Mercedes-Benz S-class W140 facelift (1994-1999) Front a/c circuit

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 DIAGN 30 15 DZA A/C COMPRESSOR A/C PUSHBUTTON CONTROL MODULE AKF+ AKF- CAN B CAN A BLK WIRE BLK/BLU WIRE BLK/GRY/BLU WIRE BLK/PNK WIRE BLK/RED WIRE BLK/YEL/GRN WIRE BLK/YEL/WHT WIRE BLOWER MOTOR BLU WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE BRN/PNK WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE FUSE 18 FUSE 20 FUSE 21 FUSE BOX (ON LEFT REAR CORNER OF ENGINE COMPARTMENT) GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/BLK/YEL WIRE GRY/GRN WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE GRY/YEL/VIO WIRE HEATER SUPPLY UNIT (IN LEFT FRONT OF ENGINE COMPARTMENT) HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START HS ON-OFF IN-CAR TEMPERATURE SENSOR (IN DOME LIGHT ASSEMBLY) INSTRUMENT CLUSTER SYSTEM LEFT DUOVALVE LEFT HEATER CORE TEMPERATURE SENSOR (BEHIND CENTER OF DASHBOARD, BELOW RADIO) MAXI FUSE 2 MD WIK MD LED+ MD LED- LED HS NCA WIRE PNK WIRE PSE CONTROL MODULE (BEHIND RIGHT SIDE OF REAR SEAT) REAR A/C PUSHBUTTON CONTROL MODULE RED WIRE RED/GRN WIRE RED/WHT WIRE REFRIGERANT PRESSURE SENSOR (IN LEFT FRONT CORNER OF ENGINE COMPARTMENT) REFRIGERANT TEMPERATURE SENSOR (IN LEFT FRONT CORNER OF ENGINE COMPARTMENT) RIGHT DUOVALVE RIGHT HEATER CORE TEMPERATURE SENSOR (BEHIND CENTER OF DASHBOARD, BELOW RADIO) SUN SENSOR (TOP CENTER OF DASH) TF TFL TFR SEN SENS VIO WIRE WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE

A/C SYSTEM BLOWER UNIT ACTIVATED CHARCOAL FILTER ACTUATOR AIR CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPARTMENT, ON FRAME RAIL) BLK/BLU WIRE BLK/PNK WIRE BLK/RED WIRE BLK/YEL/GRN WIRE BLK/YEL/WHT WIRE BLOWER MOTOR BLOWER REGULATOR BLU/WHT WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE COOL COOL INDICATOR LED EMISSIONS SENSOR (CENTER OF FIREWALL) GRY/BLU WIRE GRY/GRN WIRE GRY/RED WIRE HEADLAMP UNIT) HOT AT ALL TIMES ILLUMINATION LEFT AUXILIARY FAN (ON FRONT OF ENGINE COMPARTMENT) NCA WIRE NOTE: COMPONENTS MAY BE GROUNDED AT EITHER PNK/BLU WIRE RED WIRE RED/GRN WIRE RIGHT AUXILIARY FAN (ON FRONT OF ENGINE COMPARTMENT) SWITCHOVER VALVE BLOCK WARM WARM INDICATOR LED WARM/COOL AIR SWITCH (HEATING SYSTEMS) WHT/BLK WIRE WHT/RED WIRE YEL/BLU WIRE