Mercedes·B250E·2017 Mercedes B250e·Wiring
Wiring diagram

2017 Mercedes B250e — power distribution

Sheets 6Labels 1389

Power distribution

Q (OR 5A) M (-) (+) B (OR 5A) (OR 5A) (OR 7.5A) 30A 100A L N/A C 30A 5A 20A 25A 7.5A 7.5A 10A F 30A G 7.5A 7.5A 200A 20A 25A N/A 30A 10A 7.5A 40A 30 (-) (+) 30G 5A 5A 150A 5A 30A 30A 200A N/A N/A 400A 80A 40A SAM CONTROL UNIT VEHICLE INTERIOR FUSE BOX SAM CONTROL UNIT SAM CONTROL UNIT 1 UH1 10 1 C2 A8 C1 S20 S19 A2 A7 S25 S24 S23 S21 S18 S3 S3 7 S5 E1 3 2 B2 21 P3 3 PW2 4 X25/14-C1 12 S10 34 31 32 B2 33 S2 1 7 S1 A1 A2 5 S5 6 6 7 4 6 8 P3 2 6 5 11 4 3 E1 A1 A5 E2 A4 A3 A6 RED/YEL (OR PNK) (OR RED/GRN) (OR GRN) BLU/WHT BLU/WHT BRN RED/WHT RED/YEL RED/YEL RED/BLK RED/BLU RED/VIO RED/WHT RED RED GRN/BRN WHT/BRN WHT/RED GRN/RED RED/YEL RED/YEL RED/BLK RED/BLU RED/YEL RED/GRY (OR RED/YEL) RED/WHT RED RED NCA BRN BLK RED RED RED RED/GRN RED/BLK RED RED RED RED/YEL FRONT ELECTRICAL PREFUSE BOX REVERSE FUSE 6 REVERSE FUSE 8 REVERSE FUSE 7 FUSE 4 FUSE 5 FUSE 3 FUSE 1 FUSE 2 ON BOARD ELECTRICAL SYSTEM BATTERY BATTERY SENSOR CIRCUIT 30G RELAY FUSE 75 FUSE 76 FUSE 56 FUSE 55 FUSE 61 FUSE 22 FUSE 77 FUSE 27 FUSE 54 FUSE 59 FUSE 37 FUSE 38 FUSE 39 FUSE 36 FUSE 32 FUSE 98 FUSE 33 FUSE 34 FUSE 57 FUSE 74 FUSE 63 FUSE 58 FUSE 21 FUSE 73 FUSE 62 (LEFT SIDE OF ENGINE COMPT) (RIGHT FRONT FOOTWELL) (ON BATTERY NEGATIVE (-) POST) (LEFT END OF DASH) (LEFT SIDE OF ENGINE COMPT) (LEFT END OF DASH) (LEFT END OF DASH) (NOT USED) (NOT USED) (NOT USED) (NOT USED) (NOT USED) (IF EQUIPPED) & (IF EQUIPPED) & (IF EQUIPPED) (IF EQUIPPED) & (IF EQUIPPED) (W/ HANDS FREE) (NOT USED) (NOT USED) (NOT USED) (IF EQUIPPED) & (W/ MEMORY) W10 ELECTRICAL POWER STEERING CONTROL UNIT FAN MOTOR TO DC/DC CONVERTER CONTROL UNIT (DIAGRAM 6 OF 6) TO ENGINE COMPARTMENT FUSE & RELAY MODULE (DIAGRAM 2 OF 6) TO FUSE 60 (DIAGRAM 5 OF 6) FRONT PASSENGER SEAT CONTROL UNIT SOUND SYSTEM AMPLIFIER CONTROL UNIT STEERING COLUMN MODULE CONTROL UNIT TRAILER RECOGNITION CONTROL UNIT TRAILER RECOGNITION CONTROL UNIT TRAILER RECOGNITION CONTROL UNIT KEYLESS-GO CONTROL UNIT TO ENGINE COMPARTMENT FUSE & RELAY MODULE (DIAGRAM 3 OF 6) PARK PAWL CONTROL UNIT REAR SWITCHING MODULE BATTERY MANAGEMENT SYSTEM CONTROL UNIT TO FUSE 99 (DIAGRAM 4 OF 6) TO FUSE 103 (DIAGRAM 2 OF 6) STEERING COLUMN MODULE CONTROL UNIT OVERHEAD CONTROL PANEL CONTROL UNIT AUTOMATIC AIR CONDITIONING CONTROL & OPERATING UNIT AUDIO/ COMAND DISPLAY TO EMERGENCY VEHICLE FUSE BOX (DIAGRAM 5 OF 6) GATEWAY FOR POWERTRAIN CONTROL UNIT ELECTRIC PARKING BRAKE CONTROL UNIT DRIVER SEAT LUMBAR SUPPORT ADJUSTMENT CONTROL UNIT SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT AUDIO/ COMAND CONTROL PANEL DRIVER SEAT CONTROL UNIT
(OR 20A) 30 30 E 30 30 (+) 5A 30 J D 30A 20A 5A 10A 5A 10A 7.5A 5A 5A 10A 5A 10A 40A 40A 40A C A L 5A 7.5A 5A 5A 5A 5A 40A 5A 7.5A 25A 30 30 (-) 30 15 (+) 40A 5A 15A VEHICLE INTERIOR FUSE BOX SAM CONTROL UNIT BACKUP RELAY HEATED WINDSHIELD RELAY WINDSHIELD WIPER ON/OFF RELAY FANFARE HORN RELAY BRAKE BOOSTER VACUUM PUMP SUPPLY RELAY SAM CONTROL UNIT ENGINE COMPARTMENT FUSE & RELAY MODULE PARK PAWL CONTROL UNIT CIRCUIT 87 RELAY TERMINAL 87T RELAY SAM CONTROL UNIT 1 PW2 MR1 13 MR2 7 S5 S4 5 1 2 P4 1 2 3 5 P3 1 14 12 10 8 7 6 5 P1 S29 PW1 3 2 S27 S28 UH2 5 6 3 7 S4 3 1 2 S3 4 E1 S13 S1 1 S12 S6 11 9 S3 RED/WHT (OR RED) RED/GRN (OR RED/BLK) RED/BLU BRN RED/GRN (OR RED/BLK) RED/GRN RED RED/BLU (OR RED/BLK) RED/ORG RED RED/YEL RED/YEL RED/WHT RED/GRY RED/BLK RED/VIO RED/BLU RED/BLU RED/BLK BLU/GRN BLK/GRY BLK/BLU BLK/YEL BLK/RED RED/GRN BLK/VIO RED/YEL RED/YEL RED/YEL BRN RED NCA RED/GRY RED/WHT BLK BLK/BLU BRN FUSE 109 FUSE 102 FUSE 79 FUSE 87 FUSE 88 FUSE 110 FUSE 83 FUSE 86 FUSE 82 FUSE 101 FUSE 84 FUSE 85 FUSE 103 FUSE 81 FUSE 80 CHARGING SOCKET ELECTRICAL CONNECTOR FUSE 204 FUSE 240A FUSE 237 FUSE 232 CIRCUIT 15 RELAY FUSE 227 FUSE 201 FUSE 224 FUSE 230 FUSE 226 FUSE 228 FUSE 229 FUSE 231 FUSE 236 FUSE 202 (RIGHT FRONT FOOTWELL) (RIGHT SIDE OF LUGGAGE COMPT) (LEFT END OF DASH) (LEFT REAR OF ENGINE COMPT) (LEFT END OF DASH) (LEFT SIDE ENGINE COMPT) (LEFT END OF DASH) (NOT USED) (W/ NAVIGATION), (W/ EMERGENCY VEHICLES) (W/O NAVIGATION) & (IF EQUIPPED) (W/ ACOUSTIC AMBIENT PROTECTION) W7 W3/2 TO CIRCUIT 15R2 RELAY (DIAGRAM 3 OF 6) FROM FUSE 57 (DIAGRAM 1 OF 6) STATIONARY HEATER RADIO REMOTE CONTROL RECEIVER, DRIVETRAIN CONTROL UNIT & TELEPHONE & STATIONARY HEATER ANTENNA CHANGEOVER SWITCH TELEMATICS SERVICES COMMUNICATION MODULE, EMERGENCY CALL SYSTEM CONTROL UNIT & HERMES CONTROL UNIT AC HOUSING INSTRUMENT CLUSTER DIAGNOSTIC CONNECTOR ATA (EDW)/ TOWING SENSOR/ INTERIOR MOTION SENSOR CONTROL UNIT FM, AM & CL (ZV) ANTENNA AMPLIFIER UPPER CONTROL PANEL CONTROL UNIT OVERHEAD CONTROL PANEL CONTROL UNIT COMAND CONTROL UNIT TO ELECTRONIC IGNITION SWITCH CONTROL UNIT (DIAGRAM 5 OF 6) RADIO ENGINE SOUND CONTROL UNIT TO FUSE 234 (DIAGRAM 3 OF 6) FROM FRONT ELECTRICAL PREFUSE BOX (DIAGRAM 1 OF 6) HEADLAMP CONTROL UNIT DRIVETRAIN CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT COLLISION PREVENTION ASSIST CONTROLLER UNIT & DISTRONIC ELECTRONIC CONTROLLER UNIT LEFT FRONT LAMP UNIT ELECTRIC VEHICLE SOUND GENERATOR RIGHT FRONT LAMP UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT POWER ELECTRONICS CONTROL UNIT ALARM SIREN STATIONARY HEATER UNIT POWER ELECTRONICS CONTROL UNIT & CHARGER CONTROL UNIT
1 2 1 2 (+) 5A 5A 15A 5A 5A N/A 87C 5A (-) 30 87C (+) F N/A P N N/A 7.5A 30 K J 25A 25A 25A N/A (-) 15R2 (+) 30 A 5A N/A 7.5A N/A (-) 30 87 87C 10A ENGINE COMPARTMENT FUSE & RELAY MODULE HEATED WINDSHIELD RELAY TERMINAL 87T RELAY ENGINE COMPARTMENT FUSE & RELAY MODULE VEHICLE INTERIOR FUSE BOX HEATED REAR WINDOW RELAY SAM CONTROL UNIT MR2 S1 8 3 S7 S2 1 S1 5 4 6 MR1 3 S1 7 MR1 12 S3 5 MR1 5 9 S4 1 1 3 2 X138/1-C1 P2 2 1 3 1 3 S5 S4 14 5 1 3 2 1 7 6 B2 17 3 S8 7 S2 6 MR2 S3 7 6 RED/BLK RED/BLK RED/BLK BRN RED/WHT RED/BLU RED/BRN RED/GRN RED/BLU RED/WHT RED/WHT BRN/PNK BLK/WHT (OR RED/BLU) BRN RED/BLK RED/BLK RED/BRN RED/WHT BRN BLK GRY/BLU BRN BLK BLK/WHT BRN BRN BLK/WHT BRN BLK/GRN BRN/GRN BLK/GRN BLK/WHT BLK RED CIRCUIT 87 RELAY TERMINAL 87C RELAY RESERVE FUSE 235 FUSE 234 RESERVE FUSE 209 RESERVE FUSE 233 FUSE 210 FUSE 211 FUSE 206 FUSE 208 FUSE 207 FUSE 203 RESERVE FUSE 217 RESERVE FUSE 216 FUSE 241 FUSE 222 FUSE 218 CIRCUIT 15R2 RELAY REVERSE FUSE 69 FUSE 70 FUSE 71 FUSE 72 FRONT CIGAR LIGHTER W/ ASHTRAY ILLUMINATION ASHTRAY ILLUMINATION CIGARETTE LIGHTER HEATING ELEMENT REAR CENTER CONSOLE POWER OUTLET VEHICLE INTERIOR POWER OUTLET LUGGAGE COMPARTMENT SOCKET (LEFT SIDE ENGINE COMPT) (LEFT SIDE ENGINE COMPT) (RIGHT FRONT FOOTWELL) (UNDER LEFT FRONT OF CENTER CONSOLE) (UNDER LEFT FRONT OF CENTER CONSOLE) (UNDER LEFT FRONT OF CENTER CONSOLE) (LEFT REAR OF ROOF) (LEFT END OF DASH) (NOT USED) (NOT USED) (NOT USED) (NOT USED) W/ ASHTRAY PACKAGE/SMOKER PACKAGE W/O ASHTRAY PACKAGE/SMOKER PACKAGE (NOT USED) (NOT USED) (NOT USED) W12 W12 W48 W12 FROM CIRCUIT 15 RELAY (DIAGRAM 2 OF 6) DRIVETRAIN CONTROL UNIT TO HIGH-VOLTAGE POWER DISTRIBUTOR (DIAGRAM 6 OF 6) HIGH-VOLTAGE BATTERY COOLING SYSTEM SHUTOFF VALVE BRAKE BOOSTER VACUUM PUMP RELAY FAN MOTOR DRIVETRAIN CONTROL UNIT HEATER CIRCUIT CIRCULATION PUMP PARK PAWL CONTROL UNIT ELECTRONIC STABILITY PROGRAM CONTROL UNIT ELECTRIC REFRIGERANT COMPRESSOR FROM VEHICLE INTERIOR FUSE BOX (DIAGRAM 1 OF 6) HIGH-VOLTAGE PTC HEATER TO CIRCUIT 15R1 RELAY (DIAGRAM 4 OF 6) FROM FUSE 79 (DIAGRAM 2 OF 6) TO CIRCUIT 15R1 RELAY (DIAGRAM 4 OF 6) INTERIOR LIGHTS SYSTEM
H (OR 5A) 5A 5A 7.5A 40A 40A 5A 7.5A 30A N/A 5A G 5A 7.5A 5A P K 7.5A N/A 15A N/A 5A 1A 5A 5A 7.5A 5A 5A 5A 5A 5A 15A 15R1 15A 5A (-) 15R1 (+) 30 (-) 15 (+) 30 5A 5A 5A 7.5A 5A VEHICLE INTERIOR FUSE BOX REAR WINDOW WIPER RELAY SAM CONTROL UNIT P3 13 7 S16 S14 S13 S12 S3 1 S2 6 S17 7 5 S15 4 S4 P2 4 5 3 4 2 S4 1 6 8 2 10 P2 12 14 4 S1 3 S1 2 5 P2 P1 P2 1 1 9 B2 12 48 9 10 P4 6 8 3 P3 9 RED/WHT RED/WHT RED RED/GRN RED/PNK RED/BLU RED/BLU RED/WHT RED/BLK RED/BRN (OR RED/YEL) BLK/WHT (OR BLK/GRY) BLK/YEL BLK/YEL BLK/BLU RED/BLU RED/GRN RED/VIO RED/PNK BRN RED/YEL BLK/GRN BLK/BLU BLK/YEL BLK/GRY BLK/VIO BLK BLK BLK BLK/GRN BLK RED/GRY CIRCUIT 15R1 RELAY CIRCUIT 15 RELAY FUSE 65 FUSE 30 FUSE 91 FUSE 90 FUSE 31 FUSE 29 FUSE 89 FUSE 96 FUSE 28 FUSE 46 FUSE 97 FUSE 49 FUSE 43 FUSE 41 FUSE 100 FUSE 48 FUSE 47 FUSE 40 FUSE 44 FUSE 45 FUSE 42 FUSE 92 FUSE 67 FUSE 107 FUSE 66 FUSE 105 FUSE 104 FUSE 68 FUSE 94 FUSE 64 FUSE 108 FUSE 93 FUSE 95 FUSE 106 FUSE 99 (RIGHT FRONT FOOTWELL) (RIGHT FRONT FOOTWELL) (LEFT END OF DASH) (NOT USED) (IF EQUIPPED), (W/ TRAILER HITCH) (W/ TRAILER HITCH) (W/ DRIVING SCHOOL PACKAGE) & (W/ DRIVING SCHOOL PACKAGE) (NOT USED) (NOT USED) (NOT USED) (W/ NAVIGATION) & (W/O NAVIGATION) (IF EQUIPPED) (W/ MEMORY) & (W/ PRE-SAFE) (IF EQUIPPED) & (IF EQUIPPED) (W/ PRE-SAFE) (W/O MEMORY) (IF EQUIPPED) (NOT USED) (NOT USED) (NOT USED) (NOT USED) (IF EQUIPPED) (IF EQUIPPED) (W/ AUTOMATIC CHILD SEAT RECOGNITION) & (IF EQUIPPED) (IF EQUIPPED) (W/ ELECTRONIC INTERFACE, CUSTOMER REQUESTED) W15/1 FROM HEATED REAR WINDOW RELAY (DIAGRAM 3 OF 6) FROM CIRCUIT 15R2 RELAY (DIAGRAM 3 OF 6) GLOVE BOX LAMP THERMAL MANAGEMENT CONTROL UNIT BATTERY MANAGEMENT SYSTEM CONTROL UNIT LEFT REAR BUMPER INTELLIGENT RADAR SENSOR & RIGHT REAR BUMPER INTELLIGENT RADAR SENSOR EXTERIOR LIGHTS SWITCH TRAILER RECOGNITION CONTROL UNIT TRAILER RECOGNITION CONTROL UNIT TAILGATE WIPER MOTOR PEDAL OPERATION MONITOR SWITCH FOOTWELL ILLUMINATION SWITCH COMAND CONTROL UNIT LEFT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR MOBILE PHONE CONTACT PLATE FRONT PASSENGER SEAT CONTROL UNIT DRIVETRAIN CONTROL UNIT CRADLE FOR NAVIGATION MODULE RADIO DRIVE KIT CONTROL UNIT FOR IPHONE RIGHT FRONT REVERSIBLE EMERGENCY TENSIONING RETRACTOR FRONT PASSENGER SEAT LUMBAR SUPPORT ADJUSTMENT CONTROL UNIT PANORAMIC SLIDING ROOF CONTROL MODULE COMAND FAN MOTOR FROM FUSE 39 (DIAGRAM 1 OF 6) FRONT PASSENGER SEAT OCCUPIED RECOGNITION & ACSR TIRE PRESSURE MONITOR CONTROL UNIT MULTI-FUNCTION CAMERA ELECTRIC PARKING BRAKE CONTROL UNIT TO EMERGENCY VEHICLE FUSE BOX (DIAGRAM 5 OF 6) WEIGHT SENSING SYSTEM (WSS) CONTROL UNIT BACKUP CAMERA CONTROL UNIT SPECIAL- PURPOSE VEHICLE INTERFACE MEDIA INTERFACE CONTROL UNIT & MULTIMEDIA CONNECTION UNIT TUNER UNIT SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT GATEWAY FOR POWERTRAIN CONTROL UNIT
1 2 1 2 3 4 3 4 15A 15A 3A N/A 3A 5A N/A 3A N/A 3A 15A H D CAN E2 L 31 CAN D H CAN D L A HF CAN E2 H CAN B L CAN B H CAN E1 H CAN E1 L 30 AUX (+) FT DF 31 30B Q B E 10A 30A 30A 30A 40A 30A VEHICLE INTERIOR FUSE BOX SAM CONTROL UNIT SAM CONTROL UNIT DUAL CLUTCH TRANSMISSION FULLY INTEGRATED TRANSMISSION CONTROL CONTROLLER UNIT LEFT FRONT DOOR CONTROL UNIT FM, AM & CL (ZV) ANTENNA AMPLIFIER 2A 1A E1 7A 8A 6A E7 4A 4A 5A 3A E4 3 C3 2 3 C1 12 11 10 9 C1 8 7 5 6 4 3 2 1 C3 8 7 5 6 4 3 2 1 1 PW1 X4/48-C1 3 42 B2 11 X35/1-C2 X25/13-C1 1 5 P1 13 S9 S8 S7 S6 S26 S22 (OR RED/WHT) RED RED RED (OR RED/BLK) RED/BLU (OR RED/GRN) RED/WHT RED/WHT RED (OR RED/GRN) RED/BLK RED RED/YEL RED RED RED/GRN RED RED/YEL BRN BLU BLU/BLK BLU BLU/BLK BRN/RED GRN/WHT BLU/WHT ORG GRY/WHT BRN (OR RED/YEL) BLU GRY BRN ORG BRN GRN RED/YEL BLU/BLK BLU BRN RED RED RED/WHT (OR RED/GRN) RED/BLK RED/GRN RED BRN RED RED RED RED BLU BLU/BLK BRN RED RED/WHT RED FUSE 26 FUSE 25 FUSE 24 FUSE 23 FUSE 78 FUSE 60 ADDITIONAL BATTERY ECO START/STOP FUNCTION ADDITIONAL BATTERY EMERGENCY VEHICLE FUSE BOX FUSE 5 FUSE 8 FUSE 4 FUSE 6 FUSE 2 FUSE 1 FUSE 7 FUSE 3 ELECTRONIC IGNITION SWITCH CONTROL UNIT (LEFT END OF DASH) (RIGHT FRONT FOOTWELL) (LEFT END OF DASH) (LEFT FRONT OF RIGHT FRONT FOOTWELL) (RIGHT FRONT FOOTWELL) (UNDER LEFT FRONT OF CENTER CONSOLE) (UNDER LEFT FRONT OF CENTER CONSOLE) (W/ MEMORY) W/ ECO START/STOP FUNCTION W/O ECO START/STOP FUNCTION W/ DUAL CLUTCH TRANSMISSION W/O DUAL CLUTCH TRANSMISSION 5 W/ HELLA ROOF ATTACHMENT 6 W/O HELLA ROOF ATTACHMENT 5 6 5 6 5 6 6 5 (NOT USED) (NOT USED) (NOT USED) (W/ HELLA ROOF ATTACHMENT) & (W/ HELLA ROOF ATTACHMENT) & (W/ HELLA ROOF ATTACHMENT) & (W/ HELLA ROOF ATTACHMENT) & (W/O HELLA ROOF ATTACHMENT) (W/O HELLA ROOF ATTACHMENT) (W/O HELLA ROOF ATTACHMENT) (W/O HELLA ROOF ATTACHMENT) W83/2 W15/1 W12 W12 FROM FUSE 56 (DIAGRAM 1 OF 6) TRUNK LID/ LIFT GATE CONTROL UNIT DRIVER SEAT CONTROL UNIT RIGHT FRONT DOOR CONTROL UNIT LEFT FRONT DOOR CONTROL UNIT ROOF LIGHT BAR SIGNALING SYSTEM OPERATING UNIT ELECTRICAL CONNECTOR ROOF LIGHT BAR SIGNALING SYSTEM OPERATING UNIT ELECTRICAL CONNECTOR LEFT & RIGHT ROOF LIGHT BAR ELECTRICAL CONNECTOR LEFT & RIGHT ROOF LIGHT BAR ELECTRICAL CONNECTOR LEFT & RIGHT ROOF LIGHT BAR ELECTRICAL CONNECTOR FROM VEHICLE INTERIOR FUSE BOX (DIAGRAM 2 OF 6) FROM VEHICLE INTERIOR FUSE BOX (DIAGRAM 4 OF 6) FROM VEHICLE INTERIOR FUSE BOX (DIAGRAM 1 OF 6) PAS (GAS) CONTROL UNIT SPECIAL SIGNAL SYSTEM OPERATING UNIT PAS (GAS) CONTROL UNIT SPECIAL SIGNAL SYSTEM OPERATING UNIT FROM VEHICLE INTERIOR FUSE BOX (DIAGRAM 2 OF 6) COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM
87T SIG PWM 31 N 30 30C 20A POT C SIG C SIG HV (-) HV (+) SHD SHD M LV (+) 31 DC F CAN EL L CAN EL H HV (+) HV (-) HV (+) HV (-) SHD HV (-) HV (+) SHD POT 40A 50A HV (-) SHD SHD HV (-) HV (+) SHD SHD HV (+) 40A HV (+) HV (-) SHD SHD HV (-) SHD HV (+) SHD 35A X241-C3 2 POT 4 LV 10 12 5 11 3 6 HV5 9 S+ - + S- LV (+) GND POT 5 1 2 4 6 3 7 LV - HV S- LV 8 9 + S+ 8 S- - HV2 HV3 S+ + - S- + HV4 + S- - HV1 2 LV S+ S- - + S+ S+ RED/WHT NCA NCA NCA NCA NCA NCA NCA ORG ORG NCA NCA RED/BLK RED/WHT WHT/GRN VIO/BLU RED NCA NCA NCA NCA RED/BLK NCA NCA YEL YEL ORG NCA ORG NCA NCA NCA ORG NCA NCA NCA ORG NCA ORG NCA ORG NCA NCA NCA YEL/BRN ORG ORG ORG ORG ORG NCA ORG NCA NCA YEL ORG NCA NCA NCA NCA ORG NCA HIGH-VOLTAGE POWER DISTRIBUTOR FUSE 751 FUSE 752 FUSE 754 FUSE 753 SWITCH CONTACT FUSE 755 DC/DC CONVERTER CONTROL UNIT (BELOW ONBOARD CHARGER) (BELOW REAR OF ONBOARD CHARGER) W1 W1 CHARGER CONTROL UNIT HIGH-VOLTAGE PTC HEATER BATTERY MANAGEMENT SYSTEM CONTROL UNIT CHARGER CONTROL UNIT ELECTRIC REFRIGERANT COMPRESSOR POWER ELECTRONICS CONTROL UNIT HIGH-VOLTAGE BATTERY COOLANT CIRCUIT HEATING ELEMENT HIGH-VOLTAGE DISCONNECT DEVICE SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT FROM ENGINE COMPARTMENT FUSE & RELAY MODULE (DIAGRAM 3 OF 6) ENGINE CONTROLS SYSTEM FROM FRONT ELECTRICAL PREFUSE BOX (DIAGRAM 1 OF 6) THERMAL MANAGEMENT CONTROL UNIT ENGINE CONTROLS SYSTEM COMPUTER DATA LINES SYSTEM ENGINE CONTROLS SYSTEM