[xj40] Total Closure (close windows on arming alarm)

XJ40
1

Hi all. It seems total closure is a feature of these cars and I’m
lookin for a little help.

Central locking and power windows are working fine. The car seems
to have had the Jaguar alarm at some point (it has the little white
dome by the map lights in the roof) but that seems to have been
replaced with a Laserline alarm.

The doors lock when the alarm is armed and unlock when disarmed.

Inside the car, with the ignition on, if you press the lock button
by the radio and hold it in, the doors lock and the windows close.

I read that I should be able to lock the car with the key and keep
it turned and the windows will close. The doors lock, but the
windows dont move.

So, how do I go about makind the windows close from the key and
from the alarm? And ideas?–
Mat___
Warrington, United Kingdom
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2

In reply to a message from Mat___ sent Fri 15 Apr 2005:

Mine has not got the factory alarm. My windows, etc will close with
the passenger side door lock, but not the driver’s side. I think it
is the controlling microswitch on the door. Your’s may be the same.
Scott–
Jaguar & Triumph- LBC Sanity check time…
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3

In reply to a message from Mat___ sent Fri 15 Apr 2005:

Mat,

I don’t know if you can fix yours. My car has a ‘dealer-fit on
delivery’ Laserline alarm (because Jaguar alarms were not a
standard or optional fit on UK spec cars in '91) and I can confirm
that when setting the alarm with the key-fob, the central locking
operates and by keeping my thumb on the button for a few seconds,
any open windows close and I guess a sunroof would too if it had
one. Any open windows also close if I use the key in the door and
hold it in the locking position for a few seconds.

However, reading the little green Laserline information card that
came with my car (me not being the original owner of course), in
discussing the features of the various models of alarm, it makes
reference to the automatic closure of windows and sunroof being an
optional feature ‘if fitted’ with neither being available on
model 936 & 948 alarms.

My car has those features so I obviously don’t have either of those
models. Of the other features specific only to certain models (e.g.
emergency key switch on back of siren, ultrasonic sensor inhibit
from key fob, panic button, automatic engine immobiliser, back-up
battery, etc) all of which feature on my car I worked out that my
car has the Laserline model ‘979’ fitted - but nowhere is there a
label saying that.

Do you know which model alarm is fitted to your car?–
The original message included these comments:

Hi all. It seems total closure is a feature of these cars and I’m
lookin for a little help.
Central locking and power windows are working fine. The car seems
to have had the Jaguar alarm at some point (it has the little white
dome by the map lights in the roof) but that seems to have been
replaced with a Laserline alarm.
I read that I should be able to lock the car with the key and keep
it turned and the windows will close. The doors lock, but the
windows dont move.
So, how do I go about makind the windows close from the key and
from the alarm? And ideas?

–
Bryan N, '91 Sovereign 4.0 L, (RHD)
Cambridge, United Kingdom
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4

In reply to a message from Bryan N sent Fri 15 Apr 2005:

Bryan

My 90 Sovereign has what I assume is the standard jagaur alarm
(black key fob, white dome and switch in central console bin), I’m
sure it said jaguar on it when I found it removing my right blower
(I was removing the blower, the alarm wasn’t).

If I also hold the fob button after pressing to lock the car, my
windows and sunroof will close as long as I keep the button pressed
down.

Is your laserline a different system, or was mine a dealer fit and
not a standard fit.–
The original message included these comments:

I don’t know if you can fix yours. My car has a ‘dealer-fit on
delivery’ Laserline alarm (because Jaguar alarms were not a
standard or optional fit on UK spec cars in '91) and I can confirm

–
Chris Jamison
London, United Kingdom
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5

In reply to a message from Chris Jamison sent Fri 15 Apr 2005:

Chris,

I made that comment about Jag not fitting as standard or offering
as an option an alarm on UK spec '91 cars based on, a) mine not
having one (a Jag alarm I mean) when it had every conceivable extra
you could specify on a Sovereign except a sunroof (it was bought as
a company car for the MD and he obviously didn’t skimp on the
spec!) and, b) there was no mention of an alarm being available
from the factory in the price list / spec sheet as late as June
1992.

The first mention of a factory-fit alarm on UK cars appears on the
September 1992 Price list / spec sheet for the 1993 models with
a ‘Radio frequency remote control security system’ being fitted
as ‘Standard’ with an ‘Ultrasonic intrusion sensing security
system’ being offered as ‘Optional Equipment at extra cost’ - �190
UKP.

I believe that any UK car pre-'93 MY with an alarm must have been a
dealer-fit item. I don’t know if the dealers had any latitude in
this or whether they were required to fit an alarm approved by
Jaguar - e.g. the Laserline as fitted to my '91 car.–
The original message included these comments:

My 90 Sovereign has what I assume is the standard jagaur alarm
(black key fob, white dome and switch in central console bin), I’m
sure it said jaguar on it when I found it removing my right blower
(I was removing the blower, the alarm wasn’t).
If I also hold the fob button after pressing to lock the car, my
windows and sunroof will close as long as I keep the button pressed
down.
Is your laserline a different system, or was mine a dealer fit and
not a standard fit.

–
Bryan N, '91 Sovereign 4.0 L, (RHD)
Cambridge, United Kingdom
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6

In reply to a message from Chris Jamison sent Fri 15 Apr 2005:

My alarm is the laserline 939, according to the front of the siren
unit. It has the overrive key too. I’ve now tried holding down the
button with no effect. I’ve searched the net for any information
on this alarm and can find nothing.

I’ve tried the windows from both the drivers side and the passenger
side now (didnt try the passenger side before) neither works. I
can hear the click of the microswitch if I turn the key very
carefully. I may strip the door down and trace the wires.

I may replace the alarm with something better, but unless I can
work out what wire I need to trigger to get the windows to close
I’ll still be in the same position. I suppose I could just rig a
wire to the back of the switch in the console, but that switch only
seems to work when the ignition is on. Arghhhh!

Anyone have a wiring diagram for this stuff? I’d really like the
windows to close themselves, it’s nice for ‘‘pose value’’ !!–
The original message included these comments:

If I also hold the fob button after pressing to lock the car, my
windows and sunroof will close as long as I keep the button pressed
down.
Is your laserline a different system, or was mine a dealer fit and
not a standard fit.

–
Mat___
Warrington, United Kingdom
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7

In reply to a message from Mat___ sent Fri 15 Apr 2005:

Your problem should have nothing to do with your alarm system.
There are 2 micro swithes behind the door handle, lock assy. One
for the lock function and one for the window, sunroof function.
Turning the key a short way will hit the lock switch. Turning it
farther and holding for a few seconds hits the second one and
activates the closure funtion. Sounds like the closure micro swith
is out of adjustment(or bad).
Jim Moore(88 XJ40)–
The original message included these comments:

The doors lock when the alarm is armed and unlock when disarmed.
Inside the car, with the ignition on, if you press the lock button
by the radio and hold it in, the doors lock and the windows close.
I read that I should be able to lock the car with the key and keep
it turned and the windows will close. The doors lock, but the
windows dont move.

–
James Moore
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8

In reply to a message from James Moore sent Sat 16 Apr 2005:

I took the covers off the drivers door and located the connector
for the microswitch and checked it, the switch is working fine.
It’s on two wires, one red and one Black/pink.

It seems that the black pink is a ground line and the red is the
signal line, the red wire goes directly to the CPU and instructs it
to signal a door lock (by grounding the Green/Blue wire to the door
lock logic unit, and then sends a window up signal to the window
control logic.

I checked the resistance between the red wire at the CPU and ground
and it seems short, so it looked like there’s a short circuit
somewhere. So I cut the red wire at this point and checked again:
Short to car wiring side, open to CPU. Good. So I gound the red
wire to the CPU, doors lock and windows go up!

Looks like there’s a short somewhere causing this wire to be held
to ground all the time.

I’ve also stripped out the laserline alarm and I’ll be fitting
something better so all I need to do it connect it’s lock signal to
this red wire and all systems are go.

I suppose I should trace the short too so the doorlocks can close
the windows, sigh, it’s never easy!

Anyhoo I thought this may be of use to someone else if they ever
have a similar problem. :)–
Mat___
Warrington, United Kingdom
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