BMW 7 series E38 facelift (1998-2001) heating and a/c control module Wiring diagrams

A/C COMPRESSOR A/C SYSTEM (INDEPENDENT HEATING CIRCUIT) (IF EQUIPPED) BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/ORG WIRE BRN/YEL WIRE DASH VENT MIXING FLAP MOTOR DEFOGGER SYSTEM WIPER/WASHER SYSTEM DEFROSTER FLAP MOTOR (LEFT SIDE OF RIGHT FOOTWELL) DUAL TEMPERATURE SENSOR ENGINE CONTROL MODULE (DME) ENGINE CONTROL MODULE I (DME) FUSE FUSE BOX (RIGHT SIDE OF LUGGAGE COMPT) FUSE FUSE FUSE GRN/VIO WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/RED WIRE HEATING AND A/C CONTROL MODULE HIGH PRESSURE SWITCH (RIGHT FRONT ENGINE COMPT) HOT AT ALL TIMES HOT IN RUN OR START INTERIOR LIGHTS SYSTEM COMPUTER DATA LINES SYSTEM RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN/YEL WIRE RED/VIO/YEL WIRE RED/YEL WIRE RIGHT FOOTWELL FLAP MOTOR RIGHT VENTILATION FLAP MOTOR WHT/BLK WIRE WHT/BLU WIRE WHT/RED/YEL WIRE YEL WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE YEL/VIO WIRE

ANTI-THEFT SYSTEM AUTOMATIC AIR RECIRCULATION SENSOR BLK WIRE BLU WIRE BLU/GRN WIRE BRN WIRE BRN/BLK WIRE BRN/VIO WIRE EVAPORATOR TEMPERATURE SENSOR GRN WIRE GRN/YEL WIRE GRY WIRE HEATING AND A/C CONTROL MODULE LEFT HEAT EXCHANGER TEMPERATURE SENSOR LEFT VENTILATION SENSOR MIXING ACTUATOR NCA WIRE REAR MIXING ACTUATOR REAR VENTILATION SWITCH RED WIRE RED/BRN WIRE RED/GRN WIRE RED/GRN/YEL WIRE RED/YEL WIRE RIGHT HEAT EXCHANGER TEMPERATURE SENSOR RIGHT VENTILATION SENSOR SOLAR SENSOR WHT WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE YEL/VIO WIRE

BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLU/GRY WIRE BRN WIRE BRN/ORG WIRE COOLANT OUTLET TEMPERATURE SENSOR DUAL TEMPERATURE SENSOR ELECTRIC FAN ENGINE COMPT) ENGINE CONTROL MODULE (DME) ENGINE CONTROL MODULE I (DME) FUSE GRN/YEL WIRE HEATING AND A/C CONTROL MODULE HOT AT ALL TIMES HOT IN RUN OR START FUSE BOX (RIGHT SIDE OF LUGGAGE COMPT) FUSE RED/BRN WIRE RIGHT FRONT YEL/GRN WIRE YEL/RED WIRE

1999 LATE PROD, 2000,, 2001 1999 EARLY PROD 25 12 P-BUS K-BUS 3 2 CAN L CAN H 3 8 9 TD CAN H CAN L 8 1 7 I-BUS TXD K-BUS AMPLIFIER BLK WIRE BLU/RED WIRE CD CHANGER COIL SPRING DSP SWITCH DWS CONTROL UNIT (1999 LATE PROD, 2000, 2001) ELECTRONIC BATTERY CONNECTING SWITCH CONTROL MOUDLE ELECTRONIC DRIVE-AWAY PROTECTION CONTROL MODULE GENERAL MODULE HEADLIGHT WIDENING CONTROL MODULE HEATING AND A/C CONTROL MODULE I-BUS INTEGRATED INSTRUMENT CLUSTER CONTROL MODULE INTERFACE K- BUS LIGHT MODULE MULTI-INFORMATION DISPLAY ON BOARD MONITOR PARK DISTANCE CONTROL MODULE RADIO RADIO CLOCK RECEIVER RAIN SENSOR RDC CONTROL MODULE REAR COMPARTMENT HEATER/AIR CONDITIONER REAR LID MODULE REAR MULTI- INFORMATION DISPLAY SUPPLEMENTAL RESTRAINTS SYSTEM CONTROL MODULE (1999 LATE PROD, 2000, 2001) TRANSCEIVER/ CHARGING ELECTRONICS VOICE INPUT WHT/GRY/YEL WIRE WHT/RED/YEL WIRE WHT/VIO WIRE YEL/BLK WIRE YEL/BRN WIRE

BLK/GRN WIRE BRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM FRONT DEFOGGER FRONT DEFOGGER/ WASHER JETS RELAY FUSE GRN/YEL WIRE HEATING AND A/C CONTROL MODULE HOT AT ALL TIMES FUSE BOX (RIGHT SIDE OF LUGGAGE COMPT) FUSE HOT IN RUN OR START RED/GRN/YEL WIRE WHT/RED/YEL WIRE WIPER/WASHER SYSTEM

BRN WIRE HEATING AND A/C CONTROL MODULE LIGHT MODULE OBDII PLUG PASSENGER'S ACTIVE SEAT CONTROL UNIT PASSENGER'S DOOR ACCESS LIGHT PASSENGER'S DOOR JAMB SWITCH PASSENGER'S DOOR MODULE PASSENGER'S MEMORY SWITCH PASSENGER'S POWER WINDOW SWITCH PASSENGER'S SEAT ADJUSTMENT SWITCH PASSENGER'S SEAT CUSHION TILT MOTOR PASSENGER'S SEAT HEATER PASSENGER'S SEAT HEIGHT MOTOR PASSENGER'S SEAT LUMBAR SUPPORT SWITCH PASSENGER'S SEAT LUMBAR SUPPORT VALVE BLOCK PASSENGER'S SEAT MEMORY CONTROL MODULE PASSENGER'S SEAT MOVEMENT MOTOR PASSENGER'S SEATBACK HEAD ADJUSTMENT SWITCH PASSENGER'S SEATBACK HEAD RECLINER MOTOR PASSENGER'S SEAT HEADREST MOTOR PASSENGER'S SEATBACK HEATER PASSENGER'S SEATBACK RECLINER MOTOR PASSENGER'S THIGH SUPPORT MOTOR PASSENGER'S SIDE PRESSURE- SENSITIVE FINGER GUARD PASSENGER'S THIGH SUPPORT SWITCH REAR COMPT AIR CONDITIONING OUTPUT STAGE REAR COMPT BLOWER MOTOR REAR COMPT BLOWER CONTROL MODULE REAR LID MOTOR RELAY RIGHT "B" PILLAR LIGHT RIGHT ACCESSORY TABLE LIGHT RIGHT FRONT DOOR HANDLE LIGHT RIGHT FRONT DOOR OPENER LIGHTING RIGHT REAR ASHTRAY LIGHT RIGHT REAR DOOR HANDLE LIGHT REAR RIGHT DOOR JAMB SWITCH RIGHT REAR DOOR OPENER LIGHTING RIGHT REAR POWER WINDOW SWITCH RIGHT REAR ACCESS LIGHT RIGHT REAR WINDOW PRESSURE- SENSITIVE FINGER GUARD W/ MEMORY WITHOUT MEMORY

BRN WIRE BRN/BLK WIRE CLOSED -CIRCUIT CURRENT CUT-OFF RELAY COOLER BOX GENERAL MODULE GRY/BLK WIRE GRY/RED WIRE HEATING AND A/C CONTROL MODULE INTERIOR LIGHTS SYSTEMS (COURTESY LIGHTS CIRCUIT) TRUNK LID SWITCH MIXING ACTUATOR LIGHTS MULTI- INFOR- MATION DISPLAY REAR AREA FUSE ADJUSTER LIGHTS REAR COMPT BLOWER RELAY REAR LID PUSH BUTTON RED/YEL WIRE SWITCHING CENTER WHT/BRN WIRE

BLK/GRN WIRE BRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM FRONT DEFOGGER FRONT DEFOGGER/ WASHER JETS RELAY FUSE GRN/YEL WIRE HEATING AND A/C CONTROL MODULE HOT AT ALL TIMES FUSE BOX (RIGHT SIDE OF LUGGAGE COMPT) FUSE HOT IN RUN OR START LEFT WASHER JET HEATER RED/GRN/YEL WIRE RIGHT WASHER JET HEATER WHT/RED/YEL WIRE

ANTENNA AMPLIFIER BLU/BRN WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DIVERSITY FUSE GRN/YEL WIRE HEATING AND A/C CONTROL MODULE HOT AT ALL TIMES FUSE BOX (RIGHT SIDE OF LUGGAGE COMPT) FUSE HOT IN RUN OR START LEFT "C" PILLAR) NCA WIRE REAR DEFOGGER RELAY REAR WINDOW RED/BRN WIRE WHT/RED/YEL WIRE