Ford Focus ST III facelift (2015-2018) computer data lines system Wiring diagrams

BATTERY JUNCTION BOX (BJB) BLK/YEL WIRE COMPUTER DATA LINES SYSTEM ELECTRONICS ENGINE COOLING FAN MOTOR ENGINE COOLING FAN RELAY EV HS CAN - FAN CONTROL VARIABLE FCV FUSE 32 GRN/RED WIRE GRY/RED WIRE HIGH CURRENT BATTERY JUNCTION BOX HOT AT ALL TIMES HOT W/ PCM POWER RELAY ENERGIZED MEGA FUSE 8 NCA WIRE ON BATTERY) POWERTRAIN CONTROL MODULE (PCM) PWR VIO WIRE VIO/GRY WIRE WHT WIRE WHT/BLU WIRE

2.0L 2.0L TURBO 1.0L TURBO 2.0L, 2.0L TURBO BATTERY JUNCTION BOX (BJB) BLK WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/WHT WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM ECT ECT GND (OR SIGRTN) ELECTRONICS ENGINE COOLING FAN MODULE ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE (ECT) SENSOR ENGINE COOLING FAN RELAY FAN CONTROL VARIABLE FCV FAN (PWM) FUSE 32 FUSE 36 GRILLE SHUTTER ACTUATOR GRN WIRE GRY WIRE GRY/RED WIRE HIGH CURRENT BATTERY JUNCTION BOX (BJB) HOT AT ALL TIMES HOT W/ PCM POWER RELAY ENERGIZED HS CAN+ LIN AGS LIN MEGA FUSE 8 NCA WIRE ORG/ WIRE POWERTRAIN CONTROL (PCM) MODULE PWR RED WIRE S120 (2.0L) S129 (2.0L TURBO) S148 (2.0L) S132 (2.0L TURBO) S166 (1.0L TURBO) STARTING/ CHARGING SYSTEM VIO WIRE VIO/ORG WIRE VPWR WHT WIRE YEL WIRE YEL/ORG WIRE

AJAR ANTI-THEFT HOOD SWITCH BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/ORG WIRE BLU/RED WIRE BODY CONTROL MODULE (BCM) (LOWER RIGHT SIDE OF DASH) BRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DOOR LOCK/HAZARD SWITCH DOOR SILL) DR LOCK SW DR UNLOCK DR UNLOCK SW DRIVER DOOR LOCK CONTROL SWITCH GRN WIRE GRN/RED WIRE GRN/VIO WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/ORG WIRE GRY/VIO WIRE GRY/YEL WIRE HEADLIGHTS SYSTEM HIGH CURRENT BATTERY JUNCTION BOX (BJB) HOOD AJAR SWITCH HORNS SYSTEM HOT AT ALL TIMES HRC INTERNAL ANTENNA RKE RECEIVER K LINE LEFT REAR DOOR LATCH LEFT REAR DOOR MODULE LF DR AJAR LIFTGATE AJAR LIN(LSM) LOCK LOCK IND LOCK SIG LOGIC GND LR DR AJAR MEGA FUSE 4 MICRO - MS CAN + ON BATTERY) PASSENGER DOOR LOCK SWITCH POWER WINDOWS SYSTEM RED WIRE RETURN RF DR AJAR RIGHT REAR DOOR LATCH RIGHT REAR DOOR MODULE RR DR AJAR SW ILL. SW ILLUM SW IND (LED) SIG SW/HAZARD WARNING UNLOCK UNLOCK SIG VBATT VIO WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/ORG WIRE VIO/WHT WIRE WHT WIRE YEL WIRE YEL/GRN WIRE YEL/ORG WIRE

4 DOOR 5 DOOR AJAR ANTI-THEFT HOOD SWITCH BLK WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/ORG WIRE BLU/RED WIRE BODY CONTROL MODULE (BCM) (LOWER RIGHT SIDE OF DASH) BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DR LOCK SW DR UNLOCK DR UNLOCK SW DRIVER DOOR LOCK CONTROL SWITCH EXCEPT SYNC GEN 2 FRONT CONTROLS INTERFACE MODULE (FCIM) GRN WIRE GRN/BLU WIRE GRN/VIO WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/ORG WIRE HAZARD WARNING HEADLIGHTS SYSTEM HOOD AJAR SW HORN RC HORNS SYSTEM IND K LINE LEFT "C" PILLAR) LEFT REAR DOOR LATCH LEFT REAR DOOR MODULE LF DR AJAR LF DR UNLOCK LIFTGATE AJAR LIFTGATE/DECKLID LATCH ASSEMBLY LOCK LOCK IND LOCK SIG LOGIC GND LR DR AJAR LR DR UNLOCK MICRO - MS CAN + PASSENGER DOOR LOCK SWITCH POWER WINDOWS SYSTEM RED WIRE RETURN RF DR AJAR RF DR UNLOCK RR DR AJAR RR DR UNLOCK SIG SIG SW/HAZARD WARNING SIGNAL, SWITCH SOUND, NAVIGATION SYSTEMS SW ILL. UNLOCK UNLOCK SIG VBATT VIO WIRE VIO/GRN WIRE VIO/ORG WIRE VIO/WHT WIRE W/ DOOR MODULES W/ DOOR MODULES W/O DOOR MODULES W/O DOOR MODULES WHT WIRE WHT/ORG WIRE YEL WIRE YEL/GRN WIRE YEL/ORG WIRE

ANT BLK WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/ORG WIRE BLU/RED WIRE BODY CONTROL MODULE (BCM) BRN WIRE BRN/GRN WIRE CENTER PASSIVE START ANTENNA COMPUTER DATA LINES SYSTEM FRONT PASSIVE START ANTENNA FUSE 11 FUSE 3 FUSE 78 FUSE 81 GRN WIRE GRN/BRN WIRE GRN/ORG WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/ORG WIRE GRY/RED WIRE GRY/VIO WIRE HOT AT ALL TIMES ILL INTELLIGENT ACCESS (IA) ANTENNA INTERNAL ANTENNA RKE RECEIVER K LINE KEYPAD SWITCH ASSEMBLY LEFT FRONT EXTERIOR DOOR HANDLE LIFTGATE SW LOCK MS CAN + NCA WIRE ORG/ WIRE REAR JUNCTION BOX (RJB) REAR PASSIVE START ANTENNA RED WIRE REMOTE FUNCTION ACTUATOR (RFA) MODULE REMOTE FUNCTIONS RECEIVER (RFR) MODULE RIGHT FRONT EXTERIOR DOOR HANDLE START/ STOP SW STARTING/ CHARGING SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM UNLOCK VBATT VIO WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/ORG WIRE VIO/RED WIRE VPWR W/ DOOR MODULES WHT WIRE WHT/GRN WIRE WHT/ORG WIRE YEL WIRE YEL/GRN WIRE YEL/ORG WIRE YEL/VIO WIRE

4 DOOR 5 DOOR AJAR ANTI-THEFT HOOD SWITCH BLK WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/ORG WIRE BLU/RED WIRE BODY CONTROL MODULE (BCM) BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DR LOCK SW DR UNLOCK DR UNLOCK SW DRIVER DOOR LOCK CONTROL SWITCH EXCEPT SYNC GEN 2 FRONT CONTROLS INTERFACE MODULE (FCIM) GRN WIRE GRN/BLU WIRE GRN/VIO WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/ORG WIRE HAZARD WARNING HOOD AJAR SW HORN RC HORNS SYSTEM LEFT REAR DOOR LATCH LEFT REAR DOOR MODULE LF DR AJAR LF DR UNLOCK LIFTGATE AJAR LIFTGATE/DECKLID LATCH ASSEMBLY LOCK LOCK IND LOCK SIG LOGIC GND LR DR AJAR LR DR UNLOCK MICRO - MS CAN + PASSENGER DOOR LOCK SWITCH POWER WINDOWS SYSTEM RETURN RF DR AJAR RF DR UNLOCK RR DR AJAR RR DR UNLOCK SIG SW SIG SW/HAZARD WARNING SOUND, NAVIGATION SYSTEMS SW ILL. UNLOCK UNLOCK SIG VBATT VIO WIRE VIO/GRN WIRE VIO/ORG WIRE VIO/WHT WIRE W/ DOOR MODULES W/ DOOR MODULES W/O DOOR MODULES W/ PERIMETER ALARM W/O DOOR MODULES WHT WIRE WHT/ORG WIRE YEL WIRE YEL/GRN WIRE YEL/ORG WIRE

AJAR BLK WIRE BLK/GRN WIRE BLK/VIO WIRE BLU WIRE BLU/RED WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM DR UNLOCK FUSE 4 FUSE 5 FUSE 6 FUSE 7 GRN/BLU WIRE GRN/RED WIRE GRN/VIO WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/VIO WIRE HOT AT ALL TIMES LOCK MS CAN + PASSENGER DOOR MODULE (PDM) POWER WINDOWS SYSTEM REAR JUNCTION BOX (RJB) RED WIRE RETURN RIGHT FRONT DOOR LATCH RIGHT REAR DOOR LATCH RIGHT REAR DOOR MODULE UNLOCK VBATT VIO WIRE VIO/BRN WIRE W/ DOOR MODULES W/O DOOR MODULES WHT WIRE WHT/ORG WIRE YEL WIRE YEL/RED WIRE

ANT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/WHT WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/ORG WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/YEL WIRE CENTER PASSIVE START ANTENNA COMPUTER DATA LINES SYSTEM FRONT PASSIVE START ANTENNA FUSE 3 GRN/BRN WIRE GRN/ORG WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/BRN WIRE GRY/ORG WIRE GRY/VIO WIRE GRY/YEL WIRE HOT AT ALL TIMES K LINE LEFT FRONT EXTERIOR DOOR HANDLE LIFTGATE SW LOCK MS CAN + NCA WIRE REAR JUNCTION BOX (RJB) REAR PASSIVE START ANTENNA RED WIRE REMOTE FUNCTION ACTUATOR (RFA) MODULE RIGHT FRONT EXTERIOR DOOR HANDLE RIGHT REAR EXTERIOR DOOR HANDLE START/ STARTING/ CHARGING SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM UNLOCK VBATT VIO WIRE VIO/GRY WIRE VIO/ORG WIRE VIO/RED WIRE VIO/WHT WIRE WHT/GRN WIRE WHT/ORG WIRE YEL WIRE YEL/ORG WIRE YEL/VIO WIRE

AJAR ANTI-THEFT HOOD SWITCH BLK WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/ORG WIRE BLU/RED WIRE BODY CONTROL MODULE (BCM) BRN WIRE BRN/RED WIRE BRN/YEL WIRE CHILD LOCK COMMON COMPUTER DATA LINES SYSTEM DOUBLE LOCK DR LOCK SW DR UNLOCK SW DRIVER DOOR LOCK CONTROL SWITCH DRV DR AJAR FRONT CONTROLS INTERFACE MODULE (FCIM) FUSE 65 FUSE 79 GRN WIRE GRN/VIO WIRE GRY WIRE GRY/BLU WIRE GRY/ORG WIRE GRY/YEL WIRE HAZARD WARNING HOOD AJAR SW HOT AT ALL TIMES I CAN - LEFT "C" PILLAR) LEFT REAR DOOR LATCH LEFT REAR DOOR MODULE LIFTGATE AJAR LIFTGATE LATCH ASSEMBLY (BOTTOM CENTER OF LIFTGATE) LIFTGATE/ DECKLID RELEASE RELAY LOCK LOCK IND LOCK SIG LOGIC GND LR DR AJAR MICRO - MICRO BODY CONTROL MODULE (BCM) MS CAN + PASS DR AJAR PASS DR UNLOCK PASSENGER DOOR LOCK/ CONTROL SWITCH POWER WINDOWS SYSTEM RETURN RR DR AJAR SIG SW SIG SW/HAZARD WARNING SW ILL. SW PCL UNLOCK SIG VBATT VIO/GRY WIRE VIO/ORG WIRE W/ PERIMETER ALARM WHT WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE YEL/VIO WIRE

2.0L 2.0L TURBO ANT BLK WIRE BLK/WHT WIRE BLU/GRY WIRE BODY CONTROL MODULE (BCM) BRN/GRN WIRE CENTER PASSIVE START ANTENNA (UNDER REAR OF CENTER CONSOLE) COMPUTER DATA LINES SYSTEM EXCEPT RS FRONT PASSIVE START ANTENNA (RIGHT CENTER OF DASH) FUSE 59 FUSE 78 FUSE 81 GRN/ORG WIRE GRY/BRN WIRE GRY/ORG WIRE GRY/RED WIRE GRY/VIO WIRE HORN RC HORNS SYSTEM HOT AT ALL TIMES HS CAN+ INSTRUMENT PANEL CLUSTER (IPC) INT LIGHT DIM INTERIOR LIGHT RELAY INTERNAL VPWR ANTENNA RKE RECEIVER GND K LINE MICRO - MS CAN + PASSIVE ANTI-THEFT TRANSCEIVER PATS GND PATS RX PATS TX POWERTRAIN CONTROL MODULE (PCM) PWR REAR PASSIVE START ANTENNA RED WIRE REMOTE FUNCTION ACTUATOR (RFA) MODULE REMOTE FUNCTIONS RECEIVER (RFR) MODULE START/STOP) STARTING/CHARGING SYSTEM VBATT VIO/GRN WIRE VIO/GRY WIRE VIO/ORG WIRE VIO/RED WIRE W/ INTELLIGENT ACCESS WHT WIRE WHT/BLU WIRE WHT/ORG WIRE YEL/ORG WIRE