Mercedes-Benz S-class W220 facelift (2002-2005) nca Wiring diagrams

87 VKPS VAL 1 VAL 2 30 VALV AIR COMPRESSOR RELAY AIR-MATIC W/ ADS CONTROL MODULE (IN LEFT FRONT FUSE/RELAY BOX) AVRV NVRV NV AVRM NVLM SPS BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/PNK WIRE BLK/RED WIRE BLK/YEL WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN HI CAN LO CENTRAL RESERVOIR CHARGING VALVE COMPUTER DATA LINES SYSTEM DATALINK CONNECTOR (AT UPPER LEFT FOOTWELL) DIAG FUSE 3 FUSE 32 FUSE 9 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/RED WIRE GRY/VIO WIRE GRY/YEL WIRE HAR 1 HAR 2 HAR V AHRM HAL 2 AHRS HAL 1 AHRV HAL V HOT AT ALL TIMES LEFT LEFT FRONT AXLE DAMPER VALVE ASSEMBLY (AT LEFT FRONT WHEELHOUSE) LEFT FRONT FUSE/RELAY MODULE (LEFT REAR OF ENGINE COMPT) LEFT REAR AXLE DAMPER VALVE UNIT (LEFT REAR WHEELHOUSE) LEVELING VALVES NCA WIRE NHRM NHRS 1 NHRS 2 NHRV NSP NHR AVLV NVLV NVL AVLM NVRM SPV NVR NVLS 2 NHL NVRS 2 VAR 2 NVLS 1 RKPS NVRS 1 REAR AXLE LEVEL SENSOR (UPPER REAR CENTER OF VEHICLE) RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT RIGHT FRONT AXLE DAMPER VALVE ASSEMBLY (AT RIGHT FRONT WHEELHOUSE) RIGHT FRONT FUSE/RELAY MODULE (RIGHT REAR OF ENGINE COMPT) RIGHT FRONT LEVEL SENSOR (RIGHT FRONT WHEEL HOUSE) RIGHT REAR BODY LATERAL ACCELERATION SENSOR (RIGHT SIDE OF TRUNK) RIGHT REAR RIGHT FRONT LEFT FRONT LEFT REAR RKPV AVRS SAMF SPM TERMINAL BLOCK, FUSE BLOCK UNIT) VAR 1 AVLS 31 VARV VKPV WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/PNK WIRE WHT/YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE YEL/VIO WIRE

1 2 2 CAN-B L CAN-B H 10 4 HORN GND 10 9 3 2 CAN H CAN L CAN H CAN L BLK WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM FANFARE HORNS FANFARE RELAY FUSE 28 GRN WIRE GRN/WHT WIRE HORN/ AIRBAG CLOCK SPRING CONTACT HOT AT ALL TIMES HOT IN RUN OR START LEFT FANFARE HORN SWITCH LEFT MULTI-FUNCTION STEERING WHEEL PUSHBUTTON GROUP NCA WIRE RED WIRE RIGHT FANFARE HORN SWITCH RIGHT FRONT FUSE, RELAY BOX (RIGHT REAR OF ENGINE COMPT) RIGHT FRONT SAM CONTROL MODULE (IN RIGHT FRONT FUSE/ RELAY BOX) RIGHT MULTI-FUNCTION STEERING WHEEL PUSHBUTTON GROUP STEERING COLUMN MODULE WHT WIRE YEL WIRE

1 2 2 CAN-B L CAN-B H 1 2 3 4 3 (-) AL (-) AL (+) (+) 12 13 17 18 CAN-C L CAN-C H CAN-B L CAN-B H 3 4 1 CAN-B L CAN-B H 30 R FAN 31 E/A BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/YEL WIRE CAN-B L CAN-B H 31 30 RK PL FL COMPUTER DATA LINES SYSTEM DRIVER SIDE POWER WINDOW SWITCH GROUP ELECTRONIC CENTER AIR OUTLET CONTROL MODULE (CENTER OF DASH) EXTERIOR LAMP SWITCH GLOVE COMPARTMENT LOCK ILLUMINATION GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/RED WIRE GRY/VIO WIRE INSTRUMENT CLUSTER INSTRUMENT ILLUMINATION INSTRUMENT/SEARCHLAMP ILLUMINATION BRIGHTNESS CONTROL REGULATOR LEFT AIR OUTLET ILLUMINATION LEFT FRONT DOOR CONTROL MODULE (IN LEFT FRONT DOOR) LEFT FRONT DOOR ENTRANCE, EXIT LAMP LEFT FRONT DOOR HANDLE ILLUMINATION LEFT FRONT DOOR LOCK SWITCH (CF) LEFT FRONT FUSE/RELAY MODULE LEFT FRONT SAM CONTROL MODULE (IN LEFT FRONT FUSE/RELAY BOX) LOCK NCA WIRE NSL REAR AIR OUTLET ILLUMINATION RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RIGHT AIR OUTLET ILLUMINATION SRA SRA 30 NSL NS PR NS PR TELE AID SYSTEM TERMINAL UNLOCK WHT WIRE

1 2 3 4 3 (-) AL (-) AL (+) (+) 1 2 7 5 2 CAN-B L CAN-B H 1 3 7 CAN-B L CAN-B H 15 31 DDK 15 3 4 1 CAN-B L CAN-B H 3 4 7 8 CAN-B L CAN-B H CAN-C H CAN-C L BLK/GRN WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN-B H CAN-B L CIGAR LIGHTER COMPUTER DATA LINES SYSTEM DDA ELECTRONIC IGNITION- STARTER SWITCH (EIS) CONTROL MODULE ELECTRONIC SELECTOR LEVER CONTROL MODULE (AT BASE OF SELECTOR LEVER ASSEMBLY) GLOVE COMPARTMENT ILLUMINATION (W/ SWITCH) GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/VIO WIRE GRY/YEL WIRE LEFT FRONT FOOTWELL ILLUMINATION LAMP LEFT REAR FOOTWELL ILLUMINATION LAMP LEFT REAR MULTI-CONTOUR BACKREST SWITCH NCA WIRE PASSENGER-SIDE POWER WINDOW SWITCH R FAN 30 30 REAR MULTI- CONTOUR BACKREST CONTROL MODULE (BETWEEN REAR SEATS) REAR SEAT CONTROL MODULE (UNDER RIGHT REAR SEAT) RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR CONTROL MODULE (IN RIGHT FRONT DOOR) RIGHT FRONT DOOR ENTRANCE, EXIT LAMP RIGHT FRONT DOOR HANDLE ILLUMINATION RIGHT FRONT FOOTWELL ILLUMINATION LAMP RIGHT FRONT FUSE/RELAY MODULE RIGHT FRONT SAM CONTROL MODULE (IN RIGHT FUSE/ RELAY BOX) RIGHT REAR FOOTWELL ILLUMINATION LAMP RIGHT REAR MULTI-CONTOUR BACKREST SWITCH STORAGE COMPARTMENT ILLUMINATION TERMINAL TRANSMISSION MODE SWITCH 2

8 7 1 3 2 4 PNK WIRE AUTOMATIC DIMMING MIRROR BLK WIRE BLK/RED WIRE BLU WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM ELECTRICALLY ADJUSTABLE, HEATED DRIVER-SIDE OUTSIDE REARVIEW MIRROR ELECTRICALLY ADJUSTABLE, HEATED RIGHT OUTSIDE REARVIEW MIRROR FOLDING MIRROR MOTOR FUSE 13 GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT FOOTWELL) LEFT FRONT FUSE/RELAY MODULE (LEFT REAR OF ENGINE COMPT) MIRROR ADJUSTMENT MOTOR (IN/OUT) MIRROR ADJUSTMENT MOTOR (UP/DOWN) MIRROR HEATER NCA WIRE OUTSIDE REARVIEW MIRROR SWITCH PNK WIRE RED WIRE RED/BLK WIRE RIGHT FRONT DOOR CONTROL MODULE (IN RIGHT FRONT DOOR) VIO WIRE WHT WIRE YEL WIRE YEL/GRN WIRE YEL/WHT WIRE

3 4 5 6 7 8 MUTE 30 ANT ON AM/FM ANTENNA SPLITTER BLK WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BRN/RED WIRE CAN-B L CAN-B H WAKE UP CC NF L AUX NF CC NF R CC NF GND COMAND OPERATING, DISPLAY, CONTROL MODULE (CENTER CONSOLE) COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR (AT UPPER LEFT FOOTWELL) FUSE 22 FUSE 60 GPS GPS ROOF ANTENNA GRY/YEL WIRE HOT AT ALL TIMES K-DIAG LEFT FRONT FUSE/RELAY MODULE (LEFT REAR OF ENGINE COMPT) NCA WIRE ORG/ WIRE OVERHEAD CONTROL PANEL CONTROL MODULE (FRONT CENTER OF ROOF) RCL FREQUENCY IN ANT ON 30 DATA ZV 31 REAR FUSE/RELAY MODULE (UNDER RIGHT REAR SEAT) REAR WINDOW ANTENNA AMPLIFIER (CENTER REAR OF ROOF) RED WIRE RED/YEL WIRE SOUND SYSTEMS TELE AID CONTROL MODULE WALKMAN SEPARATION CONNECTOR (IF EQUIPPED) YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM FUSE 64 FUSE 66 GRN WIRE GRY WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT FRONT ESA CONTROL MODULE (UNDER LEFT FRONT SEAT) LEFT FRONT SEAT BELT BUCKLE MICROSWITCH (IN LEFT FRONT SEAT BELT BUCKLE) LEFT FRONT SEAT BELT COMFORT FEATURE SOLENOID (BASE OF LEFT "B" PILLAR) LEFT REAR SEAT BELT COMFORT FEATURE SOLENOID (BASE OF RIGHT "B" PILLAR) NCA WIRE REAR FUSE/RELAY MODULE (UNDER RIGHT REAR SEAT) REAR SAM CONTROL MODULE (BELOW RIGHT REAR SEAT) RED WIRE RED/BRN WIRE RED/VIO WIRE RIGHT FRONT SEAT ADJUSTMENT CONTROL MODULE (UNDER RIGHT FRONT SEAT) RIGHT FRONT SEAT BELT BUCKLE MICROSWITCH (IN RIGHT FRONT SEAT BELT BUCKLE) RIGHT FRONT SEAT BELT COMFORT FEATURE SOLENOID (BASE OF RIGHT "B" PILLAR) RIGHT REAR SEAT BELT COMFORT FEATURE SOLENOID (BASE OF LEFT "B" PILLAR) VIO WIRE WHT WIRE

1 11 8 5 20 CAN-B L CAN-B H 1 2 CAN B L CAN B H 17 18 CAN B L CAN B H 3 4 1 CAN-B L CAN-B H 3 4 7 8 CAN-B L CAN-B H CAN-B H CAN-B L 9 10 3 2 CAN-C L CAN-C H CAN-B H CAN-B L BLK WIRE BLU WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM ELECTRIC STEERING COLUMN MOTOR GROUP ELECTRONIC IGNITION-STARTER SWITCH CONTROL MODULE (LEFT SIDE OF DASH) ERGONOMY SWITCH ESC IN/OUT ASSIST SWITCH GROUP FUSE 3 FUSE 4 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HEIGHT ADJUSTMENT MOTOR 4 3 HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT FRONT DOOR CONTROL MODULE (IN DOOR) LEFT FRONT DOOR SWITCH LEFT FRONT FUSE/RELAY MODULE (LEFT REAR OF ENGINE COMPT) LEFT FRONT SAM CONTROL MODULE LF DOOR RF DOOR LONGITUDINAL ADJUSTMENT MOTOR MEMORY SWITCH/ MEMORY 1/ MEMORY 2/ MULTIFUNCTION DISPLAY NCA WIRE REAR SAM CONTROL MODULE (BELOW RIGHT REAR SEAT) RED WIRE RIGHT FRONT DOOR SWITCH STEERING COLUMN DRIVING POSITION SWITCH STEERING COLUMN HEIGHT ADJUSTMENT RELAY 1 STEERING COLUMN HEIGHT ADJUSTMENT RELAY 2 STEERING COLUMN LONGITUDINAL ADJUSTMENT RELAY 1 STEERING COLUMN LONGITUDINAL ADJUSTMENT RELAY 2 WHT WIRE

ACCELERATOR PEDAL SENSOR (ABOVE PEDAL ASSEMBLY) ACTIVATED CHARCOAL FILTER SHUTOFF VALVE APS VLV VIMS VLV BLK/BRN WIRE BLU WIRE BLU/GRY WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM DATA LINK CONNECTOR (UPPER LEFT FOOTWELL) DIAG EGR ENGINE CONTROL MODULE (ME-SFI) (RIGHT REAR OF ENGINE COMPT) FTP - CAN L FTP SIG P- P+ FUEL INJECTORS FUEL PUMP ACF VLV AIR PUMP FAN FUEL TANK PRESSURE SENSOR (CENTER FRONT OF TRUNK) FUSE 1 FUSE 3 GEN GENERATOR GRN WIRE GRN/BLK WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/PNK WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES INJ 2 INJ 4 INJ 8 INJ 3 INJ 6 INJ 7 NCA WIRE P- SIG SIG RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE SHIFTING INDUCTION PIPE SWITCHOVER VALVE TERMINAL BLOCK, FUSE BOX (CIRCUIT TERMINAL BLOCK, FUSE BOX (CIRCUIT 30, 61) (RIGHT SIDE OF TRUNK) TNA VIO/GRN WIRE VIO/YEL WIRE WHT/BLK WIRE WHT/BLU WIRE YEL/BLU WIRE YEL/GRN WIRE

AIR PUMP (TOP FRONT SIDE OF ENGINE) AIR PUMP RELAY BLK WIRE BLK/BRN WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/WHT WIRE COOLING FANS SYSTEM ENGINE ELECTRONICS/ CHASSIS RELAY FUEL PUMP RELAY FUSE 29 FUSE 30 FUSE 31 FUSE 49 FUSE 52 GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT IN RUN OR START NCA WIRE PURGE CONTROL VALVE (LEFT REAR OF ENGINE COMPT) REAR FUSE/RELAY MODULE (UNDER RIGHT REAR SEAT) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT FUSE/ RELAY MODULE (RIGHT REAR OF ENGINE COMPT) RIGHT FRONT SAM CONTROL MODULE THROTTLE VALVE ACTUATOR (REAR TOP CENTER OF ENGINE) VIO WIRE WHT WIRE WHT/BLU WIRE YEL WIRE YEL/BLU WIRE