Bet u cant work this one out?!?!

baffled · Nov 18, 2010

Hello all, please help! I drove my 1997 2.5 diesel (BMW engine) Range rover last night and all was well. I started her this morning and found the following were no longer working: Sunroof, electric windows, wipers and washers, stereo, heating panel and heated windows. It literally happened overnight!

The lights indicators and horn still work and she drives and runs fine but that's about it. The above mentioned are not playing. I looked at fuses and relays but cant work out what is common between them all. I have a spare V8 scrapper for parts if the bits I need fit. Thank you for any help and advise you may leave. I am pretty desperate for any advise as I need the car for the kids this weekend and if its raining Im stuffed.. Thanks again...

......Regards..... Ian...............

damlimey · Nov 18, 2010

Have you tried disconnecting the battery and counting to 5? Then re-connect. Make the reconnection firm so there's no arcing. You'll have to reset the windows but this would be my first action.

All the best,
D

baffled · Nov 18, 2010

I haven't tried that. If I do will I have to reset the immobilizer and key etc? Thank you.

damlimey · Nov 18, 2010

I've done it on my 2.5 DSE and only had to reset the windows. That involves winding them up and down once or twice that's all. I'm not suggesting a reset will definitely clear it but it's a start.

D

SpudH · Nov 18, 2010

When you do it, touch the two terminal leads together to earth any static that may have built up in the becm.

Re the EKA code, its always safer to have it before you disconnect the battery but normally you will not need to do anything but reset all the windows and the radio code.

baffled · Nov 18, 2010

I will give it a go in the morning. Fingers crossed. Thank you for your advise. And I welcome anymore.

baffled · Nov 18, 2010

REALLY? The live and he pos. Sounds scary but I will try it as well. Thanks...

damlimey · Nov 18, 2010

Earthing the terminal leads is a good tip, thanks for that and yeah, get the EKA code out, in fact, get it tattooed to the back of your hand for quick reference in the future!

D

SpudH · Nov 18, 2010

baffled said:
REALLY? The live and he pos. Sounds scary but I will try it as well. Thanks...

Obviously while they are both disconnected from the battery

baffled · Nov 18, 2010

Lol, yes I got that bit but I know what you mean ;-)

baffled · Nov 21, 2010

I tried that but unfortunately it dint work. I was driving the car yesterday for most of the day. The last 5 miles of my trip it all came back to life. So I happily locked the car last night but this morning it was not working again. Any other ideas please? Really stuck now. I'm scared its the computer. Help!!!! Thank you..........

sandyt · Nov 21, 2010

Check your fuse box under the bonnet smell it to see if there is any burning they do break down esp on relay r7 can then send odd messages to becm also if the battery is low again it can send out very strange messages

jay2578 · Nov 21, 2010

Is the power supply to all systems the same? i.e are the lights etc on a different feed to the systems that have failed? Just a thought

baffled · Nov 21, 2010

Thank you. Relay 7? Is that the one common with the windows, wipers heater etc? I cant see or understand the connection between them all. I'm a mechanic myself but technical electric is vodoo to me. I noticed the ciggy lighter doesn't work either but the cruise control works and the buttons in line with it work too.

baffled · Nov 21, 2010

Good point, I am not so good with electrics so I would need the take it to the dealer for anything more technical than a relay or fuse.

Bet u cant work this one out?!?!

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