Ford Focus III (2011-2015) computer data lines system Wiring diagrams

1 2 3 4 5 6 7 8 9 LT RR PARK LIGHT 10 11 12 RT RR TURN 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 IP SW ILL 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 PATS GND 4 5 6 7 8 9 10 LIN (LSM) 51 52 53 54 55 56 57 58 59 60 EVENT NOTIFICATION SIG AIR CONDITIONING SYSTEM ANTI-THEFT SYSTEM AUTO LAMPS BLK WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BODY CONTROL MODULE (BCM) (LOWER RIGHT SIDE OF DASH) BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/YEL WIRE BTSI CHMSL COMPUTER DATA LINES SYSTEM CPLXX DEFOGGER SYSTEM DEFROSTER SW DR LOCK CTRL SW ILL DR LOCK CTRL SW IND 11 12 13 EXTERIOR LIGHTS SYSTEM DEFOGGER SYSTEM GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/ORG WIRE GRN/VIO WIRE GRY/BLU WIRE GRY/ORG WIRE HEADLIGHTS SYSTEM HORN HORNS SYSTEM HS CAN + HS CAN - EVAP TEMP SNS INSTRUMENT CLUSTER SYSTEM K LINE LICENSE PLATE LIGHT RWDRC LIN 1 LT RR TURN LT STOP LAMP MICRO - PARK BRAKE SW PATS RX PATS TX POWER DISTRIBUTION SYSTEM REAR WINDOW DEFROSTER IND RED WIRE RR DOOR AJAR RT STOP LAMP SHIFT INTERLOCK SYSTEM SIG SW/HAZARD WARNING SIGRTN STARTING/CHARGING SYSTEM HEADLIGHTS SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TRUNK LIFTGATE RELEASE SW TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO/BRN WIRE VIO/GRN WIRE VIO/GRY WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/VIO WIRE WHT/YEL WIRE WIPER LIMP HOME SW WIPER/WASHER SYSTEM WIPER/WASHER, HEADLIGHTS, EXTERIOR LIGHTS SYSTEMS YEL WIRE YEL/GRY WIRE YEL/ORG WIRE YEL/VIO WIRE

1 2 3 4 5 6 7 8 9 10 LT FT PARK LIGHT 12 13 14 15 16 17 18 19 20 21 CLUTCH BOT FLUID LEVEL SWITCH 12 13 LEFT TURN SIG 12 13 RELEASE RELAY 22 23 24 25 26 27 28 29 30 31 32 33 RT FT TURN SIG AIR CONDITIONING SYSTEM ALL LOCK RLY 2 3 PWR GND MICRO ANTI-THEFT, DOOR LOCKS SYSTEMS INTERIOR LIGHTS SYSTEMS BATTERY JUNCTION BOX (BJB) (LEFT SIDE OF ENGINE COMPT) BLK/GRY WIRE BLOWER MOTOR RLY CTRL BLU WIRE BLU/GRN WIRE BLU/ORG WIRE BLU/RED WIRE BODY CONTROL MODULE (BCM) BRAKE FLUID SW BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS EVENT SIG EXTERIOR LIGHTS SYSTEM INSTRUMENT CLUSTER SYSTEM FUSE FUSE 61 SPARE RELAY FUSE 78 FUSE 86 FUSE 71 2 3 FUSE 62 FUSE 62 FUSE 67 FUSE 69 FUSE 85 FUSE 72 FUSE 73 FUSE 73 REAR WASHER RELAY FOG LAMP RELAY FOG LAMP RELAY FRONT WASHER RELAY FUSE 79 FUSE 80 FUSE 59 REVERSING LAMP RELAY INTERIOR LIGHT RELAY FUSE 81 SWITCH ILL FUSE 85 FUSE 60 REVERSING LAMP RELAY REVERSING LAMP RELAY GRN WIRE GRN/BRN WIRE GRN/RED WIRE GRN/VIO WIRE GRY WIRE GRY/BRN WIRE GRY/ORG WIRE GRY/RED WIRE GRY/VIO WIRE HEADLIGHTS SYSTEM HIGH BEAM RELAY HIGH BEAM RELAY HOOD AJAR SWITCH STOP LIGHT SWITCH FLUID LEVEL SWITCH HORN RLY CTRL PCM WAKE UP SPLY HORNS SYSTEM ENGINE CONTROLS SYSTEM HOT AT ALL TIMES HIGH CURRENT BATTERY JUNCTION BOX (BJB) HOT W/ IGNITION RELAY ENERGIZED IGN RLY CTRL 15 16 17 18 MICRO INSTRUMENT CLUSTER SYSTEM POWER DISTRIBUTION SYSTEM INSTRUMENT CLUSTER, INTERIOR LIGHTS SYSTEMS INTERIOR LIGHT DIMMING K LINE LIN LOGIC GND MEGA FUSE 4 MEGA FUSE 9 MICRO - MICRO LOW BEAM LOW BEAM MIRRORS SYSTEM WIPER/WASHER SYSTEM MS CAN - MS CAN + LIN 8 ORG/BLK WIRE POWER DISTRIBUTION SYSTEM POWER DISTRIBUTION SYSTEM (NOT USED) POWER DISTRIBUTION SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM AIR CONDITIONING SYSTEM RED WIRE RT FT PARK LIGHT STARTING/CHARGING SYSTEM WIPER/WASHER SYSTEM STARTING/CHARGING, WIPER/WASHER SYSTEMS TRUNK, TAILGATE, FUEL DOORS SYSTEM VBATT VBATT VIO WIRE VIO/GRN WIRE VIO/ORG WIRE VIO/RED WIRE WHT/BRN WIRE WHT/ORG WIRE WHT/RED WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/BLU WIRE YEL/RED WIRE YEL/VIO WIRE

BATTERY JUNCTION BOX (BJB) (LEFT SIDE OF MOTOR COMPT) BLK/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ELECTRONICS ENGINE COOLING FAN MOTOR (LEFT FRONT OF MOTOR COMPT) ENGINE COOLING FAN RELAY EV HS CAN - FAN CONTROL VARIABLE FCV FUSE 32 GRN/RED WIRE GRY/RED WIRE HIGH CURRENT BATTERY JUNCTION BOX (LEFT SIDE OF MOTOR COMPT) HOT AT ALL TIMES HOT IN ON OR START MEGA FUSE 8 NCA WIRE POWER DISTRIBUTION SYSTEM POWERTRAIN CONTROL MODULE (PCM) (FRONT OF LEFT FRONT WHEELWELL) PWR VIO WIRE VIO/GRY WIRE WHT WIRE WHT/BLU WIRE

1 2 PWR GND 2.0L 2.0L (2.0L TURBO) (NEAR BREAKOUT TURBO 33 12 34 12 SIG RTN ECT BATTERY JUNCTION BOX (BJB) (LEFT SIDE OF ENGINE COMPT) BLK WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM ELECTRONICS ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE (ECT) SENSOR (RIGHT REAR OF ENGINE) ENGINE COOLING FAN MOTOR (RADIATOR ASSEMBLY) ENGINE COOLING FAN RELAY FAN CONTROL VARIABLE FUSE 32 FUSE 35 GRN WIRE GRY WIRE GRY/RED WIRE HIGH CURRENT BATTERY JUNCTION BOX HOT AT ALL TIMES HOT IN ON OR START HOT IN START OR RUN HS CAN+ LIN LIN GRILLE SHUTTER ACTUATOR FCV MEGA FUSE 8 NCA WIRE ORG/ WIRE POWER DISTRIBUTION SYSTEM POWERTRAIN CONTROL MODULE (PCM) (REAR OF ENGINE) RED WIRE STARTING/ CHARGING SYSTEM VIO WIRE VIO/ORG WIRE VPWR WHT WIRE YEL WIRE YEL/ORG WIRE

1 4 5 14 VBATT HS CAN+ HS CAN- PWR GND 42 43 EVHS CAN+ EVHS CAN- 49 48 APPRTN 54 41 29 24 50 HS CAN+ HS CAN- BPP BPS APPVREF 7 8 HS CAN+ HS CAN- ACCELERATOR PEDAL POSITION SENSOR (TOP OF ACCELERATOR PEDAL ASSEMBLY) ANTI-LOCK BRAKES SYSTEM (ABS) MODULE (LEFT REAR CORNER OF MOTOR COMPT) APP BATTERY JUNCTION BATTERY JUNCTION BOX (BJB) (LEFT SIDE OF MOTOR COMPT) BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BLU/ORG WIRE BLU/WHT WIRE BODY CONTROL BODY CONTROL MODULE (BCM) (LOWER RIGHT SIDE OF DASH) BRN WIRE BRN/GRN WIRE CLOCK- SPRING COMPUTER DATA LINES SYSTEM CRUISE GND CRUISE SIG 2 CRUISE SIG 1 FUSE 21 FUSE 7 BOX (BJB) (LEFT SIDE OF MOTOR COMPT) FUSE 72 MODULE (BCM) (LOWER RIGHT SIDE OF DASH) GRN WIRE GRN/ORG WIRE GRN/RED WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE HOT AT ALL TIMES LEFT FRONT WHEEL SPEED SENSOR (LEFT FRONT WHEEL HUB ASSEMBLY) LEFT LOWER STEERING WHEEL SWITCH LEFT REAR WHEEL SPEED SENSOR (LEFT REAR WHEEL HUB ASSEMBLY) NCA WIRE ON OFF POWERTRAIN CONTROL MODULE (PCM) (FRONT OF LEFT FRONT WHEELWELL) RESET/ CANCEL RIGHT FRONT WHEEL SPEED SENSOR (RIGHT FRONT WHEEL HUB ASSEMBLY) RIGHT REAR WHEEL SPEED SENSOR (RIGHT REAR WHEEL HUB ASSEMBLY) SET- STEERING ANGLE SENSOR MODULE (SASM) (TOP OF STEERING COLUMN) STOP LIGHT SW VIO WIRE VIO/GRN WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/ORG WIRE WHT/RED WIRE YEL WIRE YEL/GRN WIRE YEL/ORG WIRE YEL/RED WIRE

34 35 HS CAN+ HS CAN- 36 38 36 38 APPRTN 7 8 HS CAN+ HS CAN- A/T APP BATTERY JUNCTION BOX (BJB) (LEFT SIDE OF ENGINE COMPT) BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/ORG WIRE BLU/WHT WIRE BODY CONTROL BODY CONTROL MODULE (BCM) BRN WIRE BRN/GRN WIRE CLOCKSPRING CLUTCH BOT CLUTCH PEDAL SW BPP COMPUTER DATA LINES SYSTEM CRUISE SIG 1 ELECTRONIC THROTTLE CONTROL (ETC) MODULE (LEFT REAR OF ENGINE) ETCREF ETCRTN FUSE 72 MODULE (BCM) GRN WIRE GRN/ORG WIRE GRN/RED WIRE GRN/VIO WIRE GRY WIRE GRY/ORG WIRE HOT AT ALL TIMES HOT AT ALL TIMES BATTERY FUSE 21 JUNCTION BOX (BJB) (LEFT SIDE OF ENGINE COMPT) HS CAN + HS CAN - LEFT LOWER STEERING WHEEL SWITCH M/T NCA WIRE ORG/ WIRE OUTPUT SHAFT SPEED (OSS) SENSOR (REAR OF P/N SW/ CLUTCH 2 P/N SW/CLUTCH 2 (OR CPP) 16 53 16 53 BPS APPVREF POWERTRAIN CONTROL EXCEPT TURBO MODULE (PCM) TURBO (REAR OF ENGINE) RED WIRE STOP LIGHT SW TACM- TACM+ TRANSMISSION TRANSMISSION CONTROL MODULE (TCM) VBATT HS CAN - HS CAN + PWR GND VIO WIRE VIO/GRN WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/RED WIRE YEL/GRN WIRE YEL/ORG WIRE YEL/VIO WIRE

1 13 18 7 MS CAN+ MS CAN- MIRR GND HTD MIRR 13 2 GND VBATT 40 41 3 MS CAN - MS CAN + LOGIC GND 45 2 RWD SWITCH RWD IND BLK WIRE BLK/GRY WIRE BLK/VIO WIRE BLU WIRE BLU/GRY WIRE BODY CONTROL MODULE (LOWER RIGHT SIDE OF DASH) BRN WIRE BRN/BLU WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DRIVER DOOR MODULE (DDM) FUSE 10 FUSE 4 FUSE 5 GRN/BLU WIRE GRN/VIO WIRE GRY/ORG WIRE HOT AT ALL TIMES LEFT EXTERIOR REAR VIEW MIRROR MICRO - NCA WIRE PASSENGER AIR BAG DEACTIVATION (PAD) INDICATOR/DEFROST SWITCH PASSENGER DOOR MODULE (DDM) REAR JUNCTION BOX (RJB) REAR WINDOW DEFROST GRID REAR WINDOW DEFROST RELAY RED WIRE RIGHT EXTERIOR REAR VIEW MIRROR RWDR CTRL VIO/GRN WIRE VIO/ORG WIRE W/ REAR VIEW CAMERA WHT WIRE WHT/ORG WIRE YEL WIRE

1 13 18 7 MS CAN+ MS CAN- MIRR GND HTD MIRR 13 2 GND VBATT 4 DOOR 40 41 3 MS CAN - MS CAN + LOGIC GND 45 2 RWD SWITCH RWD IND 5 DOOR BATTERY JUNCTION BOX (BJB) BLK WIRE BLK/GRY WIRE BLK/VIO WIRE BLU WIRE BODY CONTROL MODULE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DRIVE DOOR MODULE (DDM) FUSE 23 FUSE 4 FUSE 47 FUSE 5 FUSE 9 GRN WIRE GRN/BLU WIRE GRN/ORG WIRE GRN/VIO WIRE GRY/ORG WIRE HOT AT ALL TIMES ISOLATOR LEFT EXTERIOR REAR VIEW MIRROR MICRO - NCA WIRE PASSENGER AIR BAG DEACTIVATION (PAD) INDICATOR/DEFROST SWITCH PASSENGER DOOR MODULE (DDM) REAR WINDOW DEFROST GRID REAR WINDOW DEFROST RELAY RED WIRE RIGHT EXTERIOR REAR VIEW MIRROR RWDR CTRL VIO/GRN WIRE VIO/ORG WIRE W/ DOOR MODULE W/ RVC W/O DOOR MODULE WHT WIRE WHT/ORG WIRE YEL WIRE

1 2 3 HS CAN + HS CAN - VPWR 1 2 VBATT PWR GND BATTERY JUNCTION BOX (BJB) (LEFT SIDE OF MOTOR COMPT) BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM FUSE GRN WIRE HIGH CURRENT BATTERY JUNCTION BOX (BJB) (LEFT SIDE OF MOTOR COMPT) HOT AT ALL TIMES HOT W/ IGNITION RELAY ENERGIZED MEGA 1 FUSE MOTOR POWER STEERING CONTROL MODULE (PSCM) (RIGHT REAR OF MOTOR COMPT) WHT WIRE WHT/BLU WIRE

1 2 3 HS CAN + HS CAN - VPWR 1 2 VBATT PWR GND BATTERY JUNCTION BOX (BJB) (LEFT SIDE OF ENGINE COMPT) BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM FUSE GRN WIRE HIGH CURRENT BATTERY JUNCTION BOX (BJB) HOT AT ALL TIMES HOT W/ IGNITION RELAY ENERGIZED MEGA 1 FUSE MOTOR POWER STEERING CONTROL MODULE (PSCM) WHT WIRE WHT/BLU WIRE