WARNING: This page is about a different car, the 2001 Volkswagen EuroVan. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Anti-lock Brake Circuits, Early Production
Fig 2: Anti-lock Brake Circuits, Late Production (1 of 2)
Fig 3: Anti-lock Brake Circuits, Late Production (2 of 2)