Buick Regal V (2009-2013) serial data Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 13 14 B+ SOL CTRL 1 2 3 4 5 6 SERIAL DATA - 5 6 14 DATA + DATA - SPLY VOLT 5986 2500 2501 COMPUTER DATA LINES SYSTEM ANTI-LOCK BRAKES SYSTEM BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ELECTRONIC BRAKE CONTROL MODULE FUSE 23 GRN WIRE GRN/BRN WIRE HOT AT ALL TIMES LOGIC INSTRUMENT CLUSTER NCA WIRE POWER STEERING CONTROL MODULE (LEFT SIDE OF DASH) RED WIRE SERIAL DATA SERIAL DATA (+) SERIAL DATA (-) SERIAL DATA (+) SOL LOW REF SPLY VOLT GROUND STEERING WHEEL ANGLE SENSOR (STEERING COLUMN BEHIND STEERING WHEEL) SYSTEM UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLU WIRE YEL 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

1 2 NETWORK BUS 4 RR DOOR AJAR SW SIG 2 1 LR DOOR AJAR SW SIG NETWORK BUS 4 2.0L 25 26 FUEL LVL LOW REF 39 40 SERIAL DATA (+) SERIAL DATA (-) 4 6 NETWORK BUS 3 RF DOOR AJAR SW SIG 5986 333 SERIAL DATA BRK FLUID LVL 6 4 LF DOOR AJAR SW SIG NETWORK BUS 3 9 5 NETWORK BUS 2 A/T ACC VOLT RLY COIL CTRL BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLU/VIO WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRAKE FLUID LEVEL SWITCH (ON BRAKE FLUID RESERVOIR) BRN WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW MOTOR (DRIVER'S DOOR) EARLY PRODUCTION LATE PRODUCTION ELECTRONIC BRAKE CONTROL MODULE ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ENGINE CONTROLS SYSTEM ENGINE OIL LEVEL SWITCH (LEFT SIDE ENGINE OIL PRESSURE SWITCH (2.0L: LEFT REAR OF ENGINE) (2.4L: REAR OF ENGINE) FRONT PASSENGER WINDOW MOTOR (FRONT PASSENGER'S DOOR) FUEL PUMP/ SENDER ASSEMBLY (IN FUEL TANK) GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LOGIC NETWORK BUS 2 OF OIL PAN) OIL LVL SW SIG OIL PRESS SW SIG ORG/ WIRE PASSENGER DOOR LATCH ASSEMBLY POWER DISTRIBUTION SYSTEM REAR COMPARTMENT LID LATCH (IN TRUNK LID) REAR COMPT AJAR SW SIG 1 SERIAL DATA RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH SERIAL DATA SUPPLY VOLT TAN/BLK WIRE TRANSMISSION SHIFT LEVER POSITION INDICATOR VIO/GRY WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE

AMPLIFIER CTRL AUDIO SIG (3) AUX AUDIO SCREEN AUX DET SIG AUXILIARY AUDIO INPUT (W/ AUDIO INTERFACE) BATT POS VOLT BLK WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/BLU WIRE BRN/WHT WIRE CENTER SIG CENTER STACK HIGH COMPUTER DATA LINES SYSTEM GMLAN SERIAL DATA GRN WIRE GRY WIRE GRY/GRN WIRE HEADLAMP SWITCH LADDER SIG 1 LEFT AUX SIG LEFT STEERING WHEEL CONTROLS SWITCH LF LO LVL SIG LO LVL SIG (-) LOW REF LR LO LVL SIG MUTE VOICE NCA WIRE NETWORK BUS ORG/ WIRE RADIO RED/GRN WIRE REMOTE ENABLE SIG RF LO LVL SIG RIGHT AUX SIG RIGHT STEERING WHEEL CONTROLS SWITCH RR LO LVL SIG SEEK UP SERIAL DATA SOURCE SEEK DOWN STACK LOW STACK RESET SIG STACK SHIELD STEERING WHEEL AIR BAG COIL SW REF VIO WIRE VOICE SIG VOL VOL WHT WIRE WHT/RED WIRE YEL WIRE

AUDIO SIG (3) AUX AUDIO SCREEN AUX DET SIG AUXILIARY AUDIO INPUT (W/ AUDIO INTERFACE) BATT POS VOLT BLK WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/BLU WIRE CENTER SIG CENTER STACK HIGH COMPUTER DATA LINES SYSTEM GMLAN SERIAL DATA GRN WIRE GRY WIRE GRY/GRN WIRE HEADLAMP SWITCH LADDER SIG 1 LEFT AUX SIG LEFT STEERING WHEEL CONTROLS SWITCH LF SPEAKER (+) LF SPEAKER SIG (-) LOW REF LR SPEAKER (+) LR SPEAKER SIG (-) MUTE NCA WIRE NETWORK BUS ORG/ WIRE RADIO RED/GRN WIRE RF SPEAKER (+) RF SPEAKER SIG (-) RIGHT AUX SIG RIGHT STEERING WHEEL CONTROLS SWITCH RR SPEAKER (+) RR SPEAKER SIG (-) SEEK UP SERIAL DATA SOURCE SEEK DOWN STACK DATA LOW STACK RESET SIG STACK SHIELD STEERING WHEEL AIR BAG COIL SW REF VIO WIRE VOICE VOICE SIG VOL VOL WHT WIRE WHT/RED WIRE YEL WIRE

26 27 SERIAL DATA SERIAL DATA AIR BAG IND AIR BAG ON IND AIR BAG OFF IND AIR BAG ON IND SEAT BELT ON IND BETWEEN FOLLOWING PINS: 1-2, 3-4, 5-6, 7-8) BLK WIRE BLK/ORG WIRE BLU WIRE BRN WIRE BRN/ORG WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE FUSE FUSE FUSE (LEFT SIDE OF ENGINE COMPT) GRN WIRE GRY WIRE GRY/ORG WIRE HOT AT ALL TIMES HOT W/ IGNITION RUN RELAY ENERGIZED IGN 1 VOLT INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (BELOW CENTER CONSOLE) INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK (LOWER LEFT SIDE OF DASH) INSTRUMENT PANEL MULTI-FUNCTION SWITCH 1 LEFT FRONT IMPACT SENSOR (LEFT SIDE OF CROSSMEMBER) LO SPD GMLAN LOGIC LT GRN/RED WIRE MOD STAGE 2 HI NCA WIRE ORG/ WIRE ORG/GRN (OR BLK/ORG) WIRE ORG/GRN WIRE ORG/VIO WIRE ORG/WHT WIRE PASSENGER AIR BAG OFF IND PASSENGER INSTRUMENT PANEL AIR BAG PASSENGER PRESENCE SENSOR PNK WIRE PPL RED/GRY WIRE RED/WHT (OR RED/YEL) WIRE RED/WHT WIRE RIGHT FRONT IMPACT SENSOR (RIGHT SIDE OF CROSSMEMBER) SEAT BELT IND SERIAL DATA SHORTING BAR STEERING WHEEL AIR BAG STEERING WHEEL AIR BAG COIL TAN WIRE UNDERHOOD FUSE BLOCK USED) (NOT VIO/BRN WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/ORG WIRE YEL WIRE YEL/ORG WIRE

ACTR LCK CTRL 2 ACTR UNLCK CTRL AJAR SW SIG 1 BATT POS VOLT (OR 1040) BLK WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DOOR LOCKS SYSTEM DRIVER INFORMATION CENTER DISPLAY EXTERIOR REAR COMPARTMENT LID UNLATCH SWITCH FUEL DOOR LOCK ACTUATOR (RIGHT REAR WHEEL WELL NEAR FUEL DOOR) FUSE 14 FUSE 3 LEFT SIDE OF DASH) GRN WIRE GRY WIRE GRY/YEL WIRE HANDLE SW OPEN SIG HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK (LOWER LOGIC MTR RELEASE CTRL NCA WIRE REAR COMPARTMENT LID UNLATCH RELAY SERIAL DATA SERIAL DATA - COMPUTER DATA LINES SYSTEM UNDER FRONT OF BATTERY TRAY) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VIO/GRY WIRE WHT WIRE YEL/BLU WIRE

5 V REF BATT VOL BLK WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER COMPUTER DATA DATA BUS - DATA LINES EARLY PRODUCTION ENGINE CONTROLS IGNITION RELAY ENGINE COOLANT TEMPERATURE SENSOR (RIGHT REAR OF ENGINE) FUEL PRESSURE SENSOR (IN FUEL TANK) FUEL PUMP CONTROL MODULE (RIGHT REAR OF LUGGAGE COMPT) FUEL PUMP SPLY FUSE FUSE 5 FUSE 52 FUSE 57 FUSE 16 FUSE 62 GRN WIRE GRN/GRY WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN RUN OR START IGN VOLT IGNITION RUN RELAY LATE PRODUCTION LEFT FRONT OF ENGINE COMPT, UNDER FRONT OF BATTERY TRAY) LINES SYSTEM LOW REF PNK TRANSMISSIONS SYSTEM WIRE PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM RED/GRY WIRE RELAY CTRL SENS SIG SERIAL DATA SYSTEM UNDERHOOD FUSE BLOCK VIO/BLU WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE YEL WIRE YEL/VIO WIRE

5 V REF BATT VOL BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER COMPUTER DATA DATA BUS - DATA LINES DK BLU WIRE DK BLU/BLK WIRE ENGINE CONTROLS IGNITION RELAY ENGINE COOLANT TEMPERATURE SENSOR (RIGHT REAR OF ENGINE) FUEL PRESSURE SENSOR (IN FUEL TANK) FUEL PUMP CONTROL MODULE (RIGHT REAR OF LUGGAGE COMPT) FUEL PUMP SPLY FUSE FUSE 5 FUSE 52 FUSE 57 GRN/GRY WIRE GRY WIRE GRY/DK BLU WIRE HOT AT ALL TIMES HOT IN RUN OR START IGN VOLT IGNITION RUN RELAY LEFT FRONT OF ENGINE COMPT, UNDER FRONT OF BATTERY TRAY) LINES SYSTEM LOW REF LT GRN/DK BLU WIRE PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM RED/GRY WIRE RELAY CTRL SENS SIG SERIAL DATA SYSTEM TO SECONDARY AIR INJECTION PUMP RELAY (DIAGRAM 5 OF 6) UNDERHOOD FUSE BLOCK VIO/DK BLU WIRE VIO/LT GRN WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE YEL WIRE