Buick LaCrosse II facelift (2013-2016) driver information center display Wiring diagrams

1 2 SERIAL DATA (-) SERIAL DATA (+) 8 7 6 5 4 3 2 1 BATT POS VOLT GROUND BLK WIRE BLU WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY DRIVER OUTSIDE REARVIEW MIRROR DRIVER SIDE OBJECT DETECTION INDICATOR DRIVER OUTSIDE REARVIEW MIRROR GLASS GRN WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/VIO WIRE GRY/YEL WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LED SIGNAL LEFT SIDE OBJECT SENSOR (BEHIND LEFT REAR WHEEL) LOGIC OBST DETCT FUSE PASSENGER OUTSIDE REARVIEW MIRROR RED/GRN WIRE RIGHT SIDE OBJECT SENSOR (BEHIND RIGHT REAR WHEEL) SERIAL DATA (-) SERIAL DATA (+) ENABLE 2 SERIAL DATA (-) SERIAL DATA (+) ENABLE 2 DET LED SIG LED SIGNAL UNDERHOOD FUSE BLOCK (LEFT SIDE OF BATTERY) WHT/GRN WIRE YEL WIRE YEL/VIO WIRE

20 26 B+ GROUND BATTERY BATTERY CURRENT SENSOR (IN FRONT OF BATTERY) BATTERY FUSE BLOCK (TOP OF BATTERY) BLK WIRE BLK/VIO WIRE BLU/VIO WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRN WIRE CHARGE IND CHARGE IND CTRL COMPUTER DATA LINES SYSTEM CURRENT SENSOR SIG CURRENT SENSOR SUPPLY VOLTAGE DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) FUSE 6 GENERATOR GENERATOR FIELD DUTY CYCLE SIG GMLAN SERIAL DATA GRN WIRE GRY WIRE HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (LEFT SIDE OF BATTERY) FUSE 69 INSTRUMENT CLUSTER LOGIC LOW REF RED WIRE RED/YEL WIRE SERIAL DATA STARTER MOTOR VIO/YEL WIRE WHT/YEL WIRE

AUTO BLK WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BRN WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DIMMER SWITCH DRIVER INFORMATION CENTER DISPLAY FOG LAMP SWITCH FRONT FOG LAMP IND GRN WIRE GRY WIRE GRY/RED WIRE HEAD PARK HEADLAMP SWITCH HIGH BEAM LAMP IND INSTRUMENT CLUSTER LEFT FRONT FOG LAMP LOGIC LOW SPD GMLAN SER DATA LT GRN WIRE OFF PARK BRAKE CONTROL SWITCH PARK BRK RELEASE SW SIG PARK BRK SW SIG PARKING BRAKE CONTROL MODULE (BEHIND LEFT REAR WHEEL LINER) RIGHT FRONT FOG LAMP VIO WIRE VOL REF PARK BRK SPLY VOLT WHT WIRE YEL WIRE YEL/RED WIRE

2500 2501 1134 7684 COMPUTER DATA LINES SYSTEM BATTERY FUSE BLOCK (TOP OF BATTERY) BLK WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BRN WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DIMMER SWITCH DRIVER INFORMATION CENTER DISPLAY FOG LAMP SWITCH FRONT FOG LAMP IND FUSE GRN WIRE GROUND GRY WIRE GRY/RED WIRE HEAD PARK AUTO HEADLAMP SWITCH HIGH BEAM LAMP IND HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN INSTRUMENT CLUSTER LEFT FRONT FOG LAMP LOGIC LOW SPD GMLAN SER DATA LT GRN WIRE MIL IGN OFF PARK BRAKE CONTROL SWITCH PARK BRK APPLY SW SIG PARK BRK RELEASE SW SIG PARK BRK RELEASE SW VOL REF PARK BRK SW SPLY VOLT PARKING BRAKE CONTROL MODULE (BEHIND LEFT REAR WHEEL LINER) RED WIRE RIGHT FRONT FOG LAMP UNDERHOOD FUSE BLOCK (LEFT SIDE OF BATTERY) VIO WIRE VIO/GRY WIRE WHT WIRE WHT/BRN WIRE YEL WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 10 GROUND BATT POST VOLT WARNING IND SERIAL DATA (+) SERIAL DATA (-) SERIAL DATA BLK WIRE BLU WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DK BLU WIRE DRIVER INFORMATION CENTER DISPLAY ENABLE DISABLE SW SIG FRONTVIEW CAMERA MODULE GRN WIRE GRY/VIO WIRE GRY/WHT WIRE HOT AT ALL TIMES IND DIM CTRL INSTRUMENT CLUSTER INSTRUMENT PANEL MULTI-FUNCTION SWITCH 2 LANE DEPARTURE WARNING IND LANE DEPARTURE WARNING SWITCH LRR LDW FUSE RADIO RED/GRY WIRE SERIAL DATA SERIAL DATA LOGIC UNDERHOOD FUSE BLOCK (LEFT SIDE OF BATTERY) W/ ADAPTIVE CRUISE CONTROL WHT WIRE WHT/BLU WIRE WHT/GRN WIRE

APPLY SW SIG RELEASE SW SIG BLK WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM 6107 6108 DRIVER INFORMATION CENTER DISPLAY EPB FUSE GRN WIRE GRY WIRE GRY/RED WIRE HI SPD GMLAN - HI SPD GMLAN - HI SPD GMLAN - SUPPLY VOLTAGE SERIAL DATA HOT AT ALL TIMES INSTRUMENT CLUSTER LOGIC LOW SPD GMLAN PARK BRAKE CONTROL SWITCH (ON PARK BRAKE ASSEMBLY) PARK IND PARKING BRAKE CONTROL MODULE (BEHIND LEFT REAR WHEEL LINER) RED WIRE RED/VIO WIRE SERIAL DATA UNDERHOOD FUSE BLOCK (LEFT SIDE OF BATTERY) VIO WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/RED WIRE

AJAR AJAR SW SIG BCM 7 FUSE BLOCK FUSE (LOWER LEFT SIDE OF DASH) BLK WIRE BLK/ORG WIRE BLU WIRE BLU/ WHT WIRE BLU/BLK WIRE BLU/VIO WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRAKE IND BRN WIRE BRN/GRN WIRE BUS 4 COMPUTER DATA LINES SYSTEM DK BLU RED/ WIRE DLIS FUSE DRIVER DOOR LATCH ASSEMBLY DRIVER INFORMATION CENTER DISPLAY DRIVER SEAT BELT BUCKLE DRIVER SEAT BELT SWITCH DRIVER WINDOW MOTOR DRIVER WINDOW SWITCH DRIVER'S DOOR GMLAN SER DATA RADIO GMLAN SERIAL DATA GRN WIRE GRN/GRY WIRE GROUND GRY WIRE GRY/ GRN WIRE GRY/RED WIRE HEAD PARK 5 6 AUTO OFF HEADLAMP SW 22 11 1 PRK LAMP SIG OFF SIG HEADLAMP SWITCH HOT AT ALL TIMES INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) (BELOW CENTER CONSOLE) INSTRUMENT CLUSTER INSTRUMENT PANEL LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LO SPD GMLAN SER DATA LOGIC LOW ENGINE OIL PRESSURE IND LOW SPD GMLAN SER DATA SER DATA COMMUNICATION ENABLE LOW TIRE PRESSURE IND LT GRN/GRY WIRE LT GRN/YEL WIRE NCA WIRE NETWORK NETWORK BUS 3 NETWORK BUS 4 OFF KEY IGNITION SWITCH IGNITION SWITCH (W/O KEYLESS ENGINE START SWITCH) OFF/RUN/ CRANK VOLT ORG/BRN WIRE PARK BRAKE CONTROL SWITCH (ON PARK BRAKE ASSEMBLY) PARKING BRAKE CONTROL MODULE (BEHIND LEFT REAR WHEEL LINER) PASSENGER DOOR LATCH ASSEMBLY PASSENGER WINDOW MOTOR (FRONT PASSENGER'S DOOR) PRK BRK APPLY SW VOLT REF PRK BRK SW SUP VOLT PRK BRK SW SIG PRK BRK SW SUPP VOLT PRK BRK SW RELEASE SIG PRK BRK SW APPLY SIG RED WIRE RED/DK BLU WIRE RED/LT GRN (OR RED/GRN) WIRE RED/LT GRN WIRE RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH RUN WIRE SEAT BELT IND SEAT BELT SW LOW REF SEAT BELT SW SIG SER DATA LVL COMM SENS ENABLE SIG SERIAL DATA COMM ENABLE SPLICE PACK) (LEFT KICK PANEL) SW SIG VIO WIRE WHT WIRE WHT/BLU WIRE WHT/DK BLU WIRE WHT/YEL WIRE YEL WIRE YEL/RED WIRE

10 13 20 25 WIPER SW LO REF WIPER SW LO SIG WIPER SW HI SIG WASHER SW SIG 16 14 COIL SPLY VOLT WASHER RLY CTRL 23 24 SERIAL DATA (-) SERIAL DATA (+) 2501 2500 COMPUTER DATA LINES SYSTEM BATT POSITIVE VOLT BATTERY FUSE BLOCK (TOP OF BATTERY) BCM 6 FUSE BLK WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRN/GRY WIRE BRN/LT GRN WIRE COMPUTER DATA LINES SYSTEM DELAY SWITCH DK BLU WIRE DRIVER INFORMATION CENTER DISPLAY FRT WIPER FUSE FUSE 5 GRY WIRE GRY/VIO WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT FRONT STRUT TOWER) LO SPD GMLAN SERIAL DATA LO WASHER FLUID IND CTRL LOGIC LT GRN WIRE MIST OFF PARK SW SIGNAL RED WIRE RED/WHT WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF BATTERY) VIO WIRE WASH FRT FUSE WASHER SWITCH WHT WIRE WHT/VIO WIRE WINDSHIELD WASHER FLUID LEVEL IND WINDSHIELD WASHER FLUID LEVEL SWITCH (IN WASHER FLUID RESERVOIR) WINDSHIELD WASHER PUMP (IN WASHER FLUID RESERVOIR) WINDSHIELD WASHER PUMP RELAY WINDSHIELD WIPER MOTOR (LEFT REAR OF ENGINE COMPT) WINDSHIELD WIPER RELAY WINDSHIELD WIPER SPEED CONTROL RELAY WINDSHIELD WIPER/WASHER SWITCH WIPER SW HI SIG WIPER SWITCH YEL WIRE YEL/BRN WIRE