Wiring diagram engine performance 3.6l vin 3 for Buick LaCrosse II facelift (2013-2016)

37 18 19 (NOT USED) 5-VOLT REF 1 A/C REFRIGERANT PRE SNSR LO REF A/C COMPRESSOR CLUTCH RLY CTRL APP 5-VOLT REF 3 (2) APP SIG (2) A/C REFRIGERANT PRE SENS SIG ACCELERATOR PEDAL POSITION SENSOR (LEFT SIDE OF DASH) AIR CONDITIONING SYSTEM APP 5-VOLT REF 4 (1) APP SIG (1) APP LO REF (1) BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/LT GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/GRY WIRE BLU/WHT WIRE BRAKE POSITION SNSR SIG BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CHECK ENGINE INDICATOR CTRL COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM DK BLU WIRE DK BLU/GRN WIRE DK BLU/WHT WIRE DK BLU/YEL WIRE ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) ENGINE OIL ENGINE OIL PRESSURE IND LEVEL IND FUEL COMPOSITION SENSOR FUEL PUMP CTRL GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE HI SPEED COOLING FAN RLY CTRL IGN INSTRUMENT CLUSTER LEFT FRONT STRUT TOWER) LO SPD GMLAN SERIAL DATA LOGIC LOW REF FUEL TANK PRE SNSR SIG LT GRN WIRE MALFUNCTION IND PRIMARY FUEL LEVEL SNSR SIG FUEL LEVEL SNSR LO REF SECONDARY FUEL LEVEL SNSR SIG RED/BRN WIRE RUN/CRANK IGNITION 1 VOLT BATTERY POSITIVE VOLTAGE APP LO REF (2) SECONDARY FUEL LEVEL SENSOR (AWD) (TOP OF FUEL TANK) SENS SIG SENS SIG BAROMETRIC PRESSURE SNSR SIG SIG SUPPLY VOLT SENS GND VIO/DK BLU WIRE VIO/LT GRN WIRE WHT WIRE WHT/GRY WIRE WHT/RED WIRE YEL/RED WIRE YEL/WHT WIRE

ACC WAKEUP SERIAL DATA BLK WIRE BLK/BRN WIRE BLK/DK BLU WIRE BLK/GRN WIRE BLK/LT GRN WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/VIO WIRE BLU/WHT WIRE BRAKE PEDAL POSITION SENSOR (NEAR TOP OF ACCELERATOR PEDAL ASSEMBLY) BRAKE POSITION SNSR LO REF BRN/RED WIRE BRN/WHT WIRE CHARGING SYSTEM COMPUTER COMPUTER DATA LINES SYSTEM CONTROL SYSTEM COOLING CRUISE CRUISE/ETC/TCC BRAKE SIG DATA COMM ENABLE DATA LINES DK BLU WIRE DK BLU/BRN WIRE DK BLU/GRN WIRE DK BLU/WHT WIRE DK BLU/YEL WIRE ECM (LEFT FRONT OF ENGINE COMPT) ENGINE CONTROL MODULE EVAP CANISTER VENT SOL CTRL FANS SYSTEM FLP SENS LOW REF FPP RLY CTRL FRP SNSR (5) VOLT REF FRP SNSR SIG FUEL PUMP SPLY VOLT FUEL RAIL PRESSURE SENSOR (TOP OF ENGINE ON FUEL RAIL) GRN/GRY WIRE GRN/VIO WIRE GROUND GRY WIRE GRY/BLK WIRE GRY/DK BLU WIRE HI SIG BANK 1 SENS (1) HI SIG BANK 1 SENS (2) HI SIG BANK 2 SENS 1 HI SIG BANK 2 SENS 2 HOT AT ALL TIMES BATTERY FUSE BLOCK (TOP OF BATTERY) FUSE 5 HUMIDITY SNSR SIG IGNITION 1 VOLTAGE LO SIG BANK 1 SENS 1 LO SIG BANK 1 SENS 2 LO SIG BANK 2 SENS 1 LO SIG BANK 2 SENS 2 LO SPD C/FAN RLY CTRL LOW REF LT GRN/DK BLU WIRE NCA WIRE POWERTRAIN RLY COIL CTRL PRESS SENS SIG PWR MAIN RLY FUSED SPLY (2) PWR MAIN RLY FUSED SPLY 3 RED WIRE RED/BRN WIRE RED/VIO WIRE RELAY COIL CTRL RUN/CRNK IGN 1 VOLT SERIAL DATA SHIELD EXTENSION SHUTTER VALVE SOL CTRL SNSR LO REF SNSR SIG STARTER ENABLE RLY CTRL STARTING/ SUPPLY VOLT SYSTEM TAN WIRE THROTTLE ACTUATOR CTRL CLOSE VIO/BLK WIRE VIO/DK BLU WIRE VIO/GRY WIRE VIO/LT GRN WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/DK BLU WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/DK BLU WIRE YEL/WHT WIRE

3 1 2 IGN CTRL GND ACTIVE GRILLE AIR SHUTTER ACTUATOR (LEFT SIDE OF FRONT BUMPER LOWER GRILLE) BANK 1 SENSOR 1 HEATED OXYGEN SENSOR (REAR OF ENGINE IN BANK 1 EXHAUST MANIFOLD) BANK 1 SENSOR 2 HEATED OXYGEN SENSOR (DOWNSTREAM OF CATALYTIC CONVERTER) BANK 2 SENSOR 1 HEATED OXYGEN SENSOR (REAR OF ENGINE IN BANK 2 EXHAUST MANIFOLD) BANK 2 SENSOR 2 HEATED OXYGEN SENSOR (DOWNSTREAM OF CATALYTIC CONVERTER) BDY RC IGN FUSE BLK WIRE BLK/BRN WIRE BLK/DK BLU WIRE BLK/VIO WIRE BLK/WHT WIRE BRN/WHT WIRE BRN/YEL WIRE DK BLU WIRE DK BLU/BRN WIRE DK BLU/YEL WIRE ECM COOLING FAN HIGH SPEED RELAY BATT FUSE ENGINE CONTROLS IGNITION RELAY FSCM FUSE GRY/BLK WIRE GRY/DK BLU WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INJ INJ ODD EVEN FUSE FUSE LOGIC LT GRN/DK BLU WIRE LT GRN/WHT WIRE LT GRN/YEL WIRE MULTI-FUNCTION INTAKE AIR SENSOR (TOP OF AIR CLEANER HOUSING) NCA WIRE NON ECM WLK VEH FUSE FUSE NON WLK 02 FUSE POWER DISTRIBUTION SYSTEM RED WIRE RED/BRN WIRE RED/LT GRN WIRE RED/VIO WIRE SAIR PUMP FUSE SECONDARY AIR INJECTION PUMP RELAY TO SECONDARY AIR INJECTION SOLENOID VALVE RELAY (DIAGRAM 4 OF 7) TRN ECM FSC IGN CANN IGN FUSE VENT FUSE FUSE UNDERHOOD FUSE BLOCK (LEFT SIDE OF BATTERY) VIO/BLK WIRE VIO/DK BLU WIRE VIO/GRY WIRE VIO/LT GRN WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/DK BLU WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/DK BLU WIRE YEL/WHT WIRE

A/C COMPRESSOR CLUTCH RELAY AUXILIARY HEATER COOLANT PUMP RELAY AUXILIARY/ ELECTRIC TRANSMISSION FLUID PUMP RELAY BLK/BRN WIRE BLK/DK BLU WIRE BLK/GRY WIRE BLK/LT GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE CHARGE INDICATOR CTRL COOLING FAN LOW SPEED RELAY DK BLU WIRE DK BLU/BRN WIRE DK BLU/GRY WIRE DK BLU/WHT WIRE DK BLU/YEL WIRE ECM (LEFT FRONT OF ENGINE COMPT) ENGINE CONTROL MODULE EVAP CANISTER PURGE SOL CTRL FAN RLY A FROM ENGINE CONTROLS IGNITION RELAY (DIAGRAM 3 OF 7) FUSE GEN FIELD DUTY CYCLE SIG GRY WIRE GRY/DK BLU WIRE GRY/RED WIRE GRY/WHT WIRE HI VOLT SPLY CYL 1 HI VOLT SPLY CYL 2 HI VOLT SPLY CYL 3 HI VOLT SPLY CYL 4 HI VOLT SPLY CYL 5 HI VOLT SPLY CYL 6 HOT AT ALL TIMES INDUCTION AIR TEMP SNSR SIG INTAKE AIR TEMP SNSR LO REF KNOCK SNSR LO REF (1) KNOCK SNSR LO REF (2) KNOCK SNSR SIG (1) KNOCK SNSR SIG (2) LO CTRL BANK 1 SNSR (1) LO CTRL BANK 1 SNSR (2) LO CTRL BANK 2 SNSR (1) LO CTRL BANK 2 SNSR (2) LT GRN/DK BLU WIRE LT GRN/GRY WIRE LT GRN/WHT WIRE LT GRN/YEL WIRE MAP SNSR LO REF MAP SNSR SIG MASS AIR FLOW SNSR SIG RED/GRN WIRE RED/LT GRN WIRE SAIR SOL FUSE SECONDARY AIR INJECTION SOLENOID VALVE RELAY SIGNAL GROUND STARTING/ CHARGING SYSTEM SW SIG THROTTLE ACTUATOR CTRL OPEN THROTTLE POSITION SNSR THROTTLE SENS LO REF TR PARK/NEUTRAL SIG (1) TRANS- MISSIONS SYSTEM VIO/DK BLU WIRE VIO/GRY WIRE WHT WIRE WHT/BRN WIRE WHT/DK BLU WIRE WHT/GRY WIRE YEL WIRE

BLK WIRE BLK/BRN WIRE BLK/DK BLU WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BRN WIRE BRN/GRN WIRE BRN/WHT WIRE DK BLU WIRE DK BLU/GRY WIRE DK BLU/VIO WIRE DK BLU/WHT WIRE DK BLU/YEL WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE OIL LEVEL SWITCH (LOWER RIGHT FRONT SIDE OF ENGINE, MOUNTED TO OIL PAN) FUEL INJECTORS (TOP OF ENGINE) GRY/DK BLU WIRE LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/DK BLU WIRE LT GRN/GRY WIRE LT GRN/WHT WIRE NCA WIRE PPL PPL/WHT WIRE SECONDARY AIR INJECTION BANK 1 SOLENOID VALVE (LEFT OF EXHAUST PORT) SECONDARY AIR INJECTION BANK 2 SOLENOID VALVE (LEFT OF EXHAUST PORT) SPARK PLUG VIO/DK BLU WIRE VIO/GRY WIRE VIO/LT GRN WIRE WHT/BRN WIRE WHT/GRY WIRE WHT/LT GRN WIRE

BLK WIRE BLK/BRN WIRE BLK/DK BLU WIRE BLK/GRY WIRE BLK/LT GRN WIRE BLK/VIO WIRE BRN WIRE BRN/DK BLU WIRE DK BLU WIRE DK BLU/GRY WIRE DK BLU/VIO WIRE DK BLU/WHT WIRE GRY/DK BLU WIRE GRY/YEL WIRE LT GRN WIRE LT GRN/BRN WIRE LT GRN/DK BLU WIRE NCA WIRE SPARK PLUG VIO/BLK WIRE VIO/DK BLU WIRE VIO/LT GRN WIRE WHT/DK BLU WIRE WHT/LT GRN WIRE YEL WIRE YEL/DK BLU WIRE YEL/VIO WIRE

BLK WIRE BLK/BRN WIRE BLK/DK BLU WIRE BLK/GRY WIRE BLK/LT GRN WIRE BLK/VIO WIRE BRN WIRE BRN/DK BLU WIRE CAMSHAFT POS EXHAUST SNSR 1 CAMSHAFT POS INTAKE SNSR 2 CAMSHAFT POS EXHAUST SNSR 2 CAMSHAFT PHASER INTAKE SOL 1 CAMSHAFT POS EXHAUST SNSR LO REF 1 CAMSHAFT POS INTAKE SNSR LO REF 2 COOLANT TEMP SNSR LO REF DK BLU WIRE DK BLU/GRY WIRE DK BLU/VIO WIRE DK BLU/WHT WIRE ENG COOLANT TEMP SNSR SIG OIL PRESSURE SWITCH SIGNAL ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) ENGINE OIL PRESSURE SWITCH (LOWER FRONT OF ENGINE) GRY/DK BLU WIRE GRY/YEL WIRE HI VOLT CTRL CYL 4 HI VOLT CTRL CYL 5 HI VOLT CTRL CYL 2 LT GRN WIRE LT GRN/BRN WIRE LT GRN/DK BLU WIRE VIO/BLK WIRE VIO/BRN WIRE VIO/DK BLU WIRE VIO/LT GRN WIRE WHT/DK BLU WIRE WHT/LT GRN WIRE YEL WIRE YEL/DK BLU WIRE YEL/VIO WIRE