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Central locking knob question

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Old 11-12-2008, 06:58 PM
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Bill Ball
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Default Central locking **** question

What is supposed to prevent the central locking **** on the door panel from turning when the door is opened?

The **** on the passenger side door will turn and lock/unlock the doors whether the door is closed or opened.

TIA
Old 11-12-2008, 07:01 PM
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Alan
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The passender side is supposed to work this way... you can prelock it and it stays locked when closed .

The drivers door has the interlock only so you can't lock your keys in so easily...

Alan
Old 11-12-2008, 07:41 PM
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Thanks Alan! OK, that's good news... I guess I should present the real problem then. I thought perhaps the passenger door was the cause, but it's not.

In this car, the central lock button will lock the doors even with the doors open. So, I managed to lock the keys in the car last night by inadvertently hitting the central lock button on the console then closing the passenger door. It will lock the door with either/both doors open.

Also, I noticed that the button on the driver door will lock the driver door with the door open, although it barely moves the LED pin down. There is the expected resistance to turning this **** with the driver door open. The LEDs light on both doors, but the passenger door is not physically locked. When I open the passenger door, even though its LED is flashing, the alarm does not sound.
Old 11-12-2008, 07:49 PM
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Interesting Alan, that never worked on any of the cars I have owned. I have been through the motorized locks and they don't appear to have the ability to lock wheh the doors are open.

I would think Bills issue is the adjustment of the solenoid cycling..or not. I have tried to lock the doors with the rotary **** with either of them open and the position of the solenoid does not allow this. I have found that the locks only work in unison to each other and there is no way to lock them when the doors are open...even with the key.
Old 11-12-2008, 08:01 PM
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Alan
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Keith try it, I think you will find it works - but EXACTLY what I said - drivers door closed - passenger door open - lock either door - both will lock. You can now close the passenger door and it will stay locked. The alarm will initially be activated with the passenger door suspended (that door won't alarm) - once you close the door the passenger door will start to be be monitored.

Neither door will stay locked with the drivers door open and the alarm won't arm.

This is for the solenoid locks - the motor locks may well be different - but your GTS shou ld certainly be like this.

Bill - the central lock button works to lock either or both doors after the ignition is off - for security reasons it won't unlock anything until the ignition is on. The same exact provisions apply - drivers door must be closed to lock - but the passenger door can be open or closed (if open it pre-locks).

So Bill - was the drivers door closed at the time? if it was open - there seems to be a problem with the mechanical interlock on the drivers door...

I played with the doors & lock extensively to try to understand how they work (since the manual is absolutely useless on how central locking is supposed to work) - some things seemed really odd at first - but eventually I think I saw the teutonic logic in everything they do...

e.g. for grins - try this - manually lock one door while in the car with ignition on - note that the central lock indicator light comes on.

The indicator light will be on* whenever either door is locked (since emergency exit may be impeded). Whenever the indicator light is on pressing it will unlock both doors - whenever the indicator light is off* pressing it will lock both doors.

*state of the light can only be determined if the ignition is switched on - with the ignition off only locking is possible.

BTW the alarm won't trigger immediatley after locking - you get about a 10 second pause... lock LEDs flash rapidly in this period.

Alan

Last edited by Alan; 11-12-2008 at 11:21 PM.
Old 11-12-2008, 10:32 PM
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Bill Ball
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Originally Posted by Alan
Neither door will stay locked with the drivers door open and the alarm won't arm.

This is for the solenoid locks - the motor locks may well be different - but your GTS shou ld certainly be like this.

Bill - the central lock button works to lock either or both doors after the ignition is off - for security reasons it won't unlock anything until the ignition is on. The same exact provisions apply - drivers door must be closed to lock - but the passenger door can be open or closed (if open it pre-locks).

So Bill - was the drivers door closed at the time? if it was open - there seems to be a problem with the mechanical interlock on the drivers door...
When I locked the keys in the car last night, yes, the driver door was closed (passenger door opened) when I hit the central locking button. So, as you say, that was normal operation. Still points out the need to be careful. I sure thought having either door open would negate the central lock button.

Now, testing today, the central lock button will lock the doors with the driver door open, so that is wrong. And as I mentioned I can lock the driver door with the door ****, even though the LED pin does not move down more than a smidge. I'll look at the "interlock" and see if I can figure out what's wrong. Since the **** and pin barely move at all, maybe it's just a small adjustment, although the central lock clearly does not recognize the driver door is opened and allows the central console button to lock the doors.

THANKS!

Last edited by Bill Ball; 11-12-2008 at 10:58 PM.
Old 11-12-2008, 11:26 PM
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Yes Bill check out the drivers door - but its not electronically disabled by the door being open its actually purely mechanical in the door lock mechanism => when open, locking is prevented - so it should try to lock (click & move slightly) but not lock - then the central lock module detects the lock positions being different (passenger door did lock) so it reverses the last locking event (so both unlock).

I know its complicated and seems really weird...

Alan
Old 11-13-2008, 05:46 PM
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I may have a related, odd behavior in locking. My 88 (no alarm) has a tendancy to lock only the drivers lock and not activate the passenger on occasion. Each time it does so, if I go and open and close the passenger door, both locks will then cycle locked. I guess an adjustment to the drivers? door lock is needed as it's not sending the signal to the passenger lock when this occurs. I have searched for pics on this but maybe it's self-evident when you get into it.

Thanks also Alan for noting locking function as the manual doesn't give much guidance on how it's supposed to work.
Old 11-13-2008, 07:27 PM
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Well, I loosened the motor and moved it a quarter inch further from the lock and that seems to have taken care of the problem. Central lock button no longer locks the doors with the driver door open - it appropriately tries to but then cycles back open. I can no longer lock the driver door by turning the lock **** on that door if the door is open, but it works fine with the door closed.

Thanks Alan!

On to the next problem. Fortunately they are all this minor.



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