Scenic '05 1.9 Dci - battery drain and key problem - Page 3 - Renault Forums :: Independent Renault forum

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post #11 of 21 (permalink) Old 13th October 2005
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I would take it back to the dealer and tell them what the AA man said re-current draw. It could be that the battery is faulty and not holding charge. The dealer will have a tool that can test the battery.

As for the 300 mA that is excessive with all loads off and ECU 's asleep. Some ECU 's ie Injection can take 20-30 minutes to go into power saving mode. This is why somtimes you can hear the cooling fans running after the car has stopped and been locked.

The fact that the car wont start after 4 days shows that there is a fault. Even if it is just that the battery needs a good charge.
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post #12 of 21 (permalink) Old 15th December 2005
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I hope this isn't still a problem for you, if it is I have the answer.
The two faults are connected.
The handsfree system on your car staying active and preventing the cars UCH from going to sleep. This is either caused by one of the door handle buttons sticking or one the door optical sensors being defective. When the car is hooked upto "clip" diagnostics, it will show (in the status screen) that one or more of the cars doors are remaining "active", while ever this is the case, the UCH will monitor it. UCH 's in theory don't take that much power, but I ahve seen this enough times to know that this is the cause.
As for not starting with clutch pedal depressed, this only effects MeganeII noramlly and is caused by the clutch pedal travel sensor wiring fracturing. Quick and easy to fix and any dealer by now should be able to fix both these problems with no problem.
God Bless The French!!
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post #13 of 21 (permalink) Old 18th December 2005
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We had similar problem on battery drain with our Grand Scenic. Initially Mrs W noticed it as the main cooling fan kept on running on after along journey in the summer with air con on.
The fan did not switch off, hence flat battery!
Local garage in Canterbury was absolutely no help, and replaced something, and a few weeks later same problem.
It was taken to Dover garage who were much better (same dealership tho), and they managed to fix it (sadly Mrs W did not ask what cured it) but had 3 months trouble free and she has tested the ac to see if it comes back, but so far so good…
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post #14 of 21 (permalink) Old 18th December 2005
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battery drain and key problem

I had a similair problem with my Renault Laguna, see 'Dead Laguna11 - battery perfect'. After many trials and tribulations the fault was tracked down to a problem with a sensor and the central locking system. I first noticed the problem, when at night, with the car locked, the interior lights would come on and the go off again. My dealer could not fault the car, but it meant that if the car stood for a couple of days the battery would drain to empty. It took three years of constant problem and visits to the dealer before the problem was sorted. By which time I had realised that the car was locking and unlocking itself throughout the day and night.

I was lucky because my dealer was fair minded and despite being out of warranty, they recognised the problem as persisting since new and Renault stumped up the cost.

Get your dealer to strip down the drivers door and really check that central locking.

Good luck

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post #15 of 21 (permalink) Old 18th December 2005 Thread Starter
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Thanks all for responses.

We've been fairly incident-free over the last month with no further battery drains and only one lock/unlock funny. We were going to monitor this for a while longer before we go to a different dealer to get things checked over. While it's comforting that we seem to be trouble-free I have a nagging feeling that the problem hasn't completely gone away.

Your suggestion about the door sensor looks interesting as something we have experienced a few times is that when placing the hand in the door handle the lock hasn't clicked unlock, but removing and replacing the hand has done the trick. Again, we are currently monitoring this to see if it happens on any doors other than the driver's. Again, this glitch seems to be fairly rare and can't be reproduced at will.

Thanks for the pointers.

Currently in abel&mabel's garage:
2005 Grand Scenic
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battery , dci , drain , key , problem , scenic

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