Mazda 3 BP (2019-2024) electrical supply unit Wiring diagrams

AUTO RETURN SWITCH (AUTO HOLD) BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE C-03 C-07 C-08 C-09 C-10 C-14 C-46 C-47 CAN-H PPL IG CLUSTER SWITCH 1 COMPUTER DATA LINES SYSTEM DSC OFF SWITCH ELECTRIC PARKING BRAKE SWITCH ELECTRICAL SUPPLY UNIT EPB FRONT RADAR SENSOR FUSE 16 FUSE 17 FUSE BLOCK (LEFT KICK PANEL) GRN WIRE GRY WIRE HOT AT ALL TIMES ILLUMINATION LIGHT INDICATOR LIGHT (AUTO HOLD) INSTRUMENT CLUSTER J/C C-28 J/C C-45 JOINT BOX 1 LEFT "C" PILLAR) LIN CLUSTER SW MICROCOMPUTER OPERATION SIDE PNK CAN-L WIRE PNK WIRE PPL/BLK WIRE PPL/BLU WIRE PPL/GRN WIRE PPL/TAN WIRE PPL/VIO WIRE PPL/YEL WIRE RED WIRE RELEASE SIDE (EPB) VIO WIRE WARNING/INDICATOR LIGHTS WHT WIRE YEL WIRE

0412-104 AUTO RETURN SWITCH (AUTO HOLD) BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE C-03 C-06 C-07 C-08 C-09 C-10 C-14 C-46 C-47 CAN-H CLUSTER SWITCH 1 COMPUTER DATA LINES SYSTEM DSC OFF SWITCH ELECTRIC PARKING BRAKE SWITCH ELECTRICAL SUPPLY UNIT EPB FRONT RADAR SENSOR FUSE 16 FUSE 17 FUSE BLOCK (LEFT KICK PANEL) GRN WIRE GRY WIRE HOT AT ALL TIMES ILLUMINATION LIGHT INDICATOR LIGHT (AUTO HOLD) INSTRUMENT CLUSTER J/C C-28 J/C C-45 JOINT BOX 1 LEFT "C" PILLAR) LEFT ELECTRIC PARKING BRAKE MOTOR GEAR UNIT LIN CLUSTER SW LT BLU WIRE MICROCOMPUTER NCA WIRE OPERATION SIDE PNK CAN-L WIRE PNK WIRE PPL IG PPL/BLK WIRE PPL/BLU WIRE PPL/GRN WIRE PPL/TAN WIRE PPL/VIO WIRE PPL/YEL WIRE RED WIRE RELEASE SIDE (EPB) VIO WIRE WARNING/INDICATOR LIGHTS WHT WIRE YEL WIRE

BACKUP LIGHT BLK WIRE BRN WIRE C-20 CAN-H 1 CAN-L 1 COMPUTER DATA LINES SYSTEM ELECTRICAL SUPPLY UNIT FUSE 18 FUSE BLOCK HATCHBACK HOT AT ALL TIMES HS CAN-H HS CAN-L J/C C-65 LEFT LIFTGATE LIGHT LEFT TRUNK LID LIGHT NCA WIRE RED WIRE REVERSE LAMP RIGHT LIFTGATE LIGHT RIGHT TRUNK LID LIGHT SEDAN TCM VIO WIRE WHT WIRE

2.0L 2.5L 2.0L, 2.5L 2.5L TURBO ACCELERATOR PEDAL POSITION SENSOR (ON ACCELERATOR PEDAL ASSEMBLY) APS MAIN APS SUB BCM BLK WIRE BLU WIRE BPS BRAKE SWITCH BRN WIRE C-07 C-13 CAN L COMPUTER DATA LINES SYSTEM CRUISE N ELECTRICAL SUPPLY UNIT ETC N ETC P FUSE 17 FUSE 22 FUSE 53 FUSE BLOCK (LEFT KICK PANEL) GND APSS GND SIG GNDV APSM GRN WIRE GRY WIRE HOT AT ALL TIMES ILL PLUS INSTRUMENT CLUSTER J/C C-39 J/C C-51 LT BLU WIRE LT GRN WIRE MICROCOMPUTER PCM PNK WIRE PPL/LT GRN WIRE RED WIRE RELAY & FUSE BLOCK RELAY 1 ENERGIZED STOP LAMP SW TAN WIRE TPS GND TPS MAIN TPS SUB VIO WIRE VREF APSM VREF APSS VREF TPS WHT WIRE YEL WIRE

ANTI-LOCK BRAKES SYSTEM ANTI-LOCK BRAKES, EXTERIOR LIGHTS SYSTEMS BACKUP +B MONITOR BLK WIRE BRN WIRE C-04 C-13 C-46 C-47 CAN-H 1 CAN-L 1 CARGO LAMP CARGO SW COMPUTER DATA LINES SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS DOOR SW (RL) DOOR SW FL ELECTRICAL SUPPLY UNIT FUSE 17 FUSE 18 FUSE 20 FUSE 21 FUSE 49 FUSE BLOCK GRN WIRE GRY WIRE HMSL HOT AT ALL TIMES INTERIOR LIGHTS, DOOR LOCKS, ANTI-THEFT SYSTEMS J/C C-41 JOINT BOX 1 LT BLU WIRE LT GRN WIRE PNK WIRE PPL/GRY WIRE PPL/TAN WIRE R WIP AS SW RED WIRE RELAY & FUSE BLOCK RELAY 2 ENERGIZED REVERSE LAMP STOP LAMP STOP LAMP SW STOP SIG TAIL LID, LICENSE LAMP TAIL R COMBI LAMP TAN WIRE VIO WIRE VIO/BRN WIRE VIO/GRY WIRE WHT WIRE WIPER/WASHER SYSTEM YEL WIRE

ANTI-LOCK BRAKES SYSTEM ANTI-THEFT SYSTEM AUTO HOLD IND AUTO HOLD SW BLK WIRE BLU WIRE BRN WIRE BURGLAR HORN C-04 C-07 C-08 CAN H P ADAS CAN L P ADAS COMPUTER DATA LINES SYSTEM COUPLING TEMP SENS DOOR LOCKS, ANTI-THEFT SYSTEMS DOOR LOCKS, ANTI-THEFT, TRUNK, TAILGATE, FUEL DOORS SYSTEMS E LATCH MOTOR ELECTRICAL SUPPLY UNIT FUEL LID L FUEL LID UL FUEL SENS MAIN FUEL SENS SUB FUSE 15 FUSE 19 FUSE 22 FUSE BLOCK GND COUPLING TEMP SENS GND FUEL SENS GND OIL TEMP SENS+ GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER SYSTEM INSTRUMENT CLUSTER SYSTEM TRANSMISSIONS SYSTEM J/C C-39 LIN LT BLU WIRE LT GRN WIRE OIL TEMP SENS PNK WIRE R SEAT BELT SW C R SEAT BELT SW L R SEAT BELT SW R R TURN LAMP LH R TURN LAMP RH R WIP MTR RELAY & FUSE BLOCK TRANSMISSIONS SYSTEM VIO WIRE WARNING SYSTEMS WIPER/WASHER SYSTEM YEL WIRE

BACKUP LAMPS CIRCUIT BACKUP LIGHT BLK WIRE BLU WIRE C-20 C-22 C-26 CAN L COMPUTER DATA LINES SYSTEM DRIVER'S SIDE DOOR-ELECTRICAL SUPPLY UNIT ELECTRICAL SUPPLY UNIT GRN WIRE GRY WIRE HATCHBACK HMSL HS CAN-H HS CAN-L ILLUMI GND J/C C-64 LEFT BRAKE LIGHT LEFT LICENSE PLATE LIGHT LEFT REAR COMBINATION LIGHT LEFT REAR TURN LIGHT LEFT SIDE TURN LIGHT LEFT TAILLIGHT LEFT TRUNK LID LIGHT LT BLU WIRE LT GRN WIRE NCA WIRE R TURN LAMP LH R TURN LAMP RH RED WIRE RIGHT BRAKE LIGHT RIGHT LICENSE PLATE LIGHT RIGHT LIFTGATE LIGHT RIGHT REAR COMBINATION LIGHT RIGHT REAR TURN LIGHT RIGHT TAILLIGHT RIGHT TRUNK LID LIGHT SEDAN STOP LAMP STOP LAMP SW TAIL LID, LICENSE LAMP TAIL R COMBI LAMP TAN WIRE TURN VIO WIRE VIO/BRN WIRE VIO/GRY WIRE WHT WIRE YEL WIRE

0140-111 0918-602 0918-605 ACTIVE AIR SHUTTER BACKUP POWER SUPPLY BCM BLK WIRE BLK/YEL WIRE BLOWER RELAY BRAKE FLUID LEVEL SENSOR C-01 C-11 C-12 C-20 C-22 C-26 CARGO COMPARTMENT LIGHT DRIVER'S SIDE DOOR-ELECTRICAL SUPPLY UNIT ELECTRIC AT OIL PUMP ELECTRIC VARIABLE VALVE TIMING MOTOR/ DRIVER ELECTRICAL SUPPLY UNIT EXTERIOR TRUNK LID OPENER SWITCH HATCHBACK HIGH MOUNT BRAKE LIGHT IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 J/C C-29 J/C C-52 KEYLESS RECEIVER KEYLESS RECEIVER SHIELD LEFT FRONT CONTROL UNIT SHIELD LEFT FRONT DOOR LATCH, LOCK ACTUATOR LEFT LICENSE PLATE LIGHT LEFT LIFTGATE LIGHT LEFT REAR COMBINATION LIGHT LEFT TRUNK LID LIGHT LIFTGATE DOOR LOCK SWITCH LIFTGATE LATCH, LOCK ACTUATOR LIFTGATE OPENER SWITCH NCA WIRE PARKING ASSIST UNIT (OPTICAL)/ 360 DEGREE VIEW MONITOR CONTROL MODULE REAR WINDOW DEFOGGER REAR WIPER MOTOR RELAY & FUSE BLOCK RIGHT LIFTGATE LIGHT RIGHT REAR COMBINATION LIGHT RIGHT TRUNK LID LIGHT SEDAN TCM TRUNK COMPARTMENT LIGHT TRUNK LID LATCH, LOCK ACTUATOR WASHER FLUID LEVEL SENSOR

0914-118 BLK WIRE BLU WIRE C-11 C-14 C-20 C-46 C-47 CAN L CAN-H CAN-H 1 CAN-L 1 CARGO SW CLUSTER SWITCH 2 COMPUTER DATA LINES SYSTEM ELECTRICAL SUPPLY UNIT FUEL LID L FUEL LID UL FUEL-FILLER LID LOCK ACTUATOR FUSE 16 FUSE 21 FUSE 22 FUSE BLOCK GRN WIRE GRY WIRE HATCHBACK HOT AT ALL TIMES INDICATOR LIGHTS INSTRUMENT CLUSTER JOINT BOX 1 (LEFT SIDE OF DASH) LIFTGATE LATCH, LOCK ACTUATOR LIFTGATE OPENER SWITCH MICROCOMPUTER NCA WIRE PNK E LATCH MTR WIRE PNK WIRE PPL/GRN WIRE PPL/YEL WIRE RED WIRE RELAY & FUSE BLOCK SEDAN TAN WIRE TRUNK LID LATCH, LOCK ACTUATOR TRUNK LID OPENER SWITCH (EXTERIOR) TRUNK LID OPENER SWITCH (INTERIOR) TRUNK UNLATCH SW WARNING WHT WIRE YEL WIRE

AK CAN H AM CAN L AL 0412-101 BCM BELT SW L PNK BELT SW C WIRE BELT SW R BFLS BLK WIRE BLK/YEL WIRE BLU WIRE BRAKE FLUID LEVEL SENSOR BRN WIRE BUCKLE SW BUZZER C-04 C-08 C-13 C-20 C-22 C-46 C-47 C-61 CAN H AF CAN L CAN-H 1 CAN-L 1 COMPUTER DATA LINES SYSTEM DASH-ELECTRICAL SUPPLY UNIT DOOR SW DRIVER'S SIDE DOOR-ELECTRICAL SUPPLY UNIT DRIVER-SIDE BUCKLE SWITCH DSC HU/CM (RIGHT REAR ENGINE COMPT) ELECTRIC PARKING BRAKE SWITCH ELECTRICAL SUPPLY UNIT F SPEAKER N F SPEAKER P FRONT NOTIFICATION, WARNING SPEAKER FUSE 49 GND SIG AJ GRN WIRE GRY WIRE HATCHBACK IG DCDC AN INSTRUMENT CLUSTER J/C C-41 JOINT BOX 1 KEYLESS RECEIVER LEFT "C" PILLAR) LEFT FRONT CONTROL UNIT LEFT FRONT DOOR LATCH, LOCK ACTUATOR LEFT REAR BUCKLE SWITCH LT BLU WIRE LT GRN WIRE MICROCOMPUTER NCA WIRE OPERATION SIDE (EPB) PNK WIRE PPL/BLU WIRE PPL/GRN WIRE PPL/GRY WIRE PPL/TAN WIRE R SPEAKER N R SPEAKER P REAR CENTER BUCKLE SWITCH REAR NOTIFICATION, WARNING SPEAKER RED WIRE RELAY & FUSE BLOCK RELAY 2 ENERGIZED RELEASE SIDE (EPB) RF PWR RF SIG RIGHT REAR BUCKLE SWITCH RIGHT REAR BUCKLE SWITCH/ REAR CENTER BUCKLE SWITCH TAN WIRE VIO WIRE WARNING/ INDICATOR LIGHTS WHT WIRE YEL WIRE