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My 2007 astra central locking went crazy doors not locking some wouldn't unlock ,tail gate not latching, hole locking system not working, no indicator flashes when pushing remote, wires from body to door inside rubber boot were broken , very hard brittle plastic coating on wires where they need to bend n flex
The master central locking module may be faulty. If the remote still operates the drivers side door lock and it will manually unlock with the key, it's possible the central lock mechanism in the drivers door is no longer sending a signal to all the other doors to lock/unlock. If all the door locks operate when you manually unlock the drivers door, the issue may be the remote receiver unit. It would help to know what car you're driving as some vehicles have inherent faults that are common and there is usually a go-to method of rectifying the problem.
some cars are fitted with a valet key/lock 3 keys supplied new 2 normal 1 with a flute running down the middle.key with flute will not unlock the tailgate/glove box.tailgate has 2 positions key upright=locks with central locking.key turned to the left,(or right,cant remember which)then released to upright,locked,needs key to access.independant of central locking.
unlock with key and hold key over for 30 secs(windows may go down)then lock with key and hold over for 30 secs(windows may go up)then press remote unlock button and hold for 30 secs,you have just reset system...the closer you have to get to the car for the remote to work the lower the battery power.sensor on top of dash(little black dimple)rarely,if at all, goes wrong.....
turn key twice when opening, ie turn right. once drivers door will unlock, turn twice passengers doors will unlock, and locking is turn anti clock wise once will lock all doors, turn twice will set door dead locks.dead locks will stop openand lock internal button working and handle from opening door. the same actions can be applied to the remote one press drivers door, two press passenger doors, press and hold unlock button for 5 seconds and rear window will open.
You have a sticky motor somewhere, they tend to unlock but only half way so the motor tries to lock and unlock again, all I can suggest is get some WD40 and spray all your locks including the bootlock and all the mechanisms dont be shy with the WD40 after you have done all the locks do the keyholes etc aswell and then lock and unlock the car with the key on all locks and then lock and unlock repeatedly with the remote locking button.
Hope this helps Regards Dan. If you need more info about the internal door motors get back to me.
You must reset your remote control in order for the lock/unlock to work properly.
To reset remote you would: 1)Insert Key in Ignition Turn to Position 1(Don't Start the Engine) for about 5 seconds 2)Turn Key Off and HOLD the LOCK button on Remote while pressing the UNLOCK 3 TIMES 3)Release both lock and unlock buttons you are holding 4)All doors should automatically unlock
If your car has an alarm with a separate remote, it is a separate system and it is probably self-arming. When you lock the doors with the key central lock, the alarm gets armed by the RAV4 being OFF and the door locking action. When you unlock the doors with the key, the alarm is still armed because the key is not comunicating with the alarm just the cars factory keyless system.
1st wind the glass down and turn the key in the driver door twice in clockwise direction to lock, at the sound of the second click try try opening the door thru the window (passenger) manually. you will need to pull the knob twice before it opens. you can get all the passenger doors open this way until you decide to change central lock system. To activate the remote; insert the key into driver door while pressing the lock or unlock button on the remote for at least five-ten seconds which should get it functioning normally again. hope this helps. it worked on mine.
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