Mercedes-Benz Vito W447 facelift (2018-2024) signal acquisition, actuation module (sam) control unit Wiring diagrams

BACKUP BATT BLK/BLU WIRE BLK/ORG WIRE BLK/WHT WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/ORG WIRE BLU/VIO WIRE BLU/WHT WIRE BR SL/LED-BR R BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/VIO WIRE CAN B H CAN B L COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT FUSE, RELAY MODULE ENGINE CONTROLS SYSTEM FIREWALL FUSE, RELAY MODULE FUSE 110 FUSE 236 FUSE 79 FUSE 80 GRN/PNK WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE GRY/VIO WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES INSTRUMENT CLUSTER SYSTEM LDS 2 SIG LDS 3 SIG LDS GND LWR LDS SIG NAVIGATION SYSTEM NAVIGATION, TRUNK, TAILGATE, FUEL DOORS, INTERIOR LIGHTS SYSTEMS NSW L ORG/ WIRE POWER DISTRIBUTION SYSTEM PREFUSE BOX RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/ORG WIRE RED/WHT WIRE RED/YEL WIRE REL EK D+ ABH REL ENTKOPPLG RFL R RIGHT END OF DASH) SIG LDS 1 SIGNAL ACQUISITION, ACTUATION MODULE (SAM) CONTROL UNIT SML R STARTING/CHARGING SYSTEM TFL POS R TR SIG VIO/BLU WIRE WARMSTAR SIG WASCHW HI + WASCHW VO + WHT/BRN WIRE WHT/GRN WIRE WHT/YEL WIRE WIPER/WASHER SYSTEM ZV HKL -

15 MSG ECM 54 BPG A/T ABL L ABL R AIR CONDITIONING SYSTEM AIR CONDITIONING, COOLING FANS SYSTEMS ANTI-LOCK BRAKES SYSTEM ANTI-THEFT SYSTEM BBV 1 BFKS SIG BKUP BAT BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/PNK WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BLU/WHT WIRE BR 3 BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/ORG WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H COMPUTER DATA LINES SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS ENGINE CONTROLS SYSTEM FL L FL R FSB GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/VIO WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/ORG WIRE GRY/PNK WIRE GRY/WHT WIRE GRY/YEL WIRE HEADLIGHTS SYSTEM HEADLIGHTS, ANTI-LOCK BRAKES SYSTEMS HOT DREHF INSTRUMENT CLUSTER SYSTEM LST DREHF L LST DREHF R LWR L M BFKS MHS OEF MHS SCHL NAVIGATION, TRUNK, TAILGATE, FUEL DOORS, INTERIOR LIGHTS SYSTEMS NSW R ORG/WHT WIRE PNK WIRE POWER DISTRIBUTION SYSTEM POWER DISTRIBUTION SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM POWER DISTRIBUTION, HORNS SYSTEMS RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE REL HORN REL WI V E/A RFL L RIGHT END OF DASH) SEATS SYSTEM SENS KWS - SIG AT SIG CRASH SIG WSS SIGNAL ACQUISITION, ACTUATION MODULE (SAM) CONTROL UNIT SL (+) 54 SML L SUPPLEMENTAL RESTRAINTS SYSTEM TFL POS L TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO/GRN WIRE VIO/WHT WIRE VIO/YEL WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/RED WIRE WI H 1 RT WI HDT R WIPER/WASHER SYSTEM YEL/BLK WIRE YEL/BRN WIRE YEL/RED WIRE YEL/WHT WIRE ZV HKL - ZV HKL AT ZV HKL LOCK ZV HKL UNLOCK

BLK/ORG WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/ORG WIRE BRN/RED WIRE BRN/YEL WIRE CAN B H CAN B L COC CAN C H CAN C L COMPUTER DATA LINES SYSTEM COOLANT LEVEL INDICATOR SWITCH COOLANT PUMP SWITCHOVER VALVE COOLANT TEMPERATURE SENSOR DRIVETRAIN CONTROL UNIT (LEFT END OF DASH) ELECTRIC FAN (BEHIND RADIATOR) ENGINE COMPARTMENT FUSE, RELAY MODULE EWP FUSE 213 FUSE 216 FUSE 234 GRN/BLU WIRE GRN/WHT WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT AT ALL TIMES PREFUSE BOX HOT W/ ME-SFI (ME) CONTROL UNIT RED WIRE RED/YEL WIRE RIGHT END OF DASH) SENS KWS - SIGNAL ACQUISITION, ACTUATION MODULE (SAM) CONTROL UNIT TMOT WHT WIRE

BLK WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L COC CAN E H CAN E L COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT FUSE, RELAY MODULE FANFARE HORN RELAY FUSE 205 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES LEFT FANFARE HORN PREFUSE BOX RED WIRE REL HORN RIGHT END OF DASH) SIGNAL ACQUISITION, ACTUATION MODULE (SAM) CONTROL UNIT STEERING COLUMN TUBE MODULE (MRM) CONTROL UNIT STEERING WHEEL CLOCKSPRING CONTACT STEERING WHEEL ELECTRONICS

BLK/GRN WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/ORG WIRE BLU/PNK WIRE BLU/VIO WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CAN B H CAN B L CENTER TRUNK LAMP COC COMPUTER DATA LINES SYSTEM DREHF - DREHF SIG GND LDS GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE INSTRUMENT ILLUMINATION BRIGHTNESS CONTROL LEFT EXIT, WARNING LAMP LEFT FRONT FOOTWELL LAMP LEFT FRONT GRAB HANDLE AMBIANCE ILLUMINATION LEFT REAR GRAB HANDLE AMBIANCE ILLUMINATION LIGHT SENSOR (-) LIGHT SWITCH RAIN LIGHT SENSOR W/ ADDITIONAL FUNCTIONS REAR OF REAR DOME LAMP RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/ORG WIRE RED/WHT WIRE RED/YEL WIRE RIGHT END OF DASH) RIGHT FRONT FOOTWELL LAMP RIGHT FRONT GRAB HANDLE AMBIANCE ILLUMINATION RIGHT REAR GRAB HANDLE AMBIANCE ILLUMINATION SIG LDS 1 SIG LDS 2 SIG LDS 3 SIG LWR SIGNAL ACQUISITION, ACTUATION MODULE (SAM) CONTROL UNIT VIO/GRN WIRE W/ LIFTGATE AMBIENT ILLUMINATION W/ READING SPOTLIGHT W/ SMOKER'S PACKAGE WHT WIRE YEL WIRE ZV HKL - ZV HKL AT

BACKUP BATTERY BACKUP BATTERY FUSE/ EMERGENCY-P BATTERY BLU/GRN WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN E H CAN E L CAN-D H CAN-D L CAN-G H CAN-G L COLOR CODE KEY COMPUTER DATA LINES SYSTEM ELECTRONIC IGNITION LOCK (EZS) CONTROL UNIT ELECTRONIC STABILITY PROGRAM (ESP) CONTROL UNIT EMERGENCY-P BATTERY ENGINE COMPARTMENT FUSE, RELAY MODULE FM/AM ANTENNA AMPLIFIER FROM FIREWALL FUSE, RELAY MODULE (DIAGRAM 4 OF 7) FROM FIREWALL FUSE, RELAY MODULE (DIAGRAM 5 OF 7) FUSE 216 FUSE 218 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/WHT WIRE HF DATEN LEFT FRONT DOOR CONTROL UNIT ME-SFI (ME) CONTROL UNIT N/A NCA WIRE NOT BATT - ON-BOARD ELECTRICAL SYSTEM BACKUP BATTERY RELAY ORG/ WIRE PNK WIRE PNK/WHT WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/ORG WIRE RED/WHT WIRE RED/YEL WIRE RESERVE FUSE 219 SIGNAL ACQUISITION, ACTUATION MODULE (SAM) CONTROL UNIT TO FIREWALL FUSE, RELAY MODULE (DIAGRAM 7 OF 7) W/ ECO START/ STOP FUNCTION W/O ECO START/ STOP FUNCTION

BLK WIRE BLK/GRY WIRE BLK/PNK WIRE BLK/RED WIRE BLK/VIO WIRE BLK/YEL WIRE FROM CIRCUIT FROM FUSE 43 (DIAGRAM 5 OF 7) FRONT PASSENGER SEAT LUMBAR SUPPORT ADJUSTMENT CONTROL UNIT FUSE 25 FUSE 42 FUSE 49 FUSE 66 FUSE 68 FUSE 69 FUSE 93 FUSE 95 FUSE 96 FUSE 97 FUSE 99 GLOVE COMPARTMENT SWITCH ILLUMINATION LEFT REAR END DOOR WIPER MOTOR N/A PARKTRONIC CONTROL UNIT (PTS) PNK/YEL WIRE RADIO PRE- INSTALLATION ELECTRICAL CONNECTOR REAR WINDOW WIPER RELAY REAR WINDOW WIPER RELAY 2 RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RESERVE FUSE 100 RESERVE FUSE 50 RESERVE FUSE 51 RESERVE FUSE 52 RESERVE FUSE 67 RIGHT REAR END DOOR WIPER MOTOR SIGNAL ACQUISITION, ACTUATION MODULE (SAM) CONTROL UNIT STEERING COLUMN TUBE MODULE (MRM) CONTROL UNIT SUPPLEMENTAL RESTRAINT SYSTEM (SRS) CONTROL UNIT TAILGATE WIPER MOTOR TIRE PRESSURE MONITOR (RDK) CONTROL UNIT W/ ELECTRICALLY ADJUSTABLE FRONT PASSENGER SEAT W/ TWO LEAF REAR END DOOR W/O ELECTRICALLY ADJUSTABLE FRONT PASSENGER SEAT W/O TWO LEAF REAR END DOOR WEIGHT SENSING SYSTEM (WSS) CONTROL UNIT

BBV 1 BLK WIRE BLU/GRN WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SWITCH BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE CAN B H CAN B H COC CAN B L CAN E H CAN E L COMPUTER DATA LINES SYSTEM DCS DRIVER SEAT BELT BUCKLE RESTRAINT SYSTEM SWITCH FIREWALL FUSE, RELAY MODULE FSB FUSE 110 FUSE 38 FUSE 64 FUSE 88 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER (KI) CONTROL UNIT LEFT FRONT DOOR CENTRAL LOCKING ACTUATOR LEFT FRONT DOOR CONTROL UNIT M BFKS ORG/GRN WIRE PARKING BRAKE INDICATOR SWITCH RED/BLK WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT END OF DASH) RIGHT FRONT BRAKE WEAR SENSOR ROTARY TUMBLER MICROSWITCH SIG SIGNAL ACQUISITION, ACTUATION MODULE (SAM) CONTROL UNIT SUPPLEMENTAL RESTRAINT SYSTEM (SRS) CONTROL UNIT VIO/WHT WIRE W/ ELECTRICALLY ADJUSTABLE DRIVE SEAT W/O ELECTRICALLY ADJUSTABLE DRIVE SEAT WHT WIRE WHT/BRN WIRE

AUTOMATIC CHILD SEAT RECOGNITION AIR BAG ON, OFF IND LAMP BLK WIRE BLK/GRY WIRE BLK/PNK WIRE BLK/VIO WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/VIO WIRE COC CRASH 1 CRASH 2 FIREWALL FUSE, RELAY MODULE FUSE 68 FUSE 69 FUSE 84 GRN/PNK WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/PNK WIRE HOT AT ALL TIMES HOT W/ CIRCUIT LEFT CENTER WINDOW BAG SQUIB LEFT REAR WINDOW BAG SQUIB LIN ME-SFI (ME) CONTROL UNIT N/A ORG/ WIRE ORG/WHT WIRE PNK WIRE PNK/YEL WIRE PREFUSE BOX RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RIGHT CENTER WINDOW BAG SQUIB RIGHT END OF DASH) RIGHT REAR WINDOW BAG SQUIB SIG SIG CRASH SIGNAL ACQUISITION, ACTUATION MODULE (SAM) CONTROL UNIT SQUIB 1 (+) SQUIB 2 (-) SQUIB OF DRIVER-SIDE EMERGENCY TENSIONING RETRACTOR W/ BELT FORCE LIMITER SQUIB OF PASSENGER-SIDE EMERGENCY TENSIONING RETRACTOR W/ BELT FORCE LIMITER SUPPLEMENTAL RESTRAINT SYSTEM (SRS) CONTROL UNIT UPPER CONTROL PANEL (UCP (OBF)) CONTROL UNIT VIO/GRN WIRE W/ ACTIVE PARKING ASSIST, LANE KEEPING ASSIST W/ ELECTRICALLY ADJUSTABLE FRONT PASSENGER SEAT W/O ELECTRICALLY ADJUSTABLE FRONT PASSENGER SEAT WEIGHT SENSING SYSTEM (WSS) CONTROL UNIT WHT/BLU WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/WHT WIRE

BLK/PNK WIRE BLK/VIO WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/ORG WIRE BRN/RED WIRE BRN/WHT WIRE CAN B H CAN B L COC COMPUTER DATA LINES SYSTEM FIREWALL FUSE, RELAY MODULE FUSE 66 GRN/PNK WIRE GRN/VIO WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT W/ LEFT REAR END DOOR WIPER MOTOR PREFUSE BOX RED WIRE RELAY ENERGIZED REL_WI_V_E/A RIGHT END OF DASH) RIGHT REAR END DOOR WIPER MOTOR SIGNAL ACQUISITION, ACTUATION MODULE (SAM) CONTROL UNIT VIO/BLU WIRE WASCHW HI + WASCHW HZG WASCHW VO + WHT/BRN WIRE WHT/RED WIRE WI H 1 RT WI HDT R WINDSHIELD WASHER SYSTEM WATER LEVEL INDICATOR SWITCH WIPER MOTOR WSS+