Mazda 3 BP (2019-2024) (under driver's seat) Wiring diagrams

0517-101 0518-102 ACCESSORY SOCKET BATTERY BCM BLK WIRE BLK/YEL WIRE C-01 C-14 C-19 C-59 C-60 C-61 C-62 C-66 C-69 C-70 DRIVE SELECTION SWITCH DRIVER SIDE SEAT CUSHION FILAMENT DRIVER-SIDE BUCKLE SWITCH DRIVER-SIDE SEAT DSC HU/CM HATCHBACK J/B 3 J/C C-58 J/C C-68 LEFT REAR SIDE RADAR SENSOR LUMBAR SUPPORT SWITCH NCA WIRE PARKING ASSIST UNIT PASSENGER SIDE SEAT CUSHION FILAMENT PASSENGER-SIDE SEAT POSITION MEMORY CONTROL MODULE/ SEAT WARMER CONTROL UNIT POWER SEAT SWITCH REAR WINDOW DEFOGGER REMOTE ENGINE START (OPTION) REMOTE TUNER (RT) RIGHT REAR BUCKLE SWITCH/ REAR CENTER BUCKLE SWITCH RIGHT REAR SIDE RADAR SENSOR SEAT WARMER CONTROL UNIT SEDAN SELECTOR LEVER COMPONENT SHIFT PANEL (INDICATOR) TCM W/ BLIND SPOT MONITORING (BSM) SYSTEM W/ PARKING SENSOR SYSTEM W/O BLIND SPOT MONITORING (BSM) SYSTEM W/O PARKING SENSOR SYSTEM

BLK WIRE BLU WIRE C-06 C-21 C-61 C-62 COMPUTER DATA LINES SYSTEM DRIVER SIDE SEAT BACK FILAMENT DRIVER SIDE SEAT CUSHION FILAMENT DRIVER-SIDE SEAT FUSE 14 FUSE 49 GND SH GND SIG GND SSR GRN WIRE GRY WIRE HEATER 1 HEATER 2 HOT AT ALL TIMES HOT W/ LIN NCA WIRE PASSENGER SIDE SEAT BACK FILAMENT PASSENGER SIDE SEAT CUSHION FILAMENT PASSENGER-SIDE SEAT POSITION MEMORY CONTROL MODULE/ SEAT WARMER CONTROL UNIT RELAY & FUSE BLOCK TAN WIRE THERM 1 THERM 2 YEL WIRE

BLK WIRE BLU WIRE C-06 C-21 C-61 C-62 COMPUTER DATA LINES SYSTEM DRIVER SIDE SEAT BACK FILAMENT DRIVER SIDE SEAT CUSHION FILAMENT DRIVER-SIDE SEAT FUSE 14 FUSE 49 GND SH GND SIG GND SSR GRY WIRE HEATER 1 HEATER 2 HOT AT ALL TIMES HOT W/ LIN LT BLU WIRE NCA WIRE PASSENGER SIDE SEAT BACK FILAMENT PASSENGER SIDE SEAT CUSHION FILAMENT PASSENGER-SIDE SEAT RELAY & FUSE BLOCK SEAT WARMER CONTROL UNIT THERM 1 THERM 2 WHT WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE C-08 C-22 C-24 CAN L CLUSTER SWITCH 1 COMPUTER DATA LINES SYSTEM DOOR DOOR SW DRIVER'S SIDE DOOR-ELECTRICAL SUPPLY UNIT DSC OFF SWITCH ELECTRIC PARKING BRAKE SWITCH FUEL GAUGE SENDER UNIT (MAIN) FUEL GAUGE SENDER UNIT (SUB) FUEL SENDER UNIT FUEL SENS GRN WIRE GRY WIRE I-ACTIVE SENSE SWITCH I-STOP OFF SWITCH J/C C-39 J/C C-45 J/C C-51 J/C C-53 LEFT FRONT DOOR LATCH, LOCK ACTUATOR LEFT REAR DOOR LATCH, LOCK ACTUATOR LT BLU WIRE LT GRN WIRE MAIN MONITOR SWITCH OPERATION SIDE (EPB) PARKING OFF SENSOR SWITCH PNK AWD WIRE PNK WIRE PPL/BLU WIRE PPL/WHT WIRE RED WIRE RELEASE SIDE (EPB) SUB + VIO WIRE WHT WIRE

0922-302 BFLS AF BLK WIRE BLK/YEL WIRE BLU WIRE BRAKE FLUID LEVEL SENSOR BRN WIRE C-16 C-23 C-25 CAN L CBCM COMPUTER DATA LINES SYSTEM DOOR DSC HU/CM ENGINE CONTROLS SYSTEM ENGINE OIL PRESSURE SENSOR/ENGINE OIL TEMPERATURE SENSOR GND 6 GRN WIRE GRY WIRE IG DCDC INDICATOR UNIT (TOP CENTER OF WINDSHIELD) J/C C-29 J/C C-51 J/C C-52 LIN LT BLU WIRE MIRRORS SYSTEM OILP PASSENGER'S SIDE DOOR-ELECTRICAL SUPPLY UNIT PCM PNK WIRE R DOOR SW RED WIRE REVERSE RIGHT FRONT DOOR LATCH, LOCK ACTUATOR RIGHT REAR DOOR LATCH, LOCK ACTUATOR SEC IND THOIL VIO WIRE VREF 4 WHT WIRE

0914-118 BACKUP B+ MON BACKUP POWER SUPPLY (IF EQUIPPED) (UNDER DRIVER'S SEAT) BLK WIRE BLU WIRE BRN WIRE C-04 C-11 C-13 C-20 C-22 C-23 C-24 C-25 CAN-H 1 CAN-L 1 CARGO LAMP CARGO SW COMPUTER DATA LINES SYSTEM DOOR DOOR SW (RL) DOOR SW FL DRIVER'S SIDE DOOR-ELECTRICAL SUPPLY UNIT E LATCH MOTOR ELECTRICAL SUPPLY UNIT (LEFT SIDE OF LUGGAGE COMPT) FUEL LID L FUEL LID UL FUEL-FILLER LID LOCK ACTUATOR FUSE 48 GRN WIRE GRY WIRE HATCHBACK HOT W/ IGN 2 RELAY ENERGIZED J/C C-41 J/C C-51 J/C C-52 LATCH) LEFT REAR DOOR LATCH, LOCK ACTUATOR LIFTGATE DOOR LOCK SWITCH (HATCHBACK) LIFTGATE LATCH, LOCK ACTUATOR LIFTGATE OPENER SWITCH LOCK LT BLU WIRE LT GRN WIRE NCA WIRE PASSENGER'S SIDE DOOR-ELECTRICAL SUPPLY UNIT PNK WIRE PPL/LT GRN WIRE RED WIRE RELAY & FUSE BLOCK RIGHT REAR DOOR LATCH, LOCK ACTUATOR SEDAN TAN WIRE TRUNK LID LATCH, RELEASE ACTUATOR UNLOCK VIO WIRE W/ ADVANCE KEYLESS ENTRY SYSTEM WHT WIRE YEL WIRE

+B AF AK CAN H AM CAN L B+ (ILL +) BLK WIRE BLU WIRE BRN WIRE BUZZER C-14 C-22 C-23 C-46 JOINT BOX 1 C-47 CAN L CDL+ CLUSTER B SIG COMPUTER DATA LINES SYSTEM D/L L D/L UL DOOR DOOR SW (OUT) DOOR SW IN DRIVER'S SIDE DOOR-ELECTRICAL SUPPLY UNIT GRN WIRE GRY WIRE ILL 4 ILL PLUS ILL+ GND INSTRUMENT CLUSTER INTERIOR TRUNK LID OPENER SWITCH J/C C-45 LATCH) LEFT DOOR LOCK SWITCH LEFT FRONT DOOR LATCH, LOCK ACTUATOR LL SW L LL SW UL LOCK LT BLU WIRE LT GRN WIRE MICROCOMPUTER ORG/ WIRE PASSENGER'S SIDE DOOR-ELECTRICAL SUPPLY UNIT PNK WIRE PPL/LT GRN WIRE RED WIRE RIGHT DOOR LOCK SWITCH RIGHT FRONT DOOR LATCH, LOCK ACTUATOR SW GND UNLOCK VIO WIRE WHT WIRE YEL WIRE

0920-134 0920-135 BLK WIRE BLU WIRE BRN WIRE C-14 CAN L CENTER DISPLAY COMMANDER SWITCH COMPUTER DATA LINES SYSTEM CONNECTIVITY MASTER UNIT DATA P GMSL IN CAMERA GMSL OUT DISP GNSS GPS ANTENNA GRN WIRE GRY WIRE IN N IN P J/C C-41 (LEFT SIDE OF DASH) J/C C-42 (LEFT CENTER OF DASH) LT BLU WIRE LT GRN WIRE MOST IN N MOST IN P NCA WIRE OUT OUT N OUT P PARKING ASSIST UNIT (OPTICAL)/ 360 DEGREE VIEW MONITOR CONTROL MODULE PNK WIRE PPL/VIO WIRE PWR PWR CTRL OUT +B REAR MOUNT CAMERA RED WIRE UART USB PORT USB PORT/SD CARD SLOT HUB V BUS DATA N VIO WIRE W/ PARKING ASSIST UNIT W/ TELEMATICS COMMUNICATION SYSTEM W/O PARKING ASSIST UNIT W/O TELEMATICS COMMUNICATION SYSTEM WHT WIRE YEL WIRE

0920-134 0920-135 BLK WIRE BLU WIRE BRN WIRE C-14 CAN L CENTER DISPLAY COMMANDER SWITCH COMPUTER DATA LINES SYSTEM CONNECTIVITY MASTER UNIT DATA P GMSL IN CAMERA GMSL OUT DISP GNSS GPS ANTENNA GRN WIRE GRY WIRE IN N IN P J/C C-41 (LEFT SIDE OF DASH) J/C C-42 (LEFT CENTER OF DASH) LT BLU WIRE LT GRN WIRE MOST IN N MOST IN P NCA WIRE OUT OUT N OUT P PARKING ASSIST UNIT (OPTICAL)/ 360 DEGREE VIEW MONITOR CONTROL MODULE PNK WIRE PPL/VIO WIRE PWR PWR CTRL OUT +B REAR MOUNT CAMERA RED WIRE UART USB PORT USB PORT/SD CARD SLOT HUB V BUS DATA N VIO WIRE W/ PARKING ASSIST UNIT W/ TELEMATICS COMMUNICATION SYSTEM W/O PARKING ASSIST UNIT W/O TELEMATICS COMMUNICATION SYSTEM 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