Indicator problem

Martin Beevers · Post by **Martin Beevers** » 19 Apr 2010, 16:24

Hi all,
I have searched this fault and found topics, but not managed to find a cause or remedy.

My O/S indicators stay on occasionally, not flashing just on constantly. I have read that it maybe the alarm ECU or the hazard switch that might be the culprit.

I take the bulbs out so as not to drain the battery (apart from the dash bulb. LOL.) and the fault corrects itself when I next look. There doesn't seem to be a trigger, it sometimes happens when I'm driving, when I unlock the car with remote or when it's parked.
It doesn't set off the alarm.

Has anyone had this fault? If so, did you find the cause?

spider · Post by **spider** » 19 Apr 2010, 16:43

I can tell you 306's used to do this, (typically the offside indicators use to just stay on not flashing just 'on')

The cause was 99% of the time the alarm ECU which on a 306 fitted under the drivers seat (seat out / lift carpet for access)

Although where it would be on your Xantia I am not sure.

Hope that's a little bit of help if nothing else anyway.

citroenxm · Post by **citroenxm** » 19 Apr 2010, 20:55

Yup It IS the Alarm ECU in Xantias aswell...

The unit - its located under the PASSENGER seat, under the carpet!!

So seat out, edge of carpet up...

Ive had two cars do this now..

Paul

Martin Beevers · Post by **Martin Beevers** » 19 Apr 2010, 23:34

What a pain in the a*#e...

This alarm ECU has been on a couple of months, if that. My original 1 was destroyed by the water issues I've had with this car...

What years are compatible with my 95?

citroenxm · Post by **citroenxm** » 20 Apr 2010, 10:00

Martin,

Was that the I supplied you???

If so, I shall send another FOC to you!.. All of them from 1993 to 1997 are the same format and do the same job...

Paul

Martin Beevers · Post by **Martin Beevers** » 20 Apr 2010, 11:20

Hi Paul,
No mate, it was the central locking ECU, which is working fine.

If you have 1 spare I would happily relieve you of it.

You have PM.