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Central locking problem 53 reg tddi

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Central locking problem 53 reg tddi

Postby cdel2005 » Sat Nov 25, 2017 7:20 pm

when I use the key fob to lock the doors the rear doors don't lock
When I lock manually via the drivers door or passangers door the rear doors don't lock
The rear doors lock only by key into rear doors manually
The front doors are working as they should
The key fob opens all as normal

Any ideas what issue may be?

Thanks
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Re: Central locking problem 53 reg tddi

Postby Brains_transit » Sat Nov 25, 2017 8:50 pm

A fuse or a wiring fault at a guess
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Re: Central locking problem 53 reg tddi

Postby Altransit » Sun Nov 26, 2017 1:21 pm

As above, most rear door or C/L faults are cause by wiring where it goes from the body into the rear door :)
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2004 Mk6 SWB T280 Medium Roof 85PS 2.0 TDDi - Vantunered (Also gone)
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Re: Central locking problem 53 reg tddi

Postby cdel2005 » Mon Nov 27, 2017 4:40 pm

well i looked underneath the steering column for fuses and there wasnt any so i checked behind glovebox fusebox and loosened it aswell and there is no fuses i will upload pictures tomorrow.the wiring is all in protective rubber stuff.
where should i be looking for wiring fault behind the rear lights?
maybe the actuator has gone?
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Re: Central locking problem 53 reg tddi

Postby cdel2005 » Wed Nov 29, 2017 4:16 pm

behind rear light
Image

steering column
Image

passanger fusebox
Image




the multi plug which connects to rear door lock which wires should i look at with the multi meter

the drivers door, passengers door and side loading door all work as they should with key fob
the rear doors do not lock with key fob but the do open with key fob when manually locked via rear door
hazard come on as normal to signal locked and interior light comes on when open
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Re: Central locking problem 53 reg tddi

Postby cdel2005 » Thu Nov 30, 2017 4:49 pm

the multi plug into the rear door actuator/mechanism,can anyone help diagnose problem

1 yellow&green
2 empty
3 yellow
4 black&brown
5 black
6 black& white
7 black&brown
8 blue&black
9 white&green

hayes manual wiring
Image
Image
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Re: Central locking problem 53 reg tddi

Postby karma846 » Sat Dec 02, 2017 5:52 am

Do you know how to use the multimeter?

Firstly check for power at the source (fuse box). Then check as close to the load end as possible.

If you have power at locks then the lock is faulty. If not you probably have a broken cable.

An ohms test from source to locks would confirm this.

Also test for a good earth. No earth, no circuit

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Re: Central locking problem 53 reg tddi

Postby cdel2005 » Wed Dec 06, 2017 9:21 pm

I had to break open the plastic braid and inside there was one broken wire (yello&green) which is the wire that locks the rear dont ask me how this has occured?
is it best to solder back together or use a connector block?

Image

Image
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Re: Central locking problem 53 reg tddi

Postby karma846 » Wed Dec 06, 2017 10:31 pm

I would always solder and heatshrink over top to protect. There are a few others there that have broken insulation. I'd do those too.

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Re: Central locking problem 53 reg tddi

Postby Brains_transit » Thu Dec 07, 2017 2:07 am

It happens over time with opening and closing the door and the wires get pushed and pulled and crack the insulation then finally snap the copper wire
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