Buick LaCrosse II facelift (2013-2016) human machine interface control module Wiring diagrams

BLU WIRE BLU/YEL WIRE BRN WIRE COMM ENABLE DATA COM ENABLE FRONTVIEW CAMERA MODULE (W/ LANE DEPARTURE WARNING, COLLISION ALERT) GRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/VIO WIRE HS SERIAL DATA - HUMAN MACHINE INTERFACE CONTROL MODULE INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (BELOW CENTER CONSOLE) LEFT HEADLAMP BALLAST LEFT HEADLAMP ASSEMBLY LEFT HEADLAMP HORIZONTAL MOTOR LINEAR INTERCONNECT NETWORK BUS 6 MOST CTRL MOST SER DATA (+) MULTI-AXIS ACCELERATION SENSOR (UNDER CENTER CONSOLE BETWEEN FRONT SEATS) NETWORK BUS 1 NETWORK BUS 5 NETWORK BUS 6 ORG/ WIRE RIGHT HEADLAMP BALLAST RIGHT HEADLAMP ASSEMBLY RIGHT HEADLAMP HORIZONTAL MOTOR SER DATA SER DATA (-) (1) SER DATA COMM ENABLE SUNROOF CONTROL MODULE (BEHIND ROOF CONSOLE) SUNROOF SUNSHADE MOTOR MODULE (REAR OF SUNROOF) VIO/YEL WIRE W/ ADAPTIVE CRUISE CONTROL W/O ADAPTIVE CRUISE CONTROL WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/VIO WIRE

AUDIO/ VIDEO MEDIA INPUT DISC ADAPTER PLAYER AUXILIARY AUDIO INPUT BLK WIRE ELECTRONIC BRAKE CONTROL MODULE HUMAN MACHINE INTERFACE CONTROL MODULE INFO DISPLAY MODULE LEFT COOLING FAN MOTOR POWER RIGHT BACKUP LAMP POWER STEERING CONTROL LOGIC POWER STEERING CONTROL MODULE RADIO RIGHT REAR TURN SIGNAL LAMP RIGHT REAR WINDOW DEFOGGER NOISE FILTER RIGHT TAIL LAMP ASSEMBLY TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE W/ ACTIVE FRONT GRILL SHUTTER W/ BELT DRIVE POWER STEERING W/ ON STAR W/ RSE W/O RSE W/O ACTIVE FRONT GRILL SHUTTER W/O BELT DRIVE POWER STEERING

AUXILIARY AUDIO INPUT BATT + BDY RC IGN FUSE BLK WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BUS 10 NETWORK BUS 5 NETWORK CAMERA SHIELD CAMERA SIG (-) CAMERA SIG 2 COAX COMPUTER DATA LINES SYSTEM DISPLAY DISPLAY SIG + EXTENSION GMLAN LOW SPD GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/VIO WIRE GRY/YEL WIRE HOT W/ IGNITION RELAY ENERGIZED HUMAN MACHINE INTERFACE CONTROL MODULE IGN 1 VOLT INFO DISPLAY MODULE LOGIC LOW REF MOST CTRL NAVIGATION NAVIGATION DISPLAY SIG NCA WIRE NETWORK BUS 5 RADIO CONTROLS REARVIEW CAMERA RED WIRE RED/BLU WIRE RED/VIO WIRE SERIAL DATA SERIAL DATA (-) (1) SPLY VOLT UNDERHOOD FUSE BLOCK (LEFT SIDE OF BATTERY) USB VIO WIRE VIO/BLK WIRE VOICE AUD SIG WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE

AUXILIARY AUDIO INPUT BATT + BDY RC IGN FUSE BLK WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BUS 10 NETWORK BUS 5 NETWORK CAMERA SHIELD CAMERA SIG (-) CAMERA SIG 2 COAX COMPUTER DATA LINES SYSTEM DISPLAY DISPLAY SIG + EXTENSION GMLAN LOW SPD GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/VIO WIRE GRY/YEL WIRE HOT W/ IGNITION RELAY ENERGIZED HUMAN MACHINE INTERFACE CONTROL MODULE IGN 1 VOLT INFO DISPLAY MODULE LOGIC LOW REF MOST CTRL NAVIGATION NAVIGATION DISPLAY SIG NCA WIRE NETWORK BUS 5 RADIO CONTROLS REARVIEW CAMERA RED WIRE RED/BLU WIRE RED/VIO WIRE SERIAL DATA SERIAL DATA (-) (1) SPLY VOLT UNDERHOOD FUSE BLOCK (LEFT SIDE OF BATTERY) USB VIO WIRE VIO/BLK WIRE VOICE AUD SIG WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE

2 OF 5) 2.4L 3.6L 3 4 AUDIO/VIDEO INPUT ADAPTER AUTOMATIC TRANSMISSION ASSEMBLY AUXILLIARY AUDIO INPUT BLU RED/ WIRE BRN VIO/ WIRE CHASSIS CONTROL MODULE CONTROL SOLENOID VALVE ASSEMBLY DRIVER BACK SEAT BLOWER MOTOR DRIVER CUSHION SEAT BLOWER MOTOR DRIVER SEAT PASSENGER HEADREST SEAT VEDIO HEADREST DISPLAY VEDIO DISPLAY ELECTRIC/ AUXILIARY TRANSMISSION FLUID PUMP RELAY (2.4L) FROM ECM IGN FUSE (DIAGRAM 2 OF 5) FROM INSTRUMENT PANEL FUSE BLOCK (DIAGRAM FROM INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 3 OF 5) FUEL PUMP DRIVER CONTROL MODULE FUSE HEAD-UP DISPLAY (IF EQUIPPED) HTD WHEEL FUSE HUMAN MACHINE INTERFACE CONTROL MODULE HVAC CONTROLS INFO DISPLAY MODULE MEDIA DISC PLAYER PASSENGER BACK SEAT BLOWER MOTOR PASSENGER CUSHION SEAT BLOWER MOTOR RADIO REAR WINDOW SUNSHADE MODULE (IF EQUIPPED) RED WIRE RED/BLU WIRE RED/VIO WIRE SEAT MASS FUSE STEERING COLUMN FUSE HOLDER STEERING WHEEL AIR BAG COIL STEERING WHEEL HEATING CONTROL MODULE (IF EQUIPPED) TRANSMISSION CONTROL MODULE TRN FSC IGN FUSE UNDERHOOD FUSE BLOCK (LEFT SIDE OF BATTERY) VIO/BLK WIRE VIO/BRN WIRE W/ FRONT ACTIVE GRILLE SHUTTERS W/O FRONT ACTIVE GRILLE SHUTTERS W/ PASSENGER FRONT VENTILATED SEAT

AUXILIARY AUDIO INPUT BATT + BDY RC IGN FUSE BLK WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BUS 10 NETWORK BUS 5 NETWORK CAMERA SHIELD CAMERA SIG (-) CAMERA SIG 2 COAX COMPUTER DATA LINES SYSTEM DISPLAY DISPLAY SIG + EXTENSION GMLAN LOW SPD GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/VIO WIRE GRY/YEL WIRE HOT W/ IGNITION RELAY ENERGIZED HUMAN MACHINE INTERFACE CONTROL MODULE IGN 1 VOLT INFO DISPLAY MODULE LOGIC LOW REF MOST CTRL NAVIGATION NAVIGATION DISPLAY SIG NCA WIRE NETWORK BUS 5 RADIO CONTROLS REARVIEW CAMERA RED WIRE RED/BLU WIRE RED/VIO WIRE SERIAL DATA SERIAL DATA (-) (1) SPLY VOLT UNDERHOOD FUSE BLOCK (LEFT SIDE OF BATTERY) USB VIO WIRE VIO/BLK WIRE VOICE AUD SIG WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE

AUXILIARY AUDIO INPUT BATT + BDY RC IGN FUSE BLK WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BUS 10 NETWORK BUS 5 NETWORK CAMERA SHIELD CAMERA SIG (-) CAMERA SIG 2 COAX COMPUTER DATA LINES SYSTEM DISPLAY DISPLAY SIG + EXTENSION GMLAN LOW SPD GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/VIO WIRE GRY/YEL WIRE HOT W/ IGNITION RELAY ENERGIZED HUMAN MACHINE INTERFACE CONTROL MODULE IGN 1 VOLT INFO DISPLAY MODULE LOGIC LOW REF MOST CTRL NAVIGATION NAVIGATION DISPLAY SIG NCA WIRE NETWORK BUS 5 RADIO CONTROLS REARVIEW CAMERA RED WIRE RED/BLU WIRE RED/VIO WIRE SERIAL DATA SERIAL DATA (-) (1) SPLY VOLT UNDERHOOD FUSE BLOCK (LEFT SIDE OF BATTERY) USB VIO WIRE VIO/BLK WIRE VOICE AUD SIG WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE

BDY RC IGN FUSE BLK WIRE BLU/ WHT WIRE CAMERA + SIG CAMERA - SIG GRN/WHT WIRE GROUND IGN 1 VOLT SPLY VOLT SHIELD EXTENSION CAMERA SIG CAMERA SIG + GRY WIRE GRY/YEL WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED HUMAN MACHINE INTERFACE CONTROL MODULE NCA WIRE REARVIEW CAMERA RED WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF BATTERY) VIO/BLK WIRE WHT WIRE WHT/BLU WIRE