Mazda 3 BK facelift (2006-2009) microcomputer Wiring diagrams

A/T BACK FUSE BACK-UP LIGHT SWITCH (ON TRANSAXLE) BLK WIRE GRN WIRE GRN/ORG WIRE HOT IN ON OR START J-01 J-05 AE LEFT BACK-UP LIGHT M/T MICROCOMPUTER NAVIGATION SYSTEM NCA WIRE ORG/ WIRE PASSENGER JUNCTION BOX (BEHIND RIGHT SIDE OF DASH) POSITION RIGHT BACK-UP LIGHT SEDAN TRANSAXLE RANGE SWITCH (ON TRANSAXLE) WAGON WHT WIRE

4 DOOR 4 DOOR 5 DOOR 5 DOOR BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLU WIRE CARGO COMPART- MENT LIGHT CARGO COMPARTMENT LIGHT SWITCH GRN WIRE HOT AT ALL TIMES FUSE, RELAY BOX (LEFT REAR OF ENGINE COMPT) INTERIOR LIGHT) J-01 J-05 J-06 J-06 J-06 LEFT LEFT REAR DOOR LATCH SWITCH/ LEFT REAR DOOR LOCK ACTUATOR (IN LEFT REAR DOOR) MAP LIGHT (IF EQUIPPED) MICROCOMPUTER OFF ON DOOR ORG/ WIRE ORG/BLU WIRE ORG/GRN WIRE PASSENGER JUNCTION BOX (BEHIND RIGHT SIDE OF DASH) RED WIRE RIGHT RIGHT REAR DOOR LATCH SWITCH/ RIGHT REAR DOOR LOCK ACTUATOR (IN RIGHT REAR DOOR) ROOM FUSE TRUNK COMPARTMENT LIGHT TRUNK COMPARTMENT LIGHT SWITCH YEL WIRE

2.0L EXCEPT CALIFORNIA 2.0L, 2.3L CALIFORNIA 2.3L EXCEPT CALIFORNIA AC J-03 AUTO HEAD BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/ORG WIRE BLK/PNK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRAKE SWITCH (BEHIND LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CONDENSER (WAGON: NEAR TOP OF TAILGATE) FUSE, RELAY BLOCK (LEFT REAR OF ENGINE COMPT) BTN FUSE GRN WIRE GRN/RED WIRE GRY WIRE GRY/VIO WIRE HAZARD WARNING SWITCH HEADLIGHTS SYSTEM HIGH MOUNT BRAKE LIGHT HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT CLUSTER J-01 J-01 AC J-01 AK J-01 J-05 J-03 J-04 AE AS J-04 J-04 AC J-05 J-05 AK J-05 AS LEFT BRAKE LIGHT LEFT FRONT TURN LIGHT LEFT PARKING LIGHT RIGHT PARKING LIGHT LEFT REAR TURN LIGHT RIGHT REAR TURN LIGHT LEFT TAILLIGHT LEFT TURN IND LICENSE PLATE LIGHT RH LH LEFT FRONT SIDE TURN LIGHT LIGHT SWITCH J-03 PASSENGER JUNCTION BOX (BEHIND RIGHT SIDE OF DASH) METER FUSE MICROCOMPUTER NCA WIRE ORG/ WIRE PASSENGER JUNCTION BLOCK (BEHIND RIGHT SIDE OF DASH) PCM (REAR OF ENGINE COMPT) PNK WIRE RED WIRE RED/YEL WIRE RH LH RIGHT BRAKE LIGHT RIGHT FRONT SIDE TURN LIGHT, RIGHT FRONT TURN LIGHT, RIGHT TAILLIGHT RIGHT TURN IND SEDAN SHIFT INTERLOCK SYSTEM STOP LAMP/ HORN FUSE TAIL R FUSE TAIL L FUSE TNS IND TNS OFF TNS RELAY TURN SWITCH VIO WIRE VIO/ GRY WIRE WAGON WHT WIRE WHT/ BLU WIRE YEL WIRE

AUTO BLK WIRE BLU WIRE BLU/ORG WIRE DISCHARGE TYPE DRL RELAY FOG FUSE FRONT FOG LIGHT RELAY (IN FUSE, RELAY BOX) FRONT FOG LIGHT SWITCH FUSE/ RELAY BOX (LEFT REAR OF ENGINE COMPT) GRN WIRE HALOGEN TYPE HALOGEN TYPE DISCHARGE TYPE HEAD HEAD FUSE DRL FUSE HEAD HIGH L FUSE HEAD HIGH R FUSE HEAD LOW L FUSE HEAD LOW R FUSE HEADLIGHT HIGH RELAY HEADLIGHT LOW RELAY HI LO FLASH- TO- PASS HOT AT ALL TIMES IGNITION SWITCH J-01 J-01 AM J-02 J-03 AP J-03 J-04 AE J-04 AB J-04 J-03 AS LEFT FRONT FOG LIGHT LEFT HIGH HEAD- LIGHT LEFT LOW HEAD- LIGHT LEFT DISCHARGE CONTROL UNIT LEFT LOW HEADLIGHT LIGHT SWITCH TNS OFF LT GRN WIRE MICROCOMPUTER NCA WIRE OFF ORG/ WIRE PARKING BRAKE SWITCH (AT BASE OF PARKING BRAKE LEVER) PASSENGER JUNCTION BOX (BEHIND RIGHT SIDE OF DASH) PNK WIRE RED WIRE RIGHT DISCHARGE CONTROL UNIT RIGHT FRONT FOG LIGHT RIGHT HIGH HEAD- LIGHT RIGHT LOW HEAD- LIGHT RIGHT LOW HEADLIGHT RUN WIRE WHT WIRE YEL WIRE

BLK WIRE BLU WIRE BLU/ORG WIRE DISCHARGE TYPE FOG FUSE FRONT FOG LIGHT RELAY (IN FUSE, RELAY BOX) FRONT FOG LIGHT SWITCH FUSE/ RELAY BOX (LEFT REAR OF ENGINE COMPT) GRN WIRE HALOGEN TYPE HALOGEN TYPE DISCHARGE TYPE HEAD FUSE HEAD HIGH L FUSE HEAD HIGH R FUSE HEAD LOW L FUSE HEAD LOW R FUSE HEAD TNS OFF HEADLIGHT HIGH RELAY HEADLIGHT LOW RELAY HI LO FLASH- TO- PASS AUTO HOT AT ALL TIMES IGNITION SWITCH J-01 J-01 AM J-02 J-03 J-03 AP J-03 J-04 AS J-04 AE LEFT FRONT FOG LIGHT LEFT HIGH HEAD- LIGHT LEFT LOW HEAD- LIGHT LEFT DISCHARGE CONTROL UNIT LEFT LOW HEADLIGHT LIGHT SWITCH MICROCOMPUTER NCA WIRE OFF ORG/ WIRE ORG/WHT WIRE PASSENGER JUNCTION BOX (BEHIND RIGHT SIDE OF DASH) PNK WIRE RED WIRE RIGHT DISCHARGE CONTROL UNIT RIGHT FRONT FOG LIGHT RIGHT HIGH HEAD- LIGHT RIGHT LOW HEAD- LIGHT RIGHT LOW HEADLIGHT RUN WIRE WHT WIRE YEL WIRE

#1 #4 A/T IND AIR BAG IND ANTI-THEFT SYSTEM ANTI-THEFT SYSTEM WARNING SYSTEM BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/LT GRN WIRE BLK/ORG WIRE BLK/YEL WIRE BLU/RED WIRE BLU/WHT WIRE BRAKE FLUID LEVEL SENSOR (IN BRAKE FLUID RESERVOIR) BRAKE IND BRAKE SWITCH 2 (AT TOP OF BRAKE PEDAL) BRN/RED WIRE BUZZER CHARGE IND COMPUTER DATA LINES SYSTEM CONSOLE) CRUISE MAIN IND CRUISE SET IND DIMMER SWITCH DOOR IND DRIVE CIRCUIT SELECTOR INDICATOR DSC IND DSC OFF IND EHPAS IND FAILURE DETECT FUEL GAUGE FUEL GAUGE SENDER UNIT (ON FUEL TANK) FUEL LOW IND FUSE/ RELAY BOX (LEFT REAR OF ENGINE COMPT) GRN/RED WIRE GRY/ORG WIRE GRY/RED WIRE GRY/VIO WIRE HI-BEAM IND HOT AT ALL TIMES HOT IN RUN OR START ILLUM INSTRUMENT CLUSTER J-01 J-03 J-04 J-06 LEFT REAR DOOR LATCH SWITCH/ LEFT REAR DOOR LOCK ACTUATOR (IN LEFT REAR DOOR) LEFT TURN IND METER FUSE MICROCOMPUTER MIL IND NAVIGATION SYSTEM ODOMETER/TRIPMETER OIL IND OIL PRESSURE SWITCH (ON RIGHT REAR SIDE OF ENGINE) ORG/ WIRE ORG/BLK WIRE PARKING BRAKE SWITCH PASSENGER JUNCTION BOX (BEHIND RIGHT SIDE OF DASH) RED WIRE RED/BLK WIRE RED/YEL WIRE RIGHT REAR DOOR LATCH SWITCH/ RIGHT REAR DOOR LOCK ACTUATOR (IN RIGHT REAR DOOR) RIGHT TURN IND ROOM FUSE SEAT BELTS IND SEAT) SECURITY IND SPEEDOMETER TACHOMETER TNS IND TPMS CONTROL MODULE TPMS IND TRIPMETER SWITCH WASHER IND (IF EQUIPPED) WATER TEMPERATURE GAUGE WHT WIRE WHT/GRN WIRE WHT/RED WIRE WIPER/WASHER SYSTEM

AMBIENT TEMPERATURE SENSOR (BEHIND LEFT SIDE OF FRONT FASCIA) BLK/GRN WIRE BLU/YEL WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM FUSE/ RELAY BOX (LEFT REAR OF ENGINE COMPT) GRN/YEL WIRE HOT AT ALL TIMES HOT IN ON OR ACC INFORMATION DISPLAY J-01 J-02 J-03 MICROCOMPUTER MS CAN_H MS CAN_L ORG/ WIRE PASSENGER JUNCTION BOX (PJB) (BEHIND RIGHT SIDE OF DASH) RADIO FUSE RED WIRE ROOM FUSE WHT/BLK WIRE YEL WIRE

#1 #4 A/T IND BLK/BLU WIRE BLK/ORG WIRE BLK/YEL WIRE BLU/WHT WIRE BRAKE SWITCH (BEHIND LEFT SIDE OF DASH) BRN/GRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVE-BY-WIRE RELAY EGI INJ FUSE ENG +B FUSE ENG BAR 1 FUSE ENG BAR 2 FUSE ENG BAR 3 FUSE ENGINE FUSE F/PUMP FUSE FUEL PUMP RELAY FUSE/ RELAY BOX (LEFT REAR OF ENGINE COMPT) GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/VIO WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER J-01 J-05 PASSENGER JUNCTION BOX (PJB) (BEHIND RIGHT SIDE OF DASH) MAIN RELAY MANIFOLD ABSOLUTE PRESSURE SENSOR (NEAR FRONT OF ENGINE COMPT) MICROCOMPUTER MIL IND RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE SELECTOR INDICATOR DRIVE CIRCUIT VARIABLE TUMBLE SHUTTER VALVE SWITCH (AT LEFT REAR OF ENGINE) WHT/GRN WIRE WHT/VIO WIRE

BLK/BLU WIRE BLK/ORG WIRE BLK/YEL WIRE BLU/WHT WIRE BRAKE SWITCH (BEHIND LEFT SIDE OF DASH) BRN/GRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVE-BY-WIRE RELAY EGI INJ FUSE ENG +B FUSE ENG BAR 1 FUSE ENG BAR 2 FUSE ENG BAR 3 FUSE ENGINE FUSE F/PUMP FUSE FUEL PUMP RELAY FUSE/ RELAY BOX GRN/BLK WIRE GRN/BLU WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/VIO WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER J-01 J-05 PASSENGER JUNCTION BOX (PJB) (BEHIND RIGHT SIDE OF DASH) MAIN RELAY MANIFOLD ABSOLUTE PRESSURE SENSOR (NEAR FRONT OF ENGINE COMPT) MICROCOMPUTER MIL IND RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE VARIABLE TUMBLE SHUTTER VALVE SWITCH (AT LEFT REAR OF ENGINE) WHT/GRN WIRE WHT/VIO WIRE

BLK/BLU WIRE BLK/ORG WIRE BLK/WHT WIRE BLU/ORG WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/WHT WIRE BRN/YEL WIRE CAMSHAFT POSITION SENSOR (ON REAR OF ENGINE) COMPUTER DATA LINES SYSTEM CONDENSER (ABOVE CRANKSHAFT PULLEY) CRANKSHAFT POSITION SENSOR (ON FRONT OF ENGINE) FUEL PRESSURE SENSOR GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/RED WIRE GRY/VIO WIRE HOT AT ALL TIMES HOT IN RUN OR START IGNITER IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 INSTRUMENT CLUSTER J-01 J-03 J-05 KNOCK SENSOR (BELOW INTAKE COLLECTOR) LT GRN/BLK WIRE METER FUSE MICROCOMPUTER MIL IND NCA WIRE PASSENGER JUNCTION BOX (PJB) (BEHIND RIGHT SIDE OF DASH) ENGINE FUSE POWER STEERING PRESSURE SWITCH RED WIRE STOP LAMP/ HORN FUSE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WHT/VIO WIRE YEL WIRE YEL/RED WIRE YEL/VIO WIRE