85 Suspension computer Suspension
Citroen XM Internet Reference Version 1.0 125
3/3/99
85 Suspension computer
When investigating the suspension computer wiring on my XM I was surprised to see that there was a
connection from the courtesy light to the computer. Apparantly this is to provide an anti-jolt function !!
The idea is that when you open any door or tailgate with the ignition off, the suspension computer is
switched on, it then opens some sort of valve which allows the pressure in the suspension to equalise
as you load heavy passengers or luggage into the car. If it did not do this then there would be a big jolt
when you first turn on the ignition after loading something heavy.
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