Display Field No. 2
WARNING: This page is about a different car, the 2003 Volkswagen EuroVan and 2002 Volkswagen EuroVan. However, it is still accessible from the selected car via links, so may be relevant.
If a "1" displays and auxiliary heater is not operating or a "0" displays and auxiliary heater is operating, check wiring and connections from CCM to ground, through blower motor relay.