List of elements for 1.8L Turbo, Manual A/C Wiring Diagram for Volkswagen GTI 2006: (1.9l) (2.8l) A/c clutch; A/c switch; Ambient temperature switch (on left side of plenum, at base of windshield) Coolant fan control (fc) switch (on bottom left rear of radiator) Coolant fan control module (at left front side of engine compartment) Diesel. Hello everyone. I been looking for a PDF file or some sort of link that shows me the GTI engine diagram with the parts taken apart and explained. I had one for the Golf TDI, but I no longer need it since I purchased a GTI. Anything will be useful and thank you. :beer: