The Electrics, Dashboard and Heater 25 Water temperature warning
46 Citroen XM Internet Reference Version 1.0
3/3/99
25 Water temperature warning
Temperature of water-cool of the engine is always about 80 90 degreesC, in the middle of the scale of
the thermometer in the right of the dashboard, but sometime I hear a click of a relay under the
dashboard and the yellow or red light of "Temperature too high" is lighting. I think the problem is in the
water temperature and level box, but I don’t know where is it.
The water level sensor is in the expansion barrel near the computer. the bitron module which handles
the ventilators is under the glovebox near the heater motor.
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Bitron
The bitron module controls the ventilators even when the engine is shut off. When the water temp. is
very hot after driving the vents. may work a few minutes after you shut off the engine. You should be able
to see the module when you look under the glove box near the heater motor. It is a little black box (10cm
x 15cm x 5cm). The word Bitron is written on it.
Sensors
Does someone know where the water temperature sensor is ?
It is situated behind the thermostate on the right side of the cilinder head. There are 3 sensors , one for
water temp. indication, one for water too hot warning, and one for giving watertemp. signals to the
computer. Each has a different color. I don’t know which color you should pick.
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