Question about Ford Sierra

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Central locking My Sierra Sapphire central locking is continuously locking as soon as I unlock the doors.Even with the doors open the cycle continues until I shut the doors when it locks itself.I suspect dampness may have got in as the front passenger loudspeaker has also stopped working after the car has stood outside for most of this wet winter.Checked fuse etc.Any ideas

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  • 167 Answers

I would agree with you on the moisture part, it can cause Electronics to do some crazy things. After you let it dry out check the fuses because sometimes the relays are controlled by fuses and if one is blown then the relay naturally will not work and it would more than likely fail closed. This would explain the locks engaging on their own as the relay to lock it is engaged and when you unlock it it over rides the lock relay for the moment but then it locks again. A lot of features on vehicles that have been sitting up will start to work on their own once the vehicle is put back in use. If not and not a fuse I would try to find a schematic and find where the door lock relays are located and check them. They could be anywhere, I would look on the fire wall outside and on the inner fender and also under the dash. I had a 93 Cad. and they were located on the left side of the trunk. I hope this helps and hope it straightens itself out once it dries out. If I can be of any further assistance please feel free to contact me.
Col. Dana Gillespie

Posted on Mar 24, 2014

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One of the switches is bad or stuck on lock position.push the switch to unlock position and slowly relies.listen for click from inside . next step disconnect passenger switch(speaker problem)if problem solved replace(aftermarket available)or driver side the same

Posted on Mar 24, 2014

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Posted on Jan 02, 2017

  • 4 Answers

SOURCE: audi a4 1995 central locking problem

Hi there.
I had exactly the same problem and there are 2 ways of solving it. The first is to pay your Audi Service Centre £350-£550 to replace it for you and the second way is to do it yourself which will cost well under £100 (depending on ebay). Firstly check the Central Locking Pump to make sure the hoses haven't come off. This is located in the very back right hand corner of the boot so you will need to remove the carpet and internal trim and you will see a block of sponge. Carefully lift the top off this and you will see the pump sat inside it.
Actually there is a great set of photos online to help you and I will add the link for you at the end. If the hoses are still connected and not leaking it is very likely that the internal compressor wheel has shattered (quite a common fault). I believe it is possible to open the pump and replace this wheel (in fact there is one for sale on a very popular auction site at the moment) but my own preference was to simply buy a whole new pump and replace that (£16.00 + £8 p+p off the same auction site).
The most important thing for you to remember is that when you look to buy a replacement pump you need to find one with the EXACT same serial number. The one in the diagram shown is
8LO 862 257 N but I have a sneaky feeling yours might end in an A.
Anyway, I hope this is of some help and dont worry about the connections as both air connectors and all 3 electrical ones are different sizes and will only fit in one place each.
Good luck.
Rik

http://www.audiworld.com/tech/elec131.shtml

Posted on Aug 19, 2008

  • 149 Answers

SOURCE: land rover discovery central locking.

No, likely to be caused by the actuators in the lock mechanism failing usually causing the door to remain locked. The boor door can also fail this way, as do the front side doors. Replacement requires the whole lock unit to be replaced at a cost of roughly £60 a lock, and a hours work. Helps if you have small hands. Requires a full strip down of the door and you will need the lock unit, trim clips (a few quid) and a trim removal tool (tenner). You can bodge with a flat head screwdriver, but the tool does help prevent damage to the clips & trim panel.

Posted on Feb 22, 2010

  • 14036 Answers

SOURCE: central door lock system not working

CHECK THE DOOR LOCKS MAIN FUSE.

Posted on May 03, 2010

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SOURCE: my passenger door central locking has stopped

Method 1: Press lock or unlock button 4 times in succession. Method 2: Switch ignition ON and OFF. Within 10 seconds press lock and unlock button in succession.
This is the only manual reset
If this does not work go to your local auto electrician
The probable fault could be central locking activator passenger door

Posted on Jul 15, 2010

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Central locking not working


probably a door switch problem will it lock unlock from pass. door

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I have a 2002 ford f150 supercrew lariat, my power door lock on all 4 doors dont work and neither switch works, theres is no clicking sound or anything, but the lights on the switch light up, also the...


You can't figure out thing's without knowing how there work , what controls them . In this case a control module .
Principles of Operation

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The central security module controls the power door lock and keyless entry system. The lock and unlock operation is carried out by supplying ground to the central security module from the door lock control switch. The normal path of the actuators is to ground through the central security module. The door lock control switch will lock and unlock all doors by grounding the appropriate circuit to the central security module. The central security module then supplies power to the appropriate common actuator circuit to lock or unlock all doors.
Plus we don't guess , we test the electrical circuits with a DVOM - digital multimeter or a test light . We use a wiring diagram so we know which part of the circuits to test .

Keyless Entry
The remote transmitter sends a frequency that is received by the central security module internal antenna. Depending on the frequency received, the central security module will lock all doors or unlock the driver door. If the unlock frequency is received again within five seconds of the first unlock, the central security module will unlock all doors.
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Plus we hook up a scan tool that can read codes from the control module , not a code reader for engine codes , won't work ! Need a professional scan tool .Do you know what DTC'S are ? Diagnostic trouble codes !
Central Security Module Diagnostic Trouble Code (DTC) Index DTC Description Source Action to Take B1309 Power Door Lock Circuit Short to Ground Central Security Module Go To Pinpoint Test C . B1341 Power Door Unlock Circuit Short to Ground Central Security Module Go To Pinpoint Test C . B1485 Brake Pedal Input Circuit Short to Battery Central Security Module Go To Pinpoint Test E . B1526 Keyless Entry Circuit Short to Ground Central Security Module Go To Pinpoint Test F . B1629 PRNDL Reverse Input Short to Battery Central Security Module Go To Pinpoint Test E . B2276 Less Than Two Transmitters Programmed Central Security Module Go To Pinpoint Test I . B2425 Remote Keyless Entry Out of Synchronization Central Security Module Go To Pinpoint Test I . - All Other DTCs Central Security Module REFER to Section 419-10 .
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Seams you lack the knowledge and test equipment to tackle this type of repair . Your best bet mite be to have a qualified repair shop check it out.
So, without testing i couldn't even begin to suggest what mite be wrong . I would only be guessing , as would anyone on here would.

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How to syncronize 2 keyless remotes for 2000 gmc sierra


Here is the way to do it.
1. Close all doors
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3. Hold down the power UNLOCK button on the driver's door panel, continue to hold down
until instructed to release in step 9.
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5. Turn the ignition to the ON position (as far as you can go without starting the engine.)
6. Turn the ignition to the OFF position.
7. Turn the ignition to the ON position (as far as you can go without starting the engine.)
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11. Repeat step 10 NOW for each additional remote. (Including any existing remotes).
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My keyless entrey will not work has new battery?


Hi, please try reprogramming the fob using these procedures, and thankd for using FixYa:
Close all doors
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4. Perform steps 5 through 8 in a fairly rapid succession.
5. Turn the ignition to the ON position (as far as you can go without starting the engine.)
6. Turn the ignition to the OFF position.
7. Turn the ignition to the ON position (as far as you can go without starting the engine.)
8. Turn the ignition to the OFF position.
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10. Hold down the LOCK and UNLOCK buttons on the remote until the doors lock and
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The driver side door does not unlock - can only (central locking)


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1. Close all doors
2. Insert key into ignition
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until instructed to release in step 9.

4. Perform steps 5 through 8 in a fairly rapid succession.
5. Turn the ignition to the ON position (as far as you can go without starting the engine.)
6. Turn the ignition to the OFF position.
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8. Turn the ignition to the OFF position.
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Central locking


Resolving this problem will require removing the door panel in question, and checking for voltage at the solenoid when the unlock button is pressed.
If there is 12V at the positive wire to the solenoid, but the door does not attempt to unlock, you must replace the solenoid.
Doors are not fused individually, so the fact the other doors are operating properly rules out fuses.
Remove the door panel, and check for voltage - if there is no voltage, the wiring is suspect. This would require more in-depth troubleshooting - checking wires for continuity to ground, and overall continuity.
Start with the door. Re-post your findings and I can help you additionally.

Thanks for using FixYa - Your FiXyA rating is appreciated!!

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