It tells the engine management system the cam position in operation which set up engine timing and speed data for the ECM.
Chek
It is behind and underneath the cam shaft gear.
Yes it can. It is an essential item in your engines timing system.
The 2007 Volkswagen Passat has double overhead cam (DOHC).
The 2003 Volkswagen Golf has single overhead cam (SOHC).
The 2006 Volkswagen Touareg has double overhead cam (DOHC).
The 2005 Volkswagen Jetta has single overhead cam (SOHC).
The 2010 Volkswagen Eos has double overhead cam (DOHC).
The 2014 Volkswagen GTI has double overhead cam (DOHC).
The 2001 Volkswagen Passat has double overhead cam (DOHC).
The 2001 Volkswagen GTI has double overhead cam (DOHC).
The 2007 Volkswagen Jetta has double overhead cam (DOHC).