Buick LaCrosse II facelift (2013-2016) (left kick panel) computer data lines system Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 BATT POS VOLT 3 7 HI SPD GMLAN (+) HI SPD GMLAN (-) 3.6L 2.4L HYBRID ACCELERATOR PEDAL POSITION SENSOR (LEFT SIDE OF DASH) BLK WIRE BLK/BLU WIRE BLK/VIO WIRE BLK/YEL WIRE BRK POS SENS SIG LOW REF BRN/RED WIRE COMM ENABLE COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY AUTOMATIC TRANSMISSION ASSEMBLY CRUISE IND DISTANCE SENSING CRUISE CONTROL MODULE (BEHIND UPPER GRILLE OPENING) DK BLU WIRE DK BLU/YEL WIRE DRIVER INFORMATION CENTER DISPLAY GRN/WHT WIRE GROUND HOT AT ALL TIMES HYBRID/EV BATTERY PACK (RIGHT SIDE OF LUGGAGE COMPT) HYBRID/EV POWERTRAIN CONTROL MODULE INSTRUMENT CLUSTER LOGIC LRR LDW FUSE MOST SERIAL DATA (+) POSITIVE VOLTAGE RED/BLK WIRE RED/GRY WIRE SER DATA (-) SER DATA (+) SER DATA (-) SER DATA (+) STARTER/GENERATOR CONTROL MODULE SYSTEM TRANSMISSION CONTROL MODULE TRANSMISSION INPUT SHAFT SPEED SENSOR TRANSMISSION OUTPUT SHAFT SPEED SENSOR UNDERHOOD FUSE BLOCK (LEFT SIDE OF BATTERY) WHT WIRE WHT/DK BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

185 61 WIPER/WASHER SYSTEM 2.4L 25 26 27 70 FUEL LVL LOW REF FUEL LVL SERIAL DATA 3.6L ABS IND. AIR BAG IND AMBIENT AIR TEMPERATURE SENSOR (LEFT FRONT OF VEHICLE ON BUMPER FASCIA) BATT POS VOLT IGNITION 1 VOLTAGE BELOW STARTER) BLK WIRE BLK/DK BLU WIRE BLK/LT GRN WIRE BLU WIRE BRAKE IND BRN/WHT WIRE CHARGING IND CHECK ENGINE INDI CTRL COMPUTER DATA LINES SYSTEM CRUISE IND DK BLU WIRE DK BLU/GRY WIRE DK BLU/LT GRN WIRE DK BLU/WHT WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM 3998 3997 1650 COMPUTER DATA LINES SYSTEM ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE IND ENGINE OIL PRESSURE SWITCH (FRONT OF ENGINE) ENGINE OIL PRESSURE SWITCH (LOWER FRONT OF ENGINE) ESC OFF IND FRONT FOG LAMPS IND FUEL GAUGE GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GROUND GRY WIRE GRY/VIO WIRE HEAD-UP DISPLAY HIGH BEAM IND HOT W/ IGNITION MAIN RELAY ENERGIZED ILLUMINATION INSTRUMENT CLUSTER LEFT TURN IND LINEAR NETWORK BUS 12 LOGIC LOW FUEL WARNING LAMP IND LOW SPD GMLAN SER DATA LOW TIRE PRESSURE IND LOW WASHER FLUID IND LOW WASHER FLUID IND CTRL LOW REF LT GRN WIRE MALFUNCTION IND MIL IGN FUSE NCA WIRE OIL LEVEL IND OIL PRESS SW OUTSIDE AMBIENT AIR TEMP SENS SIG PARK IND PARK LAMPS IND RED WIRE RED/GRY WIRE RED/WHT WIRE RIGHT TURN IND SEAT BELT IND SECURITY IND SERVICE BRAKE IND SPEEDOMETER TACHOMETER TCS/ECS IND TRACTION CONTROL OFF IND UNDERHOOD FUSE BLOCK (LEFT SIDE OF BATTERY) VIO WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/GRN WIRE WHT/VIO WIRE YEL/DK BLU WIRE

BATT POS VOLT BCM 6 (LEFT SIDE FUSE OF BATTERY) BLK WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRN/LT GRN WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY GRN/GRY WIRE GRN/VIO WIRE GRY/BLK WIRE HOOD AJAR SW SIG HOOD AJAR SWITCH (FRONT OF ENGINE COMPT) HOT AT ALL TIMES HYBRID POWERTRAIN CONTROL MODULE IMMOBILIZER CONTROL MODULE (CENTER CONSOLE) INSTRUMENT CLUSTER LOGIC NETWORK BUS 11 PPL RED/WHT WIRE SECURITY IND UNDERHOOD FUSE BLOCK VEH IMMOBILIZER RTN VEH SPLY VOLT W/ KEYLESS ENGINE START SWITCH WHT/GRN WIRE YEL WIRE