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Dieslndust
X-TRAIL ENTHUSIAST
Date Registered: 08-2009
Location: Port Adelaide
TOTAL POSTS: 133
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Re: Tailgate wont lock
Gday Dave
Sounds like you have done the electric lock actuator in the rear door. 
(This assumes that all of the other doors still lock?)
You will need to remove the inside rear panels of the tailgate door to access it and check circuits for power etc at the conecting tabs just to confirm the unit failure. Remove and replace with new or unit from wreckers.
Revhead Kev may have a wiring diag of the T30 for you and if he reads this i am quite sure he will post it for you 
They are not that hard to change with basic tools and abilities or go to the auto elec and have them fit it for you.
Cheers joe
Last edited by Dieslndust, 24/Mar/2010, 2:50 pm
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Joe & Jan
2009 TL Manual - Diamond White
Nudge Bar, Lightforce Spots, Tinted Windows, UHF Equiped, Fitted seat covers,Front bash plate,Dash matt, Towbar,Flat mirrors, Silenced Key Alarm, Custom aluminium rear sand slide plate, Provented
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24/Mar/2010, 2:48 pm
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jalalski
Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29100
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Re: Tailgate wont lock
Hi Dave,
I believe it is a faulty locking mechanism and it looks like this:
If you discover that yours is faulty and needs replacement, let me know as I have picked one up years ago from a wrecker for a member of our forum but he bought one already.
Can't remember how much I paid for it, but I think it was something close to $75.00 bucks.
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24/Mar/2010, 3:51 pm
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Revhead Kev
Date Registered: 10-2006
Location: Mona Vale, Sydney, AUSTRALIA
TOTAL POSTS: 6360
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Re: Tailgate wont lock
Hi Dave,
The rear tailgate lock mechanism is very simple in its wiring. Only 2 wires.
When locking, one will pulse +12V while the other will be Ground.
When unlocking, they will reverse and the wire which was ground for locking will now pulse +12V and the other now being Ground.
Best way to measure is to test the voltage of one wire by referencing it to a ground point on the car body. It it shows nothing when trying the lock button, try the unlock button.
The rear tailgate lock shares the same lock/unlock outputs as the rear passenger doors so if they are working then the tailgate should work also.
--- Kev X450(c) T30 Guru
03 Titanium Ti T30 Series 1 **MODIFIED**
My Blog
My CarPC Worklog |
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25/Mar/2010, 9:20 pm
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Dieslndust
X-TRAIL ENTHUSIAST
Date Registered: 08-2009
Location: Port Adelaide
TOTAL POSTS: 133
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Re: Tailgate wont lock
Gary
Have you checked the fuses with an electric current through them? They can be blown and still visually appear to be good - use a circuit meter to check.
Look and test with a probe for broken wires especially at the door hinge area - chase the current to earth for a circuit- will light up before the break but not after.
Try turning the wiper on and jiggling the wires etc see what happens.
Cheers Joe
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Joe & Jan
2009 TL Manual - Diamond White
Nudge Bar, Lightforce Spots, Tinted Windows, UHF Equiped, Fitted seat covers,Front bash plate,Dash matt, Towbar,Flat mirrors, Silenced Key Alarm, Custom aluminium rear sand slide plate, Provented
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6/May/2010, 8:36 pm
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cooch t31
X-TRAIL HOLIC
Date Registered: 06-2008
Location: Blue Mountains, NSW
TOTAL POSTS: 5966
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Re: Tailgate wont lock
Hi gary,
Also check the connectors inside the tailgate, these may have vibrated loose.
--- Tony X-891c
HERE is my D22 Navara
HERE is my old 2008 T31, ST Series1
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7/May/2010, 5:23 am
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rescue1
X-TRAIL HOLIC
Date Registered: 01-2009
TOTAL POSTS: 1384
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Re: Tailgate wont lock
quote:
cooch t31 wrote:
Hi gary,
Also check the connectors inside the tailgate, these may have vibrated loose.
Given the wiper has gone too this is quite likely to be the problem. Also check the earths....
--- Alan & Phillipa
2008 X-Trail TL White Diamond
Plumpton NSW
Our Mods
X-1112 (C)
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7/May/2010, 8:30 am
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