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Author Topic: Rear power socket time delay  (Read 2279 times)

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Jimbob

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Rear power socket time delay
« on: 01 August 2010, 16:48:26 »
Discovered my rear fag lighter is permanently live.

iirc it should stay active for 10 mins after switch off..

Is this just a relay does this?

Anyone know what I need to replace to sort it?

Cheers
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Bent valve

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Re: Rear power socket time delay
« Reply #1 on: 01 August 2010, 16:51:42 »
And I thought I had problems...
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feeutfo

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Re: Rear power socket time delay
« Reply #2 on: 01 August 2010, 18:40:16 »
....if it is the relay and you swap it out can I have it? Would like mine to stat live (but only when something is plugged into it????)

To confirm, yes it should only stay live 10 mins, was playing with a phone charger yesterday, and there is an audible ping under dash when it goes off on mine.

Ps, with josh's post in mind, do the steering wheel controls stay lit as well?
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Jimbob

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Re: Rear power socket time delay
« Reply #3 on: 01 August 2010, 18:43:19 »
No worries Chris.

Yes, think it maybe K153 / K154 in the under wheel fuse board but im too tired to really study TIS tonight.
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Marks DTM Calib

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Re: Rear power socket time delay
« Reply #4 on: 01 August 2010, 18:44:44 »
I seem to recall its much longer than 10 mins

30-60 mins on some from memory.

It is under the steering wheel
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feeutfo

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Re: Rear power socket time delay
« Reply #5 on: 01 August 2010, 18:48:02 »
Quote
I seem to recall its much longer than 10 mins

30-60 mins on some from memory.

It is under the steering wheel
Hmmmm, would a n other relay give different times? An hour would be ideal I guess?
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Jimbob

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Re: Rear power socket time delay
« Reply #6 on: 01 August 2010, 18:48:29 »
Page 75 of the user handbook....

Accessory socket
The socket in the c entre console, i. e. the
cigarette lighter socket, can be used to
connect electrical accessories. There is a n
additional accessory socket 3 in the centre
console below the rear air vents. The
sockets are op erational when the ignition is
switched on. If the engine is off, the battery
will be discharged.
The accessory soc ket 3 in the centre
console under the rear air vents shuts off
automatically after approx. 15 minutes to
prevent the battery from becoming
discharged.
Do not damage the soc kets by using
unsuitable plugs.
The maximum power consumption of
electrical ac cessories m ust not exceed
120 watts.
Do not connect any current-delivering
acc essories, e.g. electrical charging
devices or batteries.
Electrical ac cessories connected to the
socket must comply with the
electromagnetic compatibility
requirements laid down in DIN VDE 40 839,
otherwise vehicle malfunctions may oc cur.
Depending on the vehicle equipment level,
the socket may be covered over.


so 15 mins assuming the relays are all the same. anyway, I plugged a coolbox in after the car had been stood overnight, and it whirred into life, So its definately knackered.

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Marks DTM Calib

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Re: Rear power socket time delay
« Reply #7 on: 01 August 2010, 18:53:30 »
Quote
Quote
I seem to recall its much longer than 10 mins

30-60 mins on some from memory.

It is under the steering wheel
Hmmmm, would a n other relay give different times? An hour would be ideal I guess?

Easy enough to change the delay I suspect by changing a resistor in the timer.

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feeutfo

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Re: Rear power socket time delay
« Reply #8 on: 01 August 2010, 19:03:28 »
Quote
Quote
Quote
I seem to recall its much longer than 10 mins

30-60 mins on some from memory.

It is under the steering wheel
Hmmmm, would a n other relay give different times? An hour would be ideal I guess?

Easy enough to change the delay I suspect by changing a resistor in the timer.

......only just found out about relays, near mind surgical procedures  :-/ ;D
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Marks DTM Calib

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Re: Rear power socket time delay
« Reply #9 on: 01 August 2010, 19:05:07 »
Heres the diagram



Note the larger timer chip which in turn switches a relay for the rear accessory socket

So if the glovebox and boot light are turning off after the correct period of time then its the relay at fault, if they are not its the timer device
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Jimbob

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Re: Rear power socket time delay
« Reply #10 on: 01 August 2010, 19:05:49 »
Can it run down the battery without anything plugged in?

I'd prob change it anyway regardless as I know Ill leave the coolbox on when I leave the car and come back to a flat battery
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Jimbob

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Re: Rear power socket time delay
« Reply #11 on: 01 August 2010, 19:07:00 »
not paid attention to the glovebox / boot light, how long should they stay on after locking the car?
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Marks DTM Calib

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Re: Rear power socket time delay
« Reply #12 on: 01 August 2010, 19:08:53 »
Quote
not paid attention to the glovebox / boot light, how long should they stay on after locking the car?

The same tlngth of time as the accessory socket.

If the relay is permanently energised then it will draw some current....not massive but some.

If the contacts are permanently welded together then no.

It could also be a door switch or similar which is causing the timer not to time out (it has inputs from door switches etc)
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Jimbob

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Re: Rear power socket time delay
« Reply #13 on: 01 August 2010, 19:10:42 »
being an estate, I would have noticed if the boot light stayed on for 10 minutes plus.....wonder if that body style is different?
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Marks DTM Calib

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Re: Rear power socket time delay
« Reply #14 on: 01 August 2010, 19:15:35 »
I very much doubt it
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