Mercedes-Benz S-class W140 facelift (1994-1999) wht/yel Wiring diagrams

ABS LATERAL ACCELERATION SENSOR ASR OFF SWITCH ASR/ETS/SPS CONTROL MODULE BLK WIRE BLK/GRN/VIO WIRE BLK/PNK WIRE BLK/RED WIRE BLK/RED/WHT WIRE BLK/WHT WIRE BLK/YEL WIRE BLK/YEL/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/RED WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR ENGINE CONTROLS, RADIO, HEADLIGHTS SYSTEM (VEHICLE SPEED SIGNAL) GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/PNK WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/WHT WIRE HOT AT ALL TIMES LEFT FRONT AXLE VSS SPEED SENSOR LEFT FRONT BRAKE PAD WEAR SENSOR LEFT REAR AXLE VSS SPEED SENSOR MASTER BRAKE CYLINDER SWITCHOVER VALVE NCA WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RIGHT FRONT AXLE VSS SPEED SENSOR RIGHT FRONT BRAKE PAD WEAR SENSOR RIGHT REAR AXLE VSS SPEED SENSOR RIGHT REAR BRAKE PAD WEAR SENSOR SPS P-VALVE TERMINAL BLOCK WHT WIRE WHT/YEL WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE

BLK WIRE BLK/GRN/VIO WIRE BLK/PNK WIRE BLK/RED WIRE BLK/RED/WHT WIRE BLK/WHT WIRE BLK/YEL WIRE BLK/YEL/RED WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR ENGINE CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) ESP OFF SWITCH ESP/SPS CONTROL MODULE EXTERIOR LAMP FAILURE MONITORING MODULE (LEFT REAR OF ENGINE COMPT) GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/PNK WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE HEADLIGHTS, RADIO (SPEED SIGNAL) HOT AT ALL TIMES INSTRU- MENT CLUSTER LEFT FRONT AXLE VSS SPEED SENSOR LEFT FRONT BRAKE PAD WEAR SENSOR LEFT REAR AXLE VSS SPEED SENSOR MASTER BRAKE CYLINDER SWITCHOVER VALVE NCA WIRE PNK WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RIGHT FRONT AXLE VSS SPEED SENSOR RIGHT FRONT BRAKE PAD WEAR SENSOR RIGHT REAR AXLE VSS SPEED SENSOR RIGHT REAR BRAKE PAD WEAR SENSOR SPS P-VALVE TERMINAL BLOCK WHT WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

BLK WIRE BLK/GRN/VIO WIRE BLK/RED/WHT WIRE BLK/YEL WIRE BLK/YEL/RED WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/RED WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR ETS/SPS CONTROL MODULE EXTERIOR LAMP FAILURE MONITORING MODULE GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/PNK WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/RED WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT FRONT AXLE VSS SPEED SENSOR LEFT FRONT BRAKE PAD WEAR SENSOR LEFT REAR AXLE VSS SPEED SENSOR MIL (MULTIPLEX) NCA WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RIGHT FRONT AXLE VSS SPEED SENSOR RIGHT FRONT BRAKE PAD WEAR SENSOR RIGHT REAR AXLE VSS SPEED SENSOR RIGHT REAR BRAKE PAD WEAR SENSOR SPS P-VALVE TERMINAL BLOCK VIO/BLU WIRE VSS RF WHT WIRE WHT/YEL WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE

2 1 2 CAN (H) + CAN (L) - 22/3 9 10 11 CAN (H) + CAN (L) - A/C PUSHBUTTON CONTROL MODULE ADS CONTROL MODULE (IN MODULE BOX, ON RIGHT REAR OF ENGINE COMPT) ASR/SPS CONTROL MODULE/ ASR/ETS/ESP CONTROL MODULE ATA CONTROL MODULE (ON RIGHT SIDE OF LUGGAGE COMPT) BASE MODULE (IN MODULE BOX, ON RIGHT REAR OF ENGINE COMPT) BLK/BLU WIRE BLK/YEL WIRE BLU/GRY WIRE BLU/YEL WIRE BRN WIRE CAN-H- CAN-L- CAN-L CAN-H CONVENIENCE FEATURE CONTROL MODULE (ON RIGHT SIDE OF LUGGAGE COMPT) DIAGNOSTIC MODULE (OBD II) GENERIC SCAN TOOL CONNECTOR ENGINE CONTROL MODULE (ME-SFI) FUEL TANK PRESSURE SENSOR FUSE 17 FUSE BOX GRN WIRE GRN/BLK WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/WHT WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER IR DAS CONTROL MODULE PSE CONTROL MODULE (RIGHT SIDE OF REAR SEAT) RCL CONTROL MODULE (ON RIGHT SIDE OF LUGGAGE COMPT) RED/WHT WIRE SPS CONTROL MODULE SRS CONTROL MODULE TEST CONNECTOR FOR DIAGNOSIS (RIGHT REAR CORNER OF ENGINE COMPARTMENT) TRANSMISSION CONTROL MODULE ULTRASONIC PTS CONTROL MODULE WHT WIRE WHT/GRN WIRE WHT/YEL WIRE YEL/BLU WIRE YEL/RED WIRE

ADS CONTROL MODULE (IN MODULE BOX, RIGHT REAR OF ENGINE COMPT) ADS WARNING IND. BASE MODULE (RIGHT REAR SIDE OF ENGINE COMPARTMENT, IN MODULE BOX) BLK WIRE BLK/GRN WIRE BLK/GRN/RED WIRE BLK/RED/WHT WIRE BLK/RED/YEL WIRE BLK/YEL WIRE BLS LAM ZAS BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/BLU/WHT WIRE BRN/GRY WIRE BRN/YEL WIRE COMFORT/SPORT SWITCH DATA LINK CONNECTOR (RIGHT REAR OF ENGINE COMPARTMENT) ESP/SPS CONTROL MODULE FUSE 17 FUSE 23 FUSE 24 FUSE BOX GRN WIRE GRN/RED WIRE GRN/VIO WIRE GRY WIRE GRY/YEL WIRE HAR HOT AT ALL TIMES HOT IN RUN OR START INSTRUMENT CLUSTER LEFT FRONT AXLE DAMPER LEFT FRONT BODY LATERAL ACCELERATION SENSOR LEFT REAR AXLE DAMPER LW DF RED WIRE RIGHT FRONT AXLE DAMPER RIGHT FRONT BODY LATERAL ACCELERATION SENSOR RIGHT REAR AXLE DAMPER RIGHT REAR BODY LATERAL ACCELERATION SENSOR STEERING ANGLE SENSOR STOP LAMP SWITCH VALVE UNIT VIO WIRE VVR+ WHT WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE ZA+ VVL ZA+ ZA- HAL ZA- ZAS ZR+ ZR- ZRS 31

1 2 3 4 5 6 PNK WIRE 65/1 68/2 78/1 82/2 78/2 82/1 BACKREST BACKREST HEAD RESTRAINT UP/DOWN BLK WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/GRY WIRE CONVENIENCE CONTROL UNIT (RIGHT SIDE OF LUGGAGE COMPT) CONVENIENCE RELAY (IN FUSE BOX) COUPE ONLY FUSE 30 FUSE 37 41 FUSE 38 40 FUSE BOX GRN WIRE GRY WIRE GRY/BRN WIRE HEAD RESTRAINT UP/DOWN HOT AT ALL TIMES INTERIOR LIGHTS SYSTEM (DOOR JAMB SWITCHES) LEFT FRONT ONLY LEFT FRONT RIGHT FRONT LEFT OR RIGHT FRONT DOOR PLUG CONNECTOR LEFT OR RIGHT FRONT POWER SEAT MOTOR GROUP WITH MEMORY LEFT OR RIGHT FRONT POWER SEAT SWITCH LEFT OR RIGHT FRONT SEAT MEMORY CONTROL UNIT (UNDER SEAT) LEFT OR RIGHT FRONT SEATBACK MICROSWITCH (COUPE ONLY) MEMORY MIRROR, STEERING COLUMN ADJUST CONTROL UNIT (RIGHT SIDE OF DASH) ORG/ WIRE PNK WIRE PNK/GRN WIRE POSITION 1 POSITION 2 POSITION 3 RED WIRE RED/BLK WIRE RED/BLK/YEL WIRE RED/WHT WIRE RED/YEL WIRE SEAT CUSHION HEIGHT SEAT FORWARD/ BACKWARD SEAT FWD/BACK SEAT HEIGHT REAR SEAT HEIGHT FRONT SEAT HEIGHT REAR TERMINAL VIO WIRE WHT WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/PNK WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/RED WIRE

ASR/SPS CONTROL MODULE OR ESP/SPS CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) BLK/BLU WIRE BLK/GRN WIRE BLK/PNK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLK/YEL/RED WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/YEL WIRE DATA LINK CONNECTOR (RIGHT SIDE OF ENGINE COMPT) FRONT BUMPER PTS SENSOR ASSEMBLY FUSE 25 FUSE 4 FUSE 8 FUSE BOX GRN/BLK WIRE GRY/BLU WIRE GRY/YEL WIRE HOT IN RUN OR START HOT W/ LIGHT SWITCH IN PARK OR HEAD PTS ON/OFF SWITCH PTS WARNING INDICATOR (CENTER INSTRUMENT PANEL AIR OUTLET) PTS WARNING INDICATOR (LEFT INSTRUMENT PANEL AIR OUTLET) PTS WARNING INDICATOR (REAR DOME LAMP) REAR BUMPER PTS SENSOR ASSEMBLY REAR FUSE BOX REV RIGHT REAR SEAT TERMINAL BLOCK TRANSMISSION RANGE RECOGNITION SWITCH ULTRASONIC PTS CONTROL MODULE (BELOW RIGHT REAR SEAT) WHT/RED WIRE WHT/YEL WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

4 5 13 DATA LINK CONNECTOR (DTC READOUT) (RIGHT SIDE OF ENGINE COMPT) ACTIVATED CHARCOAL CANISTER SHUT-OFF VALVE BLK WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM ENGINE CONTROL MODULE (ME-SFI) (IN MODULE BOX, RIGHT REAR OF ENGINE COMPT) GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/BLU/WHT WIRE GRY/PNK WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES IGNITION SWITCH LOCK NCA WIRE OXYGEN SENSOR 1 (BEFORE TWC) (ON EXHAUST PIPE, BEFORE TWC) OXYGEN SENSOR 2 (AFTER TWC) (REAR OF TWC) PEDAL VALUE SENSOR (RIGHT REAR OF ENGINE COMPT) PURGE CONTROL VALVE RED WIRE RED/BLU WIRE RED/BLU/YEL WIRE RED/GRN WIRE RUN WIRE STARTING SYSTEM TRANSMISSION SYSTEM VIO WIRE WHT WIRE WHT/YEL WIRE YEL/GRN WIRE YEL/WHT WIRE

AIR PUMP (LOWER RIGHT FRONT OF ENGINE) AIR RELAY MODULE (LEFT REAR OF ENGINE COMPT) BASE MODULE (IN MODULE BOX, RIGHT REAR OF ENGINE COMPT) BLK/RED WIRE BLU WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE CAMSHAFT HALL EFFECT SENSOR (LEFT FRONT OF CYLINDER HEAD) CKP SENSOR FUEL PUMP FUEL PUMP RELAY MODULE (RIGHT SIDE OF TRUNK) FUEL TANK PRESSURE SENSOR (IN FUEL TANK) FUSE 13 FUSE 6 GRN WIRE GRY/BLU WIRE GRY/BRN WIRE HOT AT ALL TIMES HOT FILM MAF SENSOR (ON AIR INTAKE DUCT) MAXI FUSE BOX NCA WIRE PNK/RED WIRE REAR FUSE BOX RED WIRE RED/BLU WIRE RED/BLU/YEL WIRE RED/BRN/BLK WIRE RED/GRN WIRE RED/YEL WIRE RESONANCE INTAKE MANIFOLD SWITCHOVER VALVE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/WHT WIRE

BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE DM PRESSURE SENSOR (TOP LEFT FRONT OF ENGINE) ECT SENSOR (TOP LEFT FRONT CORNER OF ENGINE) ENGINE CONTOL MODULE (ME-SFI) (IN MODULE BOX, RIGHT REAR OF ENGINE COMPT) FUEL INJECTORS FUSE 22 FUSE BOX GRN WIRE GRN/RED WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/YEL WIRE HOT IN RUN OR START IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 KNOCK SENSOR 1 (LEFT SIDE OF ENGINE) KNOCK SENSOR 2 (LEFT SIDE OF ENGINE) NCA WIRE OIL LEVEL SWITCH (LEFT SIDE OF OIL PAN) PNK/RED WIRE RED WIRE RED/WHT WIRE SPARK PLUG #1 SPARK PLUG #6 SPARK PLUG #2 SPARK PLUG #5 SPARK PLUG #3 SPARK PLUG #4 THROTTLE VALVE ACTUATOR (LEFT SIDE OF ENGINE) VIO WIRE WHT WIRE WHT/BLU WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/WHT WIRE