Central Door Locking - unlocks
1997 Ford Fiesta 1.4 Ghia X

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HenryDudeney
Driver
3 points

Problem added: Jan 19, 2013 (8 years ago)
1997 ( R Reg) 1.4litre Ford Fiesta Ghia X 5 door. Vin WF0AXXBAJAVG13930. 85k miles.

Central door locking but the remote key fob has not worked for years despite changing battery and trying to reprogramme. Therefore have been just using the keys in the lock for many years. Now, whenever I lock it, it locks but then unlocks all the doors immediately. Happens if use either driver or passenger door.

Have replaced the door lock (the catch & solenoid (?)), but not the barrel, with one from scrap-yard. This worked perfectly for perhaps 20 attempts with the ignition off before I started the engine and drove it. Then I drove the car and the problem has returned. The lock mechanism is the one with a blue 6 pin electrical connector, not the 4 pin connecter which I have found on lower spec (LX) models.

Have tried to initiate the ‘self-test’ procedure but without success. The plan was to give the car to impoverished son, but for that it does need to be lockable. Clearly it has little residual value, so am looking for a cheap solution. If that meant foregoing the central locking feature, or having two different locks and operating them with the keys, that would be OK (as long as the rear doors could still be locked).

Any advice would be welcome

Car details
Car: Ford Fiesta
Variant: 1.4 Ghia X
Model Year: 1997
Category: Running Rough, Starting & Power Loss
Replies and Fixes
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bustedknuckles
Legend
2,304 points

Jan 19, 2013 (8 years ago)
Many years since I have had an issue with one of these ,does it work with the passenger dr lock.
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HenryDudeney
Driver
3 points

Jan 19, 2013 (8 years ago)
Happens with both the driver and the passenger door locks.
Avatar
bustedknuckles
Legend
2,304 points

Jan 20, 2013 (8 years ago)
Do you have wiring diagram that you can trace this fault from ,I would be firstly looking for a relay that,s possibly sticking ,but from memory they are bad for lock unit,s going,I will look for wiring schematics of the system when I am back at work tomorrow and see if I can come up with anything to help you.
Avatar
HenryDudeney
Driver
3 points

Jan 20, 2013 (8 years ago)
Thanks for the offer of help. Curiously enough, everything seems to be working again today. The driver side door lock is a bit 'clunky' so have tried to get some oil into it, but I suspect that it might be getting a bit worn internally. Not sure whether that could be the cause of the problems. I have the wiring diagram downloaded from the Ford TIS, but it is way beyond my comprehension - I can change bits for new ones of the same sort, but that is about it!!
I am not sure how (or even if it is possible)to attach a .pdf file to this message. Any ideas?
Would still be grateful for any advice in case the problem recurs - am not convinced that I have fixed the underlying problem yet.
Regards

Avatar
bustedknuckles
Legend
2,304 points

Jan 21, 2013 (8 years ago)
Glad it,s working ,if you can physically hear a fault then your probably on the correct path to finding it.The wiring diagram is fairly simple compared to modern networked vehicles ,but maybe it,s best to leave it to the experts as each to there own trade.But those lock unit,s were prone to fault even when those vehicles were fairly new so it,s probably going to end up being that.
Avatar
bustedknuckles
Legend
2,304 points

Jan 22, 2013 (8 years ago)
Just to add there is an alternative solution should your fault re-occur if you check out this web site called right click they do complete lock kit,s with solenoid s and key,s at reasonable cost and they come with complete instructions .
Avatar
thejo
Driver
1 points

Mar 20, 2013 (8 years ago)
I have the similar complaint when one of my doors is not properly closed. the same problem repeats when the luggage door is not properly closed. got the problem rectified..after checking them all

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