Witnesses of witnesses my goal 1.9 sd diesel was left

As they are friends, I tell you my problem to have if someone can give me any solution, I tell you that I have a 2000 model Dublin with 1.9 SD diesel engine, a few days ago I was traveling on the highway and little to reach my destination from one moment Witness, neither preheating, nor water, nor oil pressure, the two watches both the hateful and the clock of the hour is perfectly.
To all this the joint is also breathed, which surprises me since I did not fail or struggled or hit more than normal and the speed at which I went to the time of this was between 100 km/Hy 110km/h
I am looking for the electrical diagram, someone could give me a hand please ..