Buick LaCrosse II (2009-2013) driver information center display Wiring diagrams

24 25 GMLAN SERL DATA (+) GMLAN SERL DATA (-) 2500 2501 COMPUTER DATA LINES SYSTEM ABS IND. BLK WIRE BLK/BLU WIRE BLK/DK BLU WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRAKE BOOSTER PUMP MOTOR BRAKE BOOSTER PUMP MOTOR RELAY (RIGHT SIDE OF ENGINE COMPT) BRN WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEMS DK BLU WIRE DK GRN/BRN WIRE DRIVER INFORMATION CENTER DISPLAY ELECTRONIC BRAKE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ESC OFF IND FUSE FUSE FUSE GND VOLTAGE 5-VOLT REF LOW REFERENCE SERIAL DATA + SERIAL DATA - GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL MULTI-FUNCTION SWITCH 2 INT LMP SW SIG LEFT FRONT WHEEL SPEED SENSOR (LEFT FRONT STEERING KNUCKLE ASSEMBLY) LOW REF RIGHT REAR SENS SIG RIGHT REAR LT GRN/BRN WIRE LT GRN/GRY WIRE MULTI-AXIS ACCELERATION SENSOR (UNDER CENTER CONSOLE BETWEEN FRONT SEATS) NCA WIRE RADIO RED WIRE RED/BLU WIRE RED/DK BLU WIRE RED/GRY WIRE RED/YEL WIRE RIGHT FRONT WHEEL SPEED SENSOR RIGHT REAR WHEEL SPEED SENSOR (RIGHT REAR UPPER CONTROL ARM) SERIAL DATA - SERIAL DATA + BRAKE VACUUM SENS SIG SERIAL DATA ENABLE STEERING COLUMN) STEERING WHEEL ANGLE SENSOR (BASE OF TCS/ ESC IND UNDERHOOD FUSE BLOCK (LEFT SIDE OF BATTERY) VIO WIRE W/ CONTINUOUSLY VARIABLE REAL TIME DAMPING CHASSIS W/ FRONT FOG LAMP W/O CONTINUOUSLY VARIABLE REAL TIME DAMPING CHASSIS WHL SPD SENS LOW REF LR WHL SPD SENS SIG LR WHT WIRE WHT/DK BLU WIRE YEL WIRE YEL/RED WIRE YEL/VIO WIRE

2.4L, 3.6L 3.0L 3.0L, 3.6L 2.4L 57 51 14 15 30 34 33 53 52 54 49 15 34 25 48 47 BRK SIG IGN 1 VOLTAGE 7 13 BRAKE APPLY SENS SIG SUPPLY VOLTAGE 9 4 CRUISE CONTROL SW SIG LIGHTING CTRL SW REF ACCELERATOR PEDAL POSITION SENSOR (LEFT SIDE OF DASH) AUTOMATIC TRANSMISSION ASSEMBLY BLK WIRE BLK/BRN WIRE BLK/DK BLU WIRE BLK/VIO WIRE BLK/WHT WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRAKE PEDAL POSITION SENSOR (NEAR TOP OF ACCELERATOR PEDAL ASSEMBLY) BRN WIRE BRN/DK BLU WIRE BRN/LT GRN WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY CRUISE IND CRUISE SWITCH CRUISE/ETC/TCC BRK SIG DK BLU WIRE DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) FUSE GMLAN SERIAL DATA GRN WIRE GROUND GRY WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK (LOWER LEFT FUSE SIDE OF DASH) HOT W/ IGN MAIN RELAY ENERGIZED INSTRUMENT CLUSTER LEFT STEERING WHEEL CONTROL SWITCH LOGIC LOW RE LOW REF 2 LT GRN/WHT WIRE POSITIVE VOLTAGE RED/BLK WIRE RED/WHT WIRE RES+ SENS SIG 1 LOW REF SENS SIG (2) ACTUATOR CTRL CLOSE ACTUATOR CTRL OPEN SET- SIG 1 LOW REF 1 SIG 2 SOUND SYSTEMS STEERING WHEEL AIR BAG COIL TRANSMISSION CONTROL MODULE TRANSMISSION INPUT SHAFT SPEED SENSOR TRANSMISSION OUTPUT SHAFT SPEED SENSOR UNDERHOOD FUSE BLOCK (LEFT SIDE OF BATTERY) VIO/LT GRN WIRE WHT WIRE WHT/DK BLU WIRE WHT/RED WIRE YEL (OR WHT) WIRE YEL WIRE YEL/BLK (OR DK BLU) WIRE YEL/BLK WIRE YEL/WHT WIRE

1 2 3 4 5 SERIAL DATA SERIAL DATA + SERIAL DATA + SERIAL DATA - SERIAL DATA - 1 2 GND BATTERY 3.0L 2.4L 3.6L 5 6 14 DATA + DATA - SPLY VOLT ANTI-LOCK BRAKES SYSTEM AUTOMATIC TRANSMISSION ASSEMBLY BLK WIRE BLU/YEL WIRE COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DK BLU (OR YEL/BLK) WIRE DK BLU WIRE DK GRN/BRN WIRE DRIVER INFORMATION CENTER DISPLAY ELECTRONIC BRAKE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) FUSE GRN WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LOGIC LT GRN/BRN WIRE POWER STEERING CONTROL MODULE (LOWER LEFT SIDE OF DASH) RED/YEL WIRE SHAFT SPEED SENSOR STEERING ANGLE SENSOR (BASE OF STEERING COLUMN) SYSTEM TRANS- MISSION OUTPUT TRANSMISSION CONTROL MODULE (TCM) UNDERHOOD AUXILIARY FUSE BLOCK INTEGRAL TO FUSE BLOCK-UNDERHOOD) WHT (OR YEL) WIRE WHT WIRE WHT/DK BLU WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 BATTERY SOL CTRL 3.0L 2.4L 3.6L 5 6 14 DATA + DATA - SPLY VOLT ANTI-LOCK BRAKES SYSTEM AUTOMATIC TRANSMISSION ASSEMBLY BLK WIRE BLK/YEL WIRE BLU/YEL WIRE BRN/GRN WIRE BRN/LT GRN WIRE COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DK BLU (OR YEL/BLK) WIRE DK BLU WIRE DK GRN/BN WIRE DRIVER INFORMATION CENTER DISPLAY ELECTRONIC BRAKE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) FUSE GRN WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LOGIC LT GRN/BRN WIRE POWER STEERING CONTROL MODULE (LOWER LEFT SIDE OF DASH) RED WIRE RED/DK BLU WIRE SERIAL DATA SERIAL DATA (-) SERIAL DATA (+) SHAFT SPEED SENSOR SOL LO REF STEERING ANGLE SENSOR (BASE OF STEERING COLUMN) SYSTEM TRANS- MISSION OUTPUT TRANSMISSION CONTROL MODULE (TCM) UNDERHOOD FUSE BLOCK (LEFT SIDE OF BATTERY) WHT (OR YEL) WIRE WHT WIRE WHT/DK BLU WIRE

135 MM FROM BREAKOUT TO 6105 6106 6106 6106 COMPUTER DATA LINES SYSTEM BLK WIRE BLK/BRN WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRN WIRE BRN/DK BLU WIRE BRN/LT GRN WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/GRY WIRE DK GRN/GRY WIRE DRIVER INFORMATION CENTER DISPLAY ESC OFF IND FUSE 31 GMLAN SER DATA (+) GMLAN SER DATA (+) GMLAN SER DATA (-) GMLAN SER DATA (-) GRN WIRE GRY/DK BLU WIRE GRY/WHT WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT FRONT SHOCK ABSORBER ACTUATOR LEFT FRONT VERTICAL BODY ACCELERATION SENSOR (LEFT FRONT STRUT TOWER) LEFT REAR SHOCK ABSORBER ACTUATOR LF WHL ACC LOW REF LOGIC LT GRN/GRY WIRE LT GRN/VIO WIRE NCA WIRE ORG/ WIRE PACK) PNK/BLK WIRE PPL REAR BODY FUSE BLOCK (ON LEFT REAR WHEELHOUSE) REAR VERTICAL BODY ACCELERATION SENSOR (FRONT OF REAR COMPT) RED/GRY WIRE RIGHT FRONT SHOCK ABSORBER ACTUATOR RIGHT FRONT VERTICAL BODY ACCELERATION SENSOR (RIGHT FRONT STRUT TOWER) RIGHT REAR SHOCK ABSORBER ACTUATOR SUSPENSION CONTROL MODULE (LEFT CORNER OF REAR COMPT) TCS/ ESC IND WHT WIRE WHT/BRN WIRE WHT/DK BLU WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/RED BLK/BRN WIRE YEL/RED WIRE

AJAR AJAR SW SIG BLK WIRE BLK/ORG 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 DK BLU WIRE DK BLU/ WHT WIRE DK BLU/BLK WIRE DK BLU/VIO WIRE DK GRN/GRY WIRE 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 FUSE FUSE (LOWER LEFT SIDE OF DASH) GMLAN SERIAL DATA GRN WIRE GRN/GRY WIRE GRN/YEL WIRE GROUND GRY DK GRN WIRE GRY WIRE GRY/RED WIRE HEAD PARK AUTO OFF HEADLAMP SW PRK LAMP SIG HEADLAMP SWITCH HOT AT ALL TIMES INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) (BELOW CENTER CONSOLE) INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK 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 BLU WIRE LT GRN WIRE NCA WIRE NETWORK NETWORK BUS 3 NETWORK BUS 4 OFF KEY IGNITION SWITCH IGNITION SWITCH (RIGHT SIDE OF STEERING COLUMN) 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 SUPP VOLT PRK BRK SW RELEASE SIG PRK BRK SW APPLY SIG RED/DK BLU WIRE RED/DK 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 COMMUNI- LVL CATION SENS ENABLE SIG SERIAL DATA COMMUNIC- ATION ENABLE PRK BRK SW SIG SPLICE PACK) (BOTTOM OF "A" PILLAR) SW SIG VIO/ DK BLU WIRE WHT WIRE WHT/DK BLU WIRE WHT/YEL WIRE YEL WIRE YEL/RED WIRE