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Citroen Xantia ABS faults

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Citroen Xantia ABS faults
28 January 2009, 9:45 AM
Dave
Joined 28 Jan 2009
7 posts

Does anyone have any schematics/pin-outs of the Xantia ABS system.
Any fault-finding advice greatly appreciated.
I have 1999 model, and the ABS lamp came on this morning.
Discussion Archived

Citroen Xantia ABS faults
27 March 2009, 1:59 PM
Maurice
Joined 27 Mar 2009
1 posts

1st - if light comes on before you move then it can be an open circuit wheel sensor (check about 1100 ohms) or an ecu fault.
2nd - if light comes on when you reach about 20 mph, then it is most likely a loose, fouled or badly adjusted wheel sensor.
3rd - if you have an LX model without abs (no sensors or wires visible, no ecu on plate in front of hydraulic resevoir) then the engine ecu is at fault. Ignore it, remove bulb, or pay £25 ish to have reset.
Discussion Archived

Citroen Xantia ABS faults
27 March 2009, 2:12 PM
Dave
Joined 28 Jan 2009
7 posts

Thanks for the suggestion.
I found the problem the next day - the RHR sensor was open circuit. Like you said, they were all about 1100 ohms, except this one. When I got the rear disc off, I could see that the sensor housing was corroded and bulging.
New sensor fitted, the light went out after 50 metres driving.
Discussion Archived

Messages 1 to 3 of 3.

 

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