Sometime in the murky past of my 200sx something has happened to the ABS system and it's not working. All the bits appear to be present (although I haven't taken out the back panels to look for the Control Unit yet), so, assuming that it's not going to be too big or to expensive to get it working again should I bother? I have never owned a car with ABS before so I don't know if I'm missing anything or not and I have no problems with the braking of the car as it is at the moment.
What would you do?