Buick Regal V (2009-2013) logic Wiring diagrams

24 8 SENS LO REF ENG TEMP SENS SIG 2501 2500 COMPUTER DATA LINES SYSTEM 40 39 GMLAN SERIAL DATA (-) GMLAN SERIAL DATA (+) 52 42 59 BATT + VOLT HI SPD FAN RLY CTRL LO SPD FAN RLY CTRL BLK WIRE BLK/WHT WIRE BLU WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COOLING FAN HIGH SPEED RELAY COOLING FAN LOW SPEED RELAY COOLING FAN RELAY COOLING FAN SPEED CONTROL 2 RELAY COOLING FAN SPEED CONTROL RELAY ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE SENSOR (RIGHT REAR OF ENGINE) FUSE FUSE 2 FUSE 42 FUSE 45 GRN WIRE GRN/BLK WIRE GRY WIRE HOT AT ALL TIMES HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED INSTRUMENT CLUSTER LEFT COOLING FAN MEDIUM SPEED RELAY LEFT COOLING FAN MOTOR (BEHIND LEFT SIDE OF RADIATOR) LEFT FRONT OF ENGINE COMPT, UNDER FRONT OF BATTERY TRAY) LOGIC OF ENGINE COMPT) OF RADIATOR) RED/WHT WIRE RIGHT COOLING FAN MEDIUM SPEED RELAY RIGHT COOLING FAN MOTOR (BEHIND RIGHT SIDE OF RADIATOR) TAN WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE UNDERHOOD RELAY BLOCK (MOUNTED ON LEFT FRONT RADIATOR SUPPORT) VIO/BLU WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

2.0L 2.4L 24 25 SERIAL DATA(-) SERIAL DATA(+) 39 40 SERIAL DATA (+) SERIAL DATA (-) ACC VOLT AUTOMATIC TRANSMISSION ASSEMBLY BLK WIRE BLU WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DATA BUS - ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) FUSE 69 GEAR SHIFT POSITION SENSOR GRN WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES LEFT BACKUP LAMP LEFT INNER TAIL- LAMP LEFT OUTER TAIL LAMP LEFT STOP/TURN SIGNAL LAMP LEFT TAIL LAMP ASSEMBLY LOGIC LOGIC INSIDE REARVIEW MIRROR NCA WIRE ORG/BLK WIRE P/N SIG PARK/NEUTRAL SIG RED WIRE RED/GRY WIRE RIGHT BACKUP LAMP RIGHT INNER TAIL- LAMP RIGHT OUTER TAIL LAMP RIGHT STOP/TURN SIGNAL LAMP RIGHT TAIL LAMP ASSEMBLY SIG A SIG B SIG C SIG P SUPPLY VOLT TAN WIRE TAN/BLK WIRE TRANS- MISSION INTERNAL MODE SWITCH TRANSMISSION CONTROL MODULE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE YEL WIRE

2.0L 2.4L 23 24 7 13 SERIAL BUS - SERIAL BUS + SENSOR SIG 5 VOLT REF 30 15 14 53 34 33 LOW REF PDL POSITION SIG 1 57 73 39 40 BRAKE SIG IGN SERIAL DATA (+) SERIAL DATA (-) ACCELERATOR PEDAL POSITION SENSOR (LEFT SIDE OF DASH) AUTOMATIC TRANSMISSION ASSEMBLY BLK WIRE BLK/BLU WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRAKE PEDAL POSITION SENSOR (NEAR TOP OF ACCELERATOR PEDAL ASSEMBLY) BRAKE SIG BRN WIRE BRN/GRN WIRE BRN/RED WIRE CANCEL CRUISE SWITCH COMPUTER DATA LINES SYSTEM CRUISE CTRL SW SIG CRUISE IND SER DATA DK BLU WIRE DRIVER INFORMATION CENTER DISPLAY B+ ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) FUSE FUSE (LOWER LEFT SIDE OF DASH) GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GROUND GRY WIRE HEADLIGHTS, INTERIOR LIGHTS SYSTEMS HIGH SIGNAL HOT AT ALL TIMES HOT AT ALL TIMES UNDERHOOD FUSE BLOCK FUSE (LEFT SIDE OF ENGINE COMPT) HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LEFT STEERING WHEEL CONTROLS SWITCH LOGIC LOW REF LOW SIGNAL LT BLU/WHT WIRE NCA WIRE PNK/BLK WIRE POSITIVE VOLTAGE RED/GRY WIRE RES+ SER DATA SET- SOUND SYSTEMS STEERING WHEEL AIR BAG COIL SW REF TRANSMISSION CONTROL MODULE TRANSMISSION CONTROL MODULE CONTROL SOLENOID VALVE ASSEMBLY TRANSMISSION INPUT SHAFT SPEED SENSOR TRANSMISSION OUTPUT SHAFT SPEED SENSOR VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

BARE BATTERY FUSE BLOCK (TOP OF BATTERY) BLK WIRE BRN WIRE BRN/VIO WIRE BRN/YEL WIRE DRIVER OUTSIDE REARVIEW MIRROR GLASS DRIVER OUTSIDE REARVIEW MIRROR FUSE 28 FUSE 5 FUSE 60 GRN/WHT WIRE GRN/YEL WIRE HOT AT ALL TIMES HVAC CONTROL MODULE (BEHIND CENTER OF DASH, ON HVAC ASSEMBLY) HVAC CONTROLS LEFT FRONT OF ENGINE COMPT, UNDER FRONT OF BATTERY TRAY) LEFT REAR WINDOW DEFOGGER NOISE FILTER (TOP OF LEFT "C" PILLAR) LOGIC NETWORK 9 PASSENGER OUTSIDE REARVIEW MIRROR PASSENGER REARVIEW OUTSIDE MIRROR GLASS REAR DEFOG RLY CTRL REAR DEFOGGER GRID REAR DEFOGGER IND REAR DEFOGGER RELAY REAR DEFOGGER SWITCH RED WIRE RIGHT REAR WINDOW DEFOGGER NOISE FILTER (TOP OF RIGHT "C" PILLAR) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) YEL WIRE

22 14 GMLAN SERIAL DATA TRACTION CTRL SW SIG 5060 1788 COMPUTER DATA LINES SYSTEM 5986 3256 3259 COMPUTER DATA LINES SYSTEM 8 17 SPORT MODE IND SIG TOUR MODE IND SIG BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY FUSE 1 GMLAN SER DATA GMLAN SER DATA GRN WIRE GRN/GRY WIRE GRN/RED WIRE GRN/VIO WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE GRY/WHT WIRE HOT AT ALL TIMES IND DIMMING CTRL INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK (LOWER LEFT SIDE OF DASH) INSTRUMENT PANEL MULTI-FUNCTION SWITCH 2 LEFT FRONT SHOCK ABSORBER ACTUATOR (MOUNTED TO LEFT FRONT KNUCKLE) LEFT REAR SHOCK ABSORBER ACTUATOR (LEFT REAR SUSPENSION) LOGIC ORG/ WIRE REAR VERTICAL BODY ACCELERATION SENSOR (LEFT FRONT OF LUGGAGE COMPT) RED/WHT WIRE RIGHT FRONT SHOCK ABSORBER ACTUATOR (MOUNTED TO RIGHT FRONT KNUCKLE) RIGHT REAR SHOCK ABSORBER ACTUATOR (RIGHT REAR SUSPENSION) SHIFT SELECT SW PER SIG SPORT IND SPORT MODE IND SIG SPORT SWITCH SUSPENSION CONTROL MODULE (LEFT REAR OF LUGGAGE COMPT) TOUR IND TOUR SWITCH TRACTION CONTROL SWITCH VIO WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/RED WIRE

BLK WIRE BLK/BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE PEDAL POSITION SENSOR (NEAR TOP OF ACCELERATOR PEDAL ASSEMBLY) COMPUTER DATA LINES SYSTEM FROM HOOD HINGE) FUSE 52 GRN WIRE GRN/VIO WIRE GRY/BLU WIRE HOT W/ IGNITION RUN RELAY ENERGIZED INSTRUMENT CLUSTER LEFT FRONT PARK LAMP LEFT FRONT SIDE MARKER LAMP LEFT FRONT TURN SIGNAL LAMP LEFT HEADLAMP LEFT OUTER TAIL LAMP LEFT STOP/ TURN SIGNAL LAMP LEFT INNER TAIL LAMP LEFT TAIL LAMP ASSEMBLY LEFT TURN IND LEFT TURN SIGNAL REPEATER LAMP LOGIC PARK LAMPS IND RIGHT TURN IND RIGHT TURN SIGNAL REPEATER LAMP RUN/CRANK IGNITION 1 VOLT SERIAL DATA TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VIO/BLU WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/GRN WIRE

BLK WIRE BLK/BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE PEDAL POSITION SENSOR (NEAR TOP OF ACCELERATOR PEDAL ASSEMBLY) COMPUTER DATA LINES SYSTEM FROM HOOD HINGE) FUSE 52 GRN WIRE GRN/VIO WIRE HOT W/ IGNITION RUN RELAY ENERGIZED INSTRUMENT CLUSTER LEFT FRONT SIDE MARKER LAMP LEFT FRONT TURN SIGNAL LAMP LEFT HEADLAMP LEFT INNER TAIL LAMP LEFT OUTER TAIL LAMP LEFT PARK/ TURN SIGNAL LAMP LEFT STOP/ TURN SIGNAL LAMP LEFT TAIL LAMP ASSEMBLY LEFT TURN IND LEFT TURN SIGNAL REPEATER LAMP LOGIC PARK LAMPS IND RIGHT TURN IND RIGHT TURN SIGNAL REPEATER LAMP RUN/CRANK IGNITION 1 VOLT SERIAL DATA TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VIO/BLU WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/GRN WIRE

2500 2501 1134 COMPUTER DATA LINES SYSTEM AUTO 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, SOUND SYSTEMS DIMMER SWITCH EARLY PRODUCTION LATE PRODUCTION FOG LAMP SWITCH FRONT FOG LAMP IND FUSE GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GROUND GRY/RED WIRE HEAD PARK HEADLAMP SWITCH HIGH BEAM LAMP IND HOT AT ALL TIMES IGN INSTRUMENT CLUSTER LEFT FRONT FOG LAMP LOGIC LOW SPD GMLAN SER DATA 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 VIO/YEL WIRE WHT WIRE WHT/BRN WIRE YEL WIRE YEL/RED WIRE

5-V 1 REF 5-VOLT 2 REF ACTUATOR HI CTRL ACTUATOR LOW CTRL BLK WIRE BLU WIRE BRN WIRE BRN/WHT WIRE CAMSHAFT POS INTAKE COMPUTER DATA LINES SYSTEM CRANKSHAFT SENS SIG CTRL CYLINDER 1 CTRL CYLINDER 2 CTRL CYLINDER 3 CTRL CYLINDER 4 DATA DK BLU WIRE DRIVER INFORMATION CENTER (DIC) EARLY PRODUCTION ECT SENS SIG ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) ENGINE OIL IND ENGINE OIL PRESSURE SWITCH EXHAUST SENS (1) EXHAUST SOL (1) GMLAN GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE HIGH PRESSURE FUEL PUMP (LEFT REAR OF ENGINE) IC CTRL (1) IC CTRL (2) IC CTRL (3) IC CTRL (4) IGN IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 INSTRUMENT PANEL CLUSTER (IPC) INTAKE SOL (1) LATE PRODUCTION LOGIC LOW REF MALFUNCTION IND LAMP (MIL) NCA WIRE OIL PRESS SW SIG ORG/ WIRE ORG/WHT WIRE PNK/BLK WIRE SERIAL SERIAL GMLAN SPARK PLUG TO IGNITION COIL 4, CAMSHAFT POSITION SENSOR - EXHAUST) VIO WIRE VIO/BLK WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/VIO WIRE

5-V 1 REF 5-VOLT 2 REF ACTU HI CTRL ACTU LOW CTRL BLK WIRE BLK/BRN WIRE BLK/DK BLU WIRE BLK/GRY WIRE BLK/LT GRN WIRE BLK/VIO WIRE BRN WIRE BRN/WHT WIRE CAM POS INTAKE COMPUTER DATA LINES SYSTEM CRANK SENS SIG CTRL CYLINDER 1 CTRL CYLINDER 2 CTRL CYLINDER 3 CTRL CYLINDER 4 DATA DK BLU (OR YEL) WIRE DK BLU WIRE DK BLU/ LT GRN WIRE DK BLU/BLK WIRE DK BLU/PPL WIRE DK BLU/VIO WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT (OR YEL/ WIRE DK GRN/WHT WIRE DRIVER INFORMATION CENTER (DIC) EARLY PRODUCTION ECT SENS SIG ENGINE COMPT) ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) ENGINE OIL IND ENGINE OIL PRESSURE SWITCH (REAR OF ENGINE) EXH SENS (1) EXHAUST SOL (1) GRN WIRE GRY/DK BLU WIRE HIGH PRESSURE FUEL PUMP (LEFT REAR OF ENGINE) IC CTRL (1) IC CTRL (2) IC CTRL (3) IC CTRL (4) IGN IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 INSTRUMENT PANEL CLUSTER (IPC) INTAKE SOL (1) LATE PRODUCTION LOGIC LOW REF LT GRN WIRE LT GRN/DK BLU WIRE MALFUNCTION IND LAMP (MIL) NCA WIRE OIL PRESS SW SIG SERIAL GMLAN SPARK PLUG VIO WIRE VIO/BLK WIRE VIO/BRN WIRE VIO/DK BLU (OR PNK/BLK) WIRE VIO/DK BLU WIRE VIO/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/DK BLU WIRE YEL/VIO WIRE