A4 Cabriolet (B6 Platform) Discussion Discussion forum for the B6 Audi A4 Cabriolet

Roof pump gets no power.

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Old 06-25-2018, 02:12 AM
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Default Roof pump gets no power.

I have checked the roof motor power connection on the car and get nothing when the switch is pulled / [pushed at the pump end, tried with the boot lid closed too. Can't find anything sensible online about fuses or relays, I have tried a secondhand roof control module, the problem still exists. I have been to my local specialist and they cannot find any errors on their diagnostic except, no signal to the climate unit. Any ideas?
Old 08-08-2018, 05:02 AM
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I am currently working through the same issue-the top had been working and then became intermittent-following the advice of someone I installed a new/used top controller and now it only popps up in the front but the relays for the motor never energize. I did follow one thread and checked the climate control module under the drivers side footwell (its under the carpet in front of the drivers seat) there was some water but I still need to investigate further. If you ever resolved your issue please let me know I would appreciate some direction as right now the only thing I have to go on is an unfounded plausibility error. Thanks
Old 06-17-2019, 11:58 AM
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Hallo, I have the same problem, have you solved it? i have no supply to the main connecter at the relays in the trunk,
I belive it could be a fuse, but i do not know the location.
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