Audi A8 D2 facelift (1999-2002) Automatic a/c circuit

1 2 3 SOLID STATE 1/+ 2/- A/C CONTROL HEAD BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/YEL WIRE CENTER VENT ADJUSTING MOTOR/POSITION SENSOR FRESH AIR BLOWER (CENTER REAR OF ENGINE COMPT) FRESH AIR BLOWER CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/YEL WIRE INTERIOR MONITORING SENSORS CONTROL MODULE ON HVAC ASSEMBLY) FLAP MOTOR TEMPERATURE REGULATOR/POSITION SENSOR ON HVAC ASSEMBLY) LEFT FOOTWELL FLAP MOTOR/POSITION SENSOR ON HVAC ASSEMBLY) RIGHT FOOTWELL FLAP MOTOR/POSITION SENSOR RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE SOLID STATE VIO WIRE VIO/BLK WIRE WHT WIRE WHT/BLU WIRE WHT/VIO WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE

AIR QUALITY SENSOR BLK WIRE BLK/RED WIRE BLOWER FAN FUSE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE CENTRAL ELECTRIC PANEL COOLANT FAN COOLANT FAN CONTROL RELAY COOLANT FAN CONTROL SERIES RESISTANCE (LOWER LEFT FRONT OF ENGINE COMPT) COOLANT FAN CONTROL THERMAL SWITCH (LOWER RIGHT SIDE OF RADIATOR) COOLANT FAN FUSE FUSE FUSE PANEL (RIGHT FRONT FOOT- WELL) GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRY BRN/ WIRE HOT AT ALL TIMES HOT W/ LOAD REDUCTION RELAY ENERGIZED LEFT CENTER VENT SWITCH (BEHIND UPPER LEFT CENTER OF DASH, ON VENT) NCA WIRE RED WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE SECOND SPEED COOLANT FAN CONTROL RELAY (BELOW LEFT SIDE OF DASH) SOLAR CELLS SOLAR OPERATION CONTROL MODULE SOLID STATE THIRD SPEED COOLANT FAN CONTROL RELAY (BELOW LEFT SIDE OF DASH) VIO/RED WIRE WHT/RED WIRE YEL/GRN WIRE

-1 +2 A/C CLUTCH A/C CLUTCH RELAY (ON RIGHT FRONT FOOTWELL E-BOX RELAY PANEL) A/C CONTROL HEAD A/C PRESSURE SWITCH BLK WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CENTER VENT POSITION SENSOR (BEHIND UPPER CENTER OF DASH, ON HVAC ASSEMBLY) COMPUTER DATA LINES SYSTEM COOLANT PUMP (LEFT REAR OF ENGINE COMPT) DATA LINK CONNECTOR FUSE FUSE PANEL (RIGHT FRONT FOOTWELL) FUSE GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT IN RUN AND START INSTRUMENT CLUSTER COMBINATION PROCESSOR LEFT HEAT REGULATING VALVE NCA WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT CENTER VENT SWITCH (BEHIND UPPER RIGHT CENTER OF DASH, ON VENT) RIGHT HEAT REGULATING VALVE SOLID STATE VIO/RED WIRE WHT/BRN WIRE WHT/VIO WIRE WIPER/WASHER SYSTEM YEL/BLU WIRE YEL/RED WIRE