Display Field No. 1
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.
Display will show a "1" if auxiliary heater control valve is open and water is circulating and a "0" if heater control valve is closed. If display is not as specified, check for open circuit in Black/Yellow wire to terminal No. 20 of to Climatronic Control Module (CCM) 28-pin harness connector "A". SeeWIRING DIAGRAMS .