Display Field No. 3
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.
When high heater setting is selected in front, display should show a "1". When low heater setting is selected in front, display should show a "0". If display is not as specified, check wiring and connections from CCM to ground, through auxiliary coolant pump.