Mazda·Cx3·2020 Mazda CX3·Wiring
Wiring diagram

2020 Mazda CX3 — power distribution

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Power distribution

1 2 1 2 3 4 3 4 24 PIN TYPE 20 PIN TYPE 15A W/O BOSE W/ BOSE 25A B 30A 60A 20A 15A 25A 50A 20A 200A A 30A 50A 200A 15A 40A RELAY & FUSE BLOCK WIPER INT RELAY COOLING FAN RELAY FUEL PUMP RELAY DSC HU/CM BATTERY FUSE BLOCK STARTER GENERATOR EPS CONTROL MODULE AUDIO AMPLIFIER POSITION MEMORY CONTROL MODULE DRIVER-SIDE POWER SEAT SWITCH DRIVER-SIDE SEAT POWER WINDOW MAIN SWITCH/ POWER OUTER MIRROR SWITCH/ LEFT DOOR LOCK SWITCH INTAKE CAMSHAFT POSITION SENSOR MASS AIR FLOW/ INTAKE AIR TEMPERATURE SENSOR 1 A/F SENSOR HO2S CV SOLENOID VALVE SEAT WARMER CONTROL UNIT ELECTRICAL SUPPLY UNIT (ESU) THEFT DETERRENT RELAY (BURGLAR) RELAY & FUSE BLOCK BLUETOOTH UNIT AUDIO UNIT TUNER & AMP UNIT BLU BLU BLU BLU RED RED RED BLU BLU BLU RED WHT NCA NCA VIO BLU GRN LT GRN WHT BLU BLU BLU YEL BLU YEL YEL BLU BLU BLU BLU VIO VIO VIO NCA NCA NCA WHT WHT LT GRN PNK NCA BLK BLK BLK BLK BLK WHT WHT VIO BLK RED LT GRN WHT WHT GRY BLU BLU GRN BLK YEL BLK CABIN+B FUSE WIPER FUSE FUEL PUMP FUSE FAN 3 FUSE ABS/ DSC M FUSE ABS/ DSC S FUSE AUDIO 1 FUSE MAIN FUSE EPAS FUSE STR FUSE MAIN FUSE P WINDOW 2 FUSE AUDIO 2 FUSE SEAT WARM FUSE R WIPER FUSE P SEAT D FUSE (LEFT REAR OF ENGINE COMPT) (LEFT KICK PANEL) (LEFT KICK PANEL) (LEFT REAR OF ENGINE COMPT) C-05 1Y C-04 1A C-05 1C 2T 0920-202B 0920-101A AA 1B 0920-302B 2B 0920-322C 0913-301A 1O C-61 D C-05 1K E C-01 J A C C-05 1G C A C-05 1U A D C-21 2B O M 0940-102B 2R 0912-201A C-15 AO 1L C-20 2B A 0613-102 A 0613-101C 3A B A 3A C-05 1A C A D (IF EQUIPPED) AWD (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) TO INJECTOR FUSE (DIAGRAM 2 OF 6) FROM ENGINE 1 FUSE (DIAGRAM 2 OF 6)
1 2 1 2 2 1 3 4 4 3 4 3 3 4 A W/O BOSE W/ BOSE H W/ COOLANT CONTROL VALVE W/O COOLANT CONTROL VALVE 15A/20A B 30A 15A 10A 15A 25A 7.5A 15A 20A C 40A 40A 15A 15A 40A RELAY & FUSE BLOCK FUEL INJECTOR RELAY COOLING FAN RELAY ELECTRIC VARIABLE VALVE TIMING RELAY CARGO COMPARTMENT LIGHT BCM PCM SUNROOF SWITCH SUNROOF MOTOR ENGINE OIL SOLENOID VALVE EXHAUST CAMSHAFT POSITION SENSOR PCM FORWARD SENSING CAMERA (FSC) IGNITION COIL 3 IGNITION COIL 4 IGNITION COIL 1 IGNITION COIL 2 PCM PURGE SOLENOID VALVE OIL CONTROL VALVE J/C C-45 CD PLAYER CENTER DISPLAY POSITION MEMORY CONTROL MODULE DRIVER-SIDE SEAT INSTRUMENT CLUSTER START STOP UNIT CONNECTIVITY MASTER UNIT INDICATOR UNIT REMOTE ENGINE START (OPTION) CLIMATE CONTROL UNIT AUXILIARY JACK/USB PORT/SD CARD SLOT HUB BCM LF CONTROL UNIT ELECTRICAL SUPPLY UNIT (ESU) REAR WINDOW DEFOGGER RELAY BLOWER RELAY (HEATER) FRONT FOG LIGHT RELAY STEERING WARMER RELAY ELECTRIC VARIABLE VALVE TIMING RELAY BLU RED GRN GRN GRN BLU GRN GRY GRN GRN GRN GRN BLU BLU GRN BRN BRN BLU BLU GRN GRN GRN GRN GRN RED RED BLU BLU RED RED GRN GRN GRN GRN GRN GRN GRN GRN GRN GRN GRN GRN GRN GRN BRN BRN GRN GRN GRN GRN GRN GRN GRN GRN GRN NCA GRN GRN GRN GRN GRN GRN GRN LT GRN LT GRN LT GRN LT GRN RED RED RED WHT BRN WHT WHT GRN GRN GRN GRY LT GRN RED GRN GRY BLU BLU PNK GRN ENG MAIN FUSE ROOM FUSE INJECTOR FUSE ENG+B FUSE SUNROOF FUSE INTERIOR FUSE ENGINE 3 FUSE ENGINE 1 FUSE ENGINE 2 FUSE MAIN RELAY DEFOG FUSE HEATER FUSE FOG FUSE EVVT FUSE ST HEATER FUSE (LEFT REAR OF ENGINE COMPT) (LEFT END OF DASH) 0920-201B 0920-204A 0920-306A F 0140-601B 2A 2B D A B V 0920-301B 2R C-54 D 0920-304A 1H 0920-206A 1L D A A Q C-01 P A 0140-101A 1CK C-04 1H C-11 J B B C B B C-01 C B A A A A 0140-101B 2S 2T 0140-101C 3N B 0922-101A 1U 0940-101A 1B 0940-102B 2P 0940-103A 1A 0913-301A C-69 A C-05 3B 1M A C-08 D C-05 1J H C-04 1J Z D C-11 A C-04 1F J 0140-101B 2O 2K A E A C D C E C D A D (W/O COOLANT CONTROL VALVE) (12-PIN) 7 SPEED MANUAL A/C AUTO A/C 4 SPEED MANUAL A/C (IF EQUIPPED) (IF EQUIPPED) (W/ ADVANCED KEYLESS ENTRY SYSTEM) FROM ABS/ DSC S FUSE (DIAGRAM 1 OF 6) TO PCM (DIAGRAM 6 OF 6) TO HO2S (DIAGRAM 1 OF 6) TO ENG +B2 FUSE (DIAGRAM 3 OF 6)
30A 30A 20A 20A 7.5A D 20A 10A 15A C 15A 7.5A 25A RELAY & FUSE BLOCK HORN RELAY BRAKE LIGHT RELAY A/C RELAY DATA LINK CONNECTOR 2 AFS CONTROL MODULE/ AUTO LEVELING CONTROL MODULE BRAKE SWITCH BRAKE LIGHT UNIT ELECTRIC PARKING BRAKE CONTROL MODULE ELECTRICAL SUPPLY UNIT (ESU) ELECTRICAL SUPPLY UNIT (ESU) BCM ELECTRICAL SUPPLY UNIT (ESU) BACKUP POWER SUPPLY RED RED (OR RED) LT BLU LT GRN WHT LT BLU GRY LT GRN BLU BRN GRY BLU WHT PNK BLU WHT BLU WHT GRY GRY GRY GRY BLU PNK LT GRN WHT BLU GRY BRN BLU GRY GRN WHT GRY PNK LT GRN LT BLU A/C MAG FUSE HORN FUSE STOP FUSE ENG +B2 FUSE D LOCK FUSE HAZARD FUSE EPB R FUSE EPB L FUSE H/L RH FUSE H/L LH FUSE TAIL FUSE (LEFT REAR OF ENGINE COMPT) 1Q C-04 C A 0940-101A 0940-102C I C-06 H E A C-64 H F C-05 1H A E C 0940-102D 0940-102C 4C 3B C-05 1E 1A 3D A C-06 C C C-04 1E A C C (W/O BRAKE LIGHT UNIT) W/ BRAKE LIGHT UNIT (IF EQUIPPED) (W/O AUTO LEVELING SENSOR) W/O BACKUP POWER SUPPLY W/ BACKUP POWER SUPPLY FROM ROOM FUSE (DIAGRAM 2 OF 6) TO IG1 RELAY (DIAGRAM 4 OF 6)
1 2 1 2 3 4 5 3 4 5 J 6 W/O BOSE W/ BOSE W/O COOLANT CONTROL VALVE W/ COOLANT CONTROL VALVE 6 W/O CENTER DISPLAY W/ CENTER DISPLAY F E 30A 15A D G 7.5A 7.5A 15A 7.5A 30A 10A J/C G12 START STOP UNIT RELAY & FUSE BLOCK STARTER RELAY J/C G01 J/C G01 RELAY & FUSE BLOCK STEERING WARMER RELAY TCM ELECTRIC PARKING BRAKE SWITCH AWD CONTROL MODULE DSC HU/CM RIGHT FRONT COMBINATION LIGHT/RIGHT HEADLIGHT LEVELING ACTUATOR/ RIGHT SWIVEL ACTUATOR COMMANDER SWITCH EPS CONTROL MODULE FUEL PUMP RELAY RELAY & FUSE BLOCK LEFT FRONT COMBINATION LIGHT/LEFT HEADLIGHT LEVELING ACTUATOR/ LEFT SWIVEL ACTUATOR POWER WINDOW MAIN SWITCH/ POWER OUTER MIRROR SWITCH/ LEFT DOOR LOCK SWITCH PCM AUDIO UNIT OCCUPANT CLASSIFICATION SENSOR CONTROL MODULE SAS CONTROL MODULE LEFT REAR POWER WINDOW SUB SWITCH BLUETOOTH UNIT TUNER & AMP UNIT RIGHT REAR POWER WINDOW SUB SWITCH RIGHT FRONT POWER WINDOW SUB SWITCH SELECTOR LEVER COMPONENT BRN BRN NCA NCA NCA PNK GRY VIO BLK BLK PNK GRY GRY GRY GRY GRY GRY VIO PNK PNK PNK GRY GRY GRY BLU BLU BLU BLU BLU BLU BLU BLU BLU BLU VIO VIO VIO VIO VIO VIO VIO VIO VIO VIO VIO VIO VIO VIO VIO PNK BLU PNK PNK YEL BLU WHT WHT BLU PNK PNK YEL PNK GRY WHT BLU BLU LT GRN BRN BLU BLU VIO BLK BLK GRN BLU GRY PNK RED YEL PNK TAN WHT LT BLU BLK WHT TAN LT BLU PNK BLU RED BLK GRN GRY PUSH BUTTON START ENG IND (AMBER) (GREEN) AUTO AUTO SWITCH SWITCH RETURN RETURN STATUS IND STATUS IND START/STOP/ IG2 FUSE AT FUSE IG1 RELAY ACC RELAY C/U IG1 FUSE P WINDOW 1 FUSE METER 1 FUSE RADIO FUSE SRS 1 FUSE ENGINE IG1 FUSE (UPPER LEFT CENTER OF DASH) (LOWER LEFT SIDE OF DASH) (LEFT REAR OF ENGINE COMPT) (FRONT OF LEFT FRONT WHEELWELL ON FRAME) (FRONT OF LEFT FRONT WHEELWELL ON FRAME) (LEFT REAR OF ENGINE COMPT) (LEFT REAR OF ENGINE COMPT) A 0920-202B 0920-101A 0140-601B 2F 0613-101A C-04 IG C-16 R 2F C-10 E 0920-302B 2R A K C-07 C K C-02 J A AB C-04 11 1R C-18 A C-17 A C-15 AP C C C 0912-201A 1K C-05 1W C-04 1K A A 0140-101B 2H C-10 B 3B 0810-101B C-10 A 2AD I C-04 10 1F G G 1P C-04 1T A E C D C D E A 1AE 1H 1AC 2C 2J 2S 2W 0940-103B 0940-103A 1I 1M 1K J F H D B A C E I G D 20 PIN 24 PIN (IF EQUIPPED) G12 G01 G01 FROM H/L RH FUSE (DIAGRAM 3 OF 6) TO SUB RELAY (DIAGRAM 6 OF 6) TO MIRROR FUSE (DIAGRAM 5 OF 6) TO ELECTRICAL SUPPLY UNIT (ESU) (DIAGRAM 5 OF 6) TO SUNROOF MOTOR (DIAGRAM 5 OF 6)
1 2 1 2 4 4 3 3 4 3 5 5 7 6 9 8 9 8 9 8 AUTOMATIC A/C 9 W/O BOSE W/ BOSE 8 7 7 SPEED MANUAL A/C 4 SPEED MANUAL A/C 6 F E W/O ELECTRIC PARKING BRAKE W/ ELECTRIC PARKING BRAKE W/O AUTO LEVELING SENSOR W/ AUTO LEVELING SENSOR 7.5A G 7.5A 15A FUSE BLOCK BCM AFS CONTROL MODULE/ AUTO LEVELING CONTROL MODULE J/C C-35 BACKUP POWER SUPPLY J/C C-45 CENTER DISPLAY SHIFT PANEL (INDICATOR) INSTRUMENT CLUSTER POSITION MEMORY CONTROL MODULE DRIVER-SIDE SEAT ELECTRICAL SUPPLY UNIT (ESU) INDICATOR UNIT WIPER INT RELAY WIPER HI RELAY SHIFT PANEL (INDICATOR) RELAY & FUSE BLOCK START STOP UNIT POWER WINDOW MAIN SWITCH/ POWER OUTER MIRROR SWITCH LEFT DOOR LOCK SWITCH CD PLAYER CONNECTIVITY MASTER UNIT AUXILIARY JACK/USB PORT/SD CARD SLOT HUB J/C C-73 START STOP UNIT RIGHT BLIND SPOT MONITORING (BSM) CONTROL MODULE SEAT WARMER CONTROL UNIT A/C RELAY RELAY & FUSE BLOCK FORWARD SENSING CAMERA (FSC) ELECTRIC PARKING BRAKE CONTROL MODULE AWD CONTROL MODULE HUMIDITY SENSOR/ AUTO LIGHT SENSOR/ RAIN SENSOR LEFT BLIND SPOT MONITORING (BSM) CONTROL MODULE AUTO DIMMING REAR VIEW MIRROR LASER SENSOR RADAR UNIT CLIMATE CONTROL UNIT SUNROOF MOTOR TCM RIGHT DOOR LOCK SWITCH LT GRN LT GRN PNK PNK PNK YEL PNK LT GRN PNK VIO NCA PNK PNK PNK PNK PNK PNK BRN BRN BRN BRN BRN BRN BRN BRN BRN NCA PNK PNK BRN PNK BRN BRN BRN BRN BRN BRN BRN BRN BRN BRN BRN BRN BRN BRN BRN BRN BRN BRN BRN BRN BRN BRN BRN BRN LT GRN LT GRN LT GRN LT GRN LT GRN LT GRN LT GRN LT GRN NCA LT GRN LT GRN LT GRN LT GRN LT LT GRN GRN NCA LT GRN WHT VIO BLU WHT WHT PNK WHT BLU BLK AT IND FUSE MIRROR FUSE F OUTLET FUSE ACCESSORY SOCKET (LEFT KICK PANEL) (UNDER CENTER CONSOLE) (LEFT END OF DASH) (UPPER RIGHT CENTER OF DASH) (LEFT REAR OF ENGINE COMPT) (LEFT REAR OF ENGINE COMPT) B D X 0920-201B 0920-206A 0920-306A 0920-204A 0922-101A C-08 J C-54 C 0920-301B 2Q 0920-304A 1G 1K C-07 F A 0940-103A 1E C-15 AN 2M C-08 C Y R C-08 Q I I C-23 A I C-21 4B C-10 D A C-11 C C-04 1L D O 1B I A J C-16 N C-09 L A E E C-02 I C C-11 D C-04 1N A E A 1S 0940-101C 0913-301A C-69 B 1G 0940-102A C-07 D 1H B C-04 1M E E 30 A C-08 A B C (IF EQUIPPED) (IF EQUIPPED) (IF EQUIPPED) (W/ SMART BRAKE SUPPORT) (10-PIN) (W/ AUTO WIPER SYSTEM) (IF EQUIPPED) G11 FROM METER 1 FUSE (DIAGRAM 4 OF 6) FROM ACC RELAY BLOCK (DIAGRAM 4 OF 6) FROM C/U IG1 FUSE (DIAGRAM 4 OF 6)
J 15A 15A 15A H 30A PCM RELAY & FUSE BLOCK ELECTRIC VARIABLE VALVE TIMING RELAY COOLING FAN RELAY J/C G01 INTAKE CAMSHAFT POSITION SENSOR A/F SENSOR HO2S IGNITION COIL 1 IGNITION COIL 4 IGNITION COIL 2 IGNITION COIL 3 EXHAUST CAMSHAFT POSITION SENSOR ENGINE OIL SOLENOID VALVE CV SOLENOID VALVE OIL CONTROL VALVE PURGE SOLENOID VALVE FORWARD SENSING CAMERA (FSC) GRN GRN GRN GRN GRN RED GRN GRN GRN GRN GRN GRN GRN GRN GRN GRN GRN GRN RED RED RED RED BLU BLU BLK BLK BLU BLU BLU BLU BLU BLU BLU BLU BLU BLU BLU BLK BLU BLU BLU BLU BLU BLU BRN ENG SUB FUSE ENGINE 4 FUSE ENGINE 3 FUSE ENGINE 2 FUSE SUB RELAY (LEFT REAR OF ENGINE COMPT) (FRONT OF LEFT FRONT WHEELWELL ON FRAME) C-01 B A A A A P C C-05 1K J A C C A C-04 1H C-11 J B B C-61 D C-05 1G A C-01 C A B B E A C D 0140-601B 2BO 2BR (W/ COOLANT CONTROL VALVE) AWD (IF EQUIPPED) (12-PIN) G01 FROM MAIN RELAY (DIAGRAM 2 OF 6) FROM IG1 RELAY (DIAGRAM 4 OF 6)