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Topic: Boot Unlocking (Read 3854 times) |
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lpmurphy
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Posts: 26
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Boot Unlocking
« on: Jun 28th, 2010, 7:34pm » |
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I have a problem with unlocking the boot when pressing the boot release button. This should normally actuate the motor to release the boot locking mechanism. Never had an issue with this & it just stopped working one day.
Have tried to find info on a fuse and/or relay feeding the motor without success. Does one exist? Would like to have info before I go looking at the mechanism etc. Is there a micro-switch activated when you push the button? Does anyone know how its supposed to work?
Boot will open with the key as I don't nomally use the key fob at all due to issues with the signal being picked up by the car - it never worked properly so I just gave up on it!
Appreciate any help or advice
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Simmo
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I'm an OAP !
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Re: Boot Unlocking
« Reply #2 on: Jun 29th, 2010, 6:25am » |
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There is another issue which you should check. In the saloon the loom runs near the offside boot hinge. If it is not held back out of the way of the hinge it can get knocked continuously and the wiring gets damaged. You may have to unravel some of the outer tape covering to check IF you think that is a possibility.
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lpmurphy
Newbie
Posts: 26
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Re: Boot Unlocking
« Reply #3 on: Jun 29th, 2010, 1:47pm » |
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Hi Simmo...many thanks for your reply. I did check the condition of the wiring @ that location & it all appears undamaged - thankfully!
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tlundkvi
Full Member
Ex. Scorpio 2.9 24V -95
Posts: 909
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Re: Boot Unlocking
« Reply #4 on: Jun 29th, 2010, 2:02pm » |
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The solenoid could also be broken, you could test it by connecting it to a power source.
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Highlander
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13 Scorpios, XR4x4, Suzuki SJ413 for off road :)
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Re: Boot Unlocking
« Reply #5 on: Jun 29th, 2010, 2:23pm » |
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Does the actual boot lock press in enough to release it?
They are quite prone to seizing up/sticking
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on Oct 17th, 2011, 12:35pm, Simmo wrote:I give up !  Too much for an old boy!  |
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lpmurphy
Newbie
Posts: 26
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Re: Boot Unlocking
« Reply #6 on: Jun 29th, 2010, 2:26pm » |
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Hi scorpio_man & Simmo. Had a look at my issue this morning with the photos from the link scorpio_man kindly posted. It appears that the mechanism in mine is somewhat different than the photos in the link. Problem is I don't know how to post my photographs up! (will send photos direct to scorpio_man by e-mail but would like to post for others benefit). I also checked all the fuses and relay coils in the main & aux fuse board & all were ok. I know there are some others distributed here and there throughtout the vehicle as well but I didn't check these.
There are three wires into the solendoid but only two are terminated in the triangular shaped plug...tested these but none had +12V on them. The pins were a bit dirty but I cleaned them up a bit. Assume one of these will switch to +12V when the key switch is pressed in via the micro-switch. The link that scorpio_man provided showed a blue coloured switch whcih is monted on the lower open/close mechanism of the boot but I don't seem to have the 'white disc' that scorpio_man described on the upper section where the micro-switch is located mounted on the barrel assembly of the key switch. I don't know how to take apart this upper assembly; the lower locking mechanism seems to be far easier to disassemble. I still don't know the sequence of operation of the mechanism and how the power is fed through and its source!
Appreciate any assistance!
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lpmurphy
Newbie
Posts: 26
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Re: Boot Unlocking
« Reply #7 on: Jun 29th, 2010, 2:31pm » |
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Hi tlundkvi & Highlander - didn't check the solenoid yet electrically but it meachanically moves ok. There appears to be enough movement when the key switch is pressed; it compresses the spring ok so I'm assuming that this is the way it should be?
Thanks for your replies!
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Highlander
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13 Scorpios, XR4x4, Suzuki SJ413 for off road :)
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Re: Boot Unlocking
« Reply #8 on: Jun 29th, 2010, 2:38pm » |
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Is yours a saloon? Scorpiomans pics are of an estate, similar but different 
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on Oct 17th, 2011, 12:35pm, Simmo wrote:| I give up ! Too much for an old boy! |
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lpmurphy
Newbie
Posts: 26
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Re: Boot Unlocking
« Reply #9 on: Jun 29th, 2010, 2:42pm » |
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Hi Highlander - I see what you mean! I'm glad you recognised that it was an estate; mine is indeed a saloon. Know how I can upload the photos of mine to the forum?
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Highlander
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13 Scorpios, XR4x4, Suzuki SJ413 for off road :)
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Re: Boot Unlocking
« Reply #10 on: Jun 29th, 2010, 2:45pm » |
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i use www.tinypic.com
you'll need to resize them to 640 x 480 maximum if they are bigger than that.
or email them to me and i'll post them
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on Oct 17th, 2011, 12:35pm, Simmo wrote:| I give up ! Too much for an old boy! |
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Tompion
Administrator
1997 2.3 Ultima estate.
Posts: 2918
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Re: Boot Unlocking
« Reply #11 on: Jun 29th, 2010, 2:50pm » |
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This is the layout of the saloon.
Don't think relays are involed.
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ABS multiplug wheel sensor pins MK IV or MK 20
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Highlander
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Expert
13 Scorpios, XR4x4, Suzuki SJ413 for off road :)
Posts: 8244
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Re: Boot Unlocking
« Reply #12 on: Jun 29th, 2010, 3:08pm » |
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A picture paints a thousand words 
Did you try the tester when the button is pressed lp?
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on Oct 17th, 2011, 12:35pm, Simmo wrote:| I give up ! Too much for an old boy! |
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Mike H
Senior Member
Renault Clio
Posts: 2594
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Re: Boot Unlocking
« Reply #13 on: Jun 29th, 2010, 3:11pm » |
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So, actual unlocking solenoid is white thing top right.
Centre key lock has wires coming out of it as well, but not directly linked, so I'm guessing pressing the button just sends a signal to the PCM, to open the boot,however PCM will not if car is supposed to be completely locked.
Whereas turning the key acts directly on the pushrod to the catch
(?)
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Mike H
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tlundkvi
Full Member
Ex. Scorpio 2.9 24V -95
Posts: 909
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Re: Boot Unlocking
« Reply #14 on: Jun 29th, 2010, 3:13pm » |
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lpmurphy, if it's the solenoid, the easiest way to replace it is to remove the whole lock (latch-part that is). The metal hook interconnecting the barrel and lock can be a pain to get right, especially when putting it all back. It goes pretty easy (=2-3 fags during the whole operation) when the hook is connected before the lock is put back.
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Tompion
Administrator
1997 2.3 Ultima estate.
Posts: 2918
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Re: Boot Unlocking
« Reply #15 on: Jun 29th, 2010, 3:23pm » |
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Yes white thing top right is the motor (looks like a solenoid but is a motor). There’s a track switch arrangement inside that can play up & a diode that can blow apart.
As highlander implied you need to press the button to get a voltage.
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ABS multiplug wheel sensor pins MK IV or MK 20
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Mike H
Senior Member
Renault Clio
Posts: 2594
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Re: Boot Unlocking
« Reply #16 on: Jun 29th, 2010, 3:42pm » |
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Yep it's a motor not a solenoid. Presumably goes through a complete cycle when operated.
According to central_locking.pdf looks like release switch goes back to CCM via black/yellow wire (its earth is black/blue), then CCM operates motor via orange/black - yellow/green.
My money's on a bad connection that won't give the motor the current it needs. Possibly
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Mike H
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Highlander
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13 Scorpios, XR4x4, Suzuki SJ413 for off road :)
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Re: Boot Unlocking
« Reply #17 on: Jun 29th, 2010, 4:06pm » |
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Hi Liam,
got your pics but Tompions shows everything we need i think and isnt upside down 
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on Oct 17th, 2011, 12:35pm, Simmo wrote:| I give up ! Too much for an old boy! |
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lpmurphy
Newbie
Posts: 26
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Re: Boot Unlocking
« Reply #18 on: Jun 29th, 2010, 4:11pm » |
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Hi Guys!! Many thanks for the postings! I was out looking at the whole thing while ye were psoting so sorry for not being around. So, story so far - Three contacts on the micro-switch; two outermost close when the key switch is pushed so micro-switch appears to work. Tried to power up solenoid/motor but only had 800mA available so it may not be enough. Will try to get a higher ampage supply to test. However, tested continuity on the two wire supply and got a reading of 100 Ohms.
May be an issue with the solenoid/motor? Only way to be sure is take out and replace which can be tricky as said already due to the 'link' bar between the locking mechanism and the barrel assembly - esp as there is a plastic part on the barrel assy where the 'link' rod goes through; thinking of it being easily broken!
Other possibility is the CCM signal not getting through?
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lpmurphy
Newbie
Posts: 26
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Re: Boot Unlocking
« Reply #19 on: Jun 29th, 2010, 4:22pm » |
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Hi Highlander - thanks for offering to post pics. Don't understand what you mean by being upside down as such? My pics were taken from the viewpoint of me sitting in boot and looking into the locking mechanism. With ref to Tompion's kindly supplied pic my solenoid/motor is on the lower right as I look from the rear of mechanism (sitting in boot). Not being picky Highlander - just want to be sure that everyone understands the orientation that I'm looking at! Thanks
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