Central Locking Problems xk8
 

Hi
Can anybody help me - Yesterday my 1997 XK8 coupe central locking stopped working - in addition a few other things occurred :

1. Remote switches off alarm/opens boot and operate headlights but does not open the car
2. Key works ok but just the driver door unlocks - not the passenger door
3. Doors do not lock on drive away anymore.
4. Windows godown the small amount to open the door but does not go back up when you close the door.
5. everytime you pull the door handle the window goes down a small amount - e.g if you pull the door handle 5 times the window goes down 5 times

Nick

RE: Central Locking Problems xk8
 

check you battery

RE: Central Locking Problems xk8
 

On #5, check your owner's manual. It will tell you how to reset the windows. As j_g says, the computers go squirrely with a battery that is not up to par.

RE: Central Locking Problems xk8
 

Thanks for the info - fixed the window problem - without stating the obvious - how do you tell if your battery is not up to par - starts first time every time, no labouring on the starter - reads 13V (mid way) on the gauge when running - nothing else is going wrong. I drive 125 miles each day on fast A roads and at the moment without lights on - so its getting a good run everyday.

on the door locking:
When i press the key fob the alarm works (indicators flash) and there is a clicking sound coming from the door - also when you open the door from the inside there is the same clicks (every 3 or 4 secs) -

Nick

RE: Central Locking Problems xk8
 

I would just try a reboot and see what happens. Disconnect the battery for a minute or so and reconnect it. Let it sit for a few minutes. Of course you will have to reprogram the windows again.

RE: Central Locking Problems xk8
 

Mostauto part stores will do a battery test for free, hoping to sell you a battery. The voltage guage is an 'idiot guage', it always reads in the middle unless the system has completely failed.

RE: Central Locking Problems xk8
 

I had the same problem. Appx $125 installed by the great guys at my localAdvanced Auto Parts. They even took the time to hook up a secondary battery so myvehicle programming stayed (radio,#1, #2 settings,etc)as they made the change.

Poof - problems gone!

RE: Central Locking Problems xk8
 

does it lock then.. after tick..tick.. then unlock..?

RE: Central Locking Problems xk8
 

Hi
Sorry for delay – been trying a few days but there is something wrong with my computer.

The car only locks and unlocks the driver door with the key. If you press the remote – interior lights come on and you can hear clicking but nothing happens. When you get in the car and lock the door from the inside your hear a click every few seconds (think there are 3 or 4 clicks) also you can hear clicks on the passenger side. Passenger side will only open by hand. Boot & fuel opens ok, remote boot and lights ok. No drive off locking either

Nick

RE: Central Locking Problems xk8
 

Please forgive if I am being doubly redundent but everything you describe still could be a marginal battery. Try simple first.

RE: Central Locking Problems xk8
 

Hi I've had the battery checked out and have been told it's fine think it showed 12.9 Volts - can't think what else it could be in terms of resetting (disconected battery to try that)- must be something electrical in the door as it clicks but does nothing else - anyone any last thoughts before I take it in to a dealer

Nick

98 XK8 doors not locking
 

Hi I have similar problems. Cannot use remote at all. I got new battery for it. I can manually lock the drivers door but not the passengers door. Accordingly someone helped themselves to a gear shift knob in Roslyn the other night. I have loaned my manual and the local jag expert is on holiday. I have the same problemn with the door lowering when touching the handle as above. The battery is charged according to the battery man. I have to prime it before closing it. I can reset the windows by the hand switches ok. Also the battery goes flat if I leave it connected overnight but I cannot figure what the drain off is? So have manually set up everytime I drive it. Any ideas?

Has anyone ever got to the bottom of what to do to cure this problem?

Possible answer?
 

I've been having this exact same problem on my 2000 xkr! Went to the dealer, they said it was a door microswitch problem, which was going to cost about €400,- per door! Although you can biy the parts yourself and possibly fix the problem. Here's a link to a video of how it should be done:
http://youtu.be/DV1hy3AYni0

Alhough i haven't tried this yet due to a lack of time.
Furthermore i found a possible second option, it is said you can clean this microswitch yourself, here's a link to that post:
https://www.jaguarforums.com/forum/xk8-xkr-17/success-passenger-door-microswitch-90184/?styleid=5
Have been suffering from this problem quite a while now, especially when the alarm goes of at 3am is startink to wear me out ;)

Anyway, hope this helps, please let me know if it does!

Greetings

Sounds like the door micro switch to me, see post >#6 here for info and links:

https://www.jaguarforums.com/forum/x...roject-118210/

Exactly the same on my XK8
 

That’s a seriously old thread... but still resonates... probably for all eternity
 

Check
1. Battery
2. Battery cables’ connections
3. Door cable connections
4. Microswitches
4. Door control module
5. Security module

bet it’s no.1 or 2

HI DAVID! Brother, You're everywhere, lol....

Guess why I'm reading this!?