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fabia x reg - electronical problem please help

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hi everyone,

this is what has happened so far..

well i had i power leak for a week (the car worked fine just the battery would die over night) and tried to find out where it came from so i tried taking all the fuses of and doing that way.

i took all the fuses of and put them back but fuse 43 on the box which the map is saying is the central control unit sparked.

later on (and now continually) the hazard lights (and this mini hazard light located on the rev counter) keeps flashing when i turn the ignition on (but not start the car). it keeps going on with out stopping (the flashing and the noise of indicating).

when i turn the car on the hazard light indicator on the dash board and the mini one on the rev counter flash for about 5-10 seconds then stops but then start flashing again but not continually.

when i drive the car the hand break warning sound comes on but the hand break is not on.

however it does not do this flashing if i take the fuse of - but the hazard lights (indicators) stop doing that.

also for some unknown reason (to me) when i close the front passenger door the flashing happens and when i open the door it also happen (fuse 43 in) there are no side lights on the door.

any ideas? please i will try anything

Fuse 43 feeds the OPSCU (Onboard power supply control unit). This unit performs numerous functions, requires a permanent feed and doesn't like it's power interrupted. I would expect it to draw a small current until the car is locked up and a few minutes have elapsed. Low battery voltage can cause all sorts of crazy things to happen.

If you disconnect the battery overnight, will it hold it's charge?

After connecting an ammeter and locking the car, what current does it draw after 10 minutes?

Check that the boot light, glovebox light and ashtray lights go out when they should.

  • Author

hi

now it does hold the batter but before it did not. took the car to a mechanic who charged me £40 to ix it. took him 2 mins. but now my airbag light is stays on.

i think its cos i took connection to the airbag off to see if it was its fault

Ps- thank you for your reply

Edited by izzy001

...my airbag light is stays on.

i think its cos i took connection to the airbag off to see if it was its fault...

In that case you need to ensure that the connection is good and have it reset by a diagnostic tool.

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