of the problem.

If you do the window up with door open it goes all the way up and feels like it is hard stopping at absolute max, (not a bit short so you can close door) and perhaps makes a slightly bigger noise at his hits fully open..

 

No motor noises, grinding or anything.

 

At one point could not lock with the key in the drivers door,  or with the remote. I closed the drivers door with window open, then lock with the key which brings the windows up if they are open.. but did nothing. could not lock..

 

Finally managed to get it closed and locked and now not sure what's going on..  so posting here.

 

Any ideas please?

 

 

[Mavrik]

You could try the 'reset' procedure but it sounds like the micro-switch sensor in the door handle has failed... Search on Google 😁

Edited December 14, 2021 by Mavrik

[barryb]

Hi

 

Had the same problem, replaced door lock ( pig of a job) with the VW golf lock which is identical but a fraction of Porsche price see here https://www.amazon.fr/eSynic-Serrure-Centrale-Gauche-Touran/dp/B07DVZZS5Z/ref=dp_prsubs_2?pd_rd_i=B07DVZZS5Z&psc=1. There are plenty of instructions on the web about how to do it. Make sure you go through all the lock checks before finally locking the door.

Barry

[Aaron]

Before spending any money, try pulling the battery and resetting the window positions.  Then spend money if that doesn't work.

 

[futureechos]

1 hour ago, barryb said:

Hi

 

Had the same problem, replaced door lock ( pig of a job) with the VW golf lock which is identical but a fraction of Porsche price see here https://www.amazon.fr/eSynic-Serrure-Centrale-Gauche-Touran/dp/B07DVZZS5Z/ref=dp_prsubs_2?pd_rd_i=B07DVZZS5Z&psc=1. There are plenty of instructions on the web about how to do it. Make sure you go through all the lock checks before finally locking the door.

Barry

Thanks v much - great tip..

 

Had a look through the manual - cannot see any reference to lock checks, have I missed it?

[barryb]

Hi

 

I was referring to when you fit a new lock, check it all works with the door open by dummy locking and unlocking, last thing you want is to slam the door shut and find you have a problem.

 

 

Barry

[futureechos]

This morning it's worked perfectly...   I do hate intermittent issues. Will have to keep an eye on it..

 

It looked like the external microswitch as interior lights did not come on, found this v useful article too which might help others with diagnosis:

 

Original source:

https://rennlist.com/forums/996-forum/723237-window-not-going-down-when-door-opened-2.html 

 

 

Quote

It seems that there are more and more cases of these faults appearing, and as some of our cars are reaching 10-12 years old, it is hardly surprising. I've compiled this information from past personal experience on both of my 996s, reading about others on here and other forums, referring to the workshop manual and wiring diagrams, and applying some logic. Hopefully you might find it useful, and save some grief when troubleshooting.

DOOR MICROSWITCHES

There are seven microswitches in each door which control the alarm system.

Two are separate switches:
a] One on the outside door handle. This switch is used to sense that the handle is lifted.
b] One on the inside door handle, which has the same function.

When the car is unlocked and either handle is lifted, this signals the alarm control module (ACM) to lower the appropriate window by 10mm, and turn on the interior lights. As soon as the door opens, another switch inside the door lock (explained later) tells the ACM that the door is open, which holds the window down until the door is closed, when the window is raised, and the dimming timer on the interior lights is started. Once the car is locked, the outside handle switches are ignored by the ACM.

The remaining five switches are inside the door lock assembly:
c] One switch senses if the door is open or closed.
d] One senses that the key has been turned to the 'lock' position.
e] Another senses that the key has been turned to the 'unlock' position.
f] One senses that the door lock motor has reached the 'lock' position.
g] Another senses that the door lock motor has reached the 'unlock' position.

TYPICAL FAULTS

All these microswitches can be problematic, and it is common for one or more to fail at some time. These are some of the common failures and symptoms:

1) The door window won't drop when lifting a handle. This is usually the handle microswitch which has failed.
2) The window drops, but goes back up when the door opens, or when the handle is released. This can be the handle microswitch, or more likely the 'door open/closed microswitch' ( c ) has stuck. Because the system thinks the door is still closed, it sends the window back up.
3) Door window won't go up the last 10mm. This is likely to be the 'door open/closed microswitch' ( c ) stuck in the opposite sense to (2). The system thinks the door is still open, so won't allow the window to go back up. Note that in this case the door will still lock, but you may get a single-beep from the alarm horn.
4) Door will not lock with key. The 'key lock' microswitch (d) is broken. This is very rare, as this microswitch is hardly ever used – most times the car is locked by remote.
5) Door will not unlock with key. The 'key lock' microswitch (e) is broken. This is also very rare, for the same reason.
6) Door locks, and then immediately unlocks, usually accompanied by a double-beep from the alarm horn. This is the 'door locked' microswitch (f). The locking motor physically operates the door lock, but the microswitch to sense this has failed/stuck. The ACM promptly unlocks the car. In this case, the only way to lock the door is to use the emergency locking procedure. Turn the key in the door to the lock position and back three times in quick succession.
7) The door unlocks, but there is a beep from the alarm horn. This is the 'door unlocked' microswitch (g). Although the door is unlocked, the ACM has not recognised that. The alarm will not sound, as turning the key in the lock has deactivated it.

FIXES

The inside and outside handle microswitches are available separately, and are not too expensive. Although alternative equivalent switches may be available, the genuine Porsche switch comes with a connector and wiring, so it makes sense to use an original. Part Numbers:

Inside handle microswitch: 996.613.123.00 (Same both sides)
Outside handle microswitch: 996.613.125.00 (Left) / 996.613.126.00 (Right)

The door lock microswitches are not available separately. You have to buy the complete door lock assembly, at a cost of around $120. It has been known for people to repair the offending switch though. This is a picture of a typical failure of a 'door open/close' microswitch (courtesy of another RennTech member):

I didnt put this photo in as you already saw it on another posting..... It shows a broken switch unassembled in parts.



You can see that the plastic plunger has broken, jamming the switch lever inside. These switches are (apparently) made by Burgess, but as yet the source and part number is unknown. There are several other similar standard switches on the market for around $2, and people have stripped down the new switch and rebuilt the old one with the plunger from the new one.

OTHER SWITCHES IN THE ALARM SYSTEM

The other switches and contacts in the alarm system are to monitor the lid closures:

Front lid microswitch
Rear lid microswitch
Oddment compartment microswitch
Glove box microswitch
Radio contact (to detect radio theft)

An open compartment or switch failure will cause a single-beep of the alarm horn on locking. A system error will cause a double-beep.

Other elements of the system include an interior monitoring sensor (in the overhead lighting), an alarm readiness light (on the dashboard in the centre) and a central locking button (on the dashboard). Options are a tilt sensor (next to the battery or under the left hand seat) and an alarm siren (next to the the battery).