Buick Envision II (2020-2024) (base of left "a" pillar) Wiring diagrams

AFL IND AUTOSAR CAN BUS (+) 2 SERIAL DATA BLK WIRE BLU/BRN WIRE BLU/YEL WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE WIRING HARNESS JUNCTION BLOCK GROUND HEADLAMP CONTROL MODULE HIGH BEAM LAMP IND HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE LEFT FRONT HEADLAMP LEFT HEADLAMP CONTROL MODULE LIGHTING CONTROL MODULE LOGIC LOW SPD GMLAN SER DATA 2 POWER DISTRIBUTION SYSTEM RED/BRN WIRE RED/WHT WIRE RIGHT FRONT HEADLAMP RIGHT HEADLAMP CONTROL MODULE WHT WIRE WHT/BLU WIRE WHT/YEL WIRE

AUTOSAR CAN BUS (+) 2 SERIAL DATA AUTOSAR CAN BUS (+) 3 SERIAL DATA BATT POSITIVE VOLT BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BLU/BLK WIRE BLU/YEL WIRE BODY CONTROL MODULE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT AUTOMATIC TRANSMISSION MANUAL SHIFT AUXILIARY POSITION SWITCH RED WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE STEERING WHEEL AIR BAG COIL TAP UP/TAP DOWN SW SIG VIO WIRE VIO/BLK WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE

AUTOSAR CAN BUS (+) 3 SERIAL DATA BATTERY POS VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM GEAR SHIFT CONTROL MODULE (IN FLOOR CONSOLE) GRN/BLK WIRE GRY/BRN WIRE POWER DISTRIBUTION SYSTEM POWERTRAIN SENS BUS ENABLE PRIVATE SERIAL DATA POWERTRAIN CAN BUS (+) SERIAL DATA RED/GRN WIRE RED/GRY WIRE RIGHT AUTOMATIC TRANSMISSION MANUAL SHIFT AUXILIARY POSITION SWITCH RUN/CRANK IGN 1 VOLT STEERING WHEEL AIR BAG COIL STEERING WHEEL RADIO CONTROL SWITCH VIO/BLK WIRE VIO/GRN WIRE VIO/YEL WIRE WHT WIRE YEL/BLK WIRE YEL/BLU WIRE

A/C EVAPORATOR TEMP SENS SIG ACCELERATE SW SIG AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM AMBIENT LIGHT SENS SIG ANTI-LOCK BRAKES SYSTEM ANTI-THEFT, DOOR LOCKS SYSTEMS AUTO HI BEAM ASSIST SW SIG AUTO WIPER ON SIG AUTOSAR CAN BUS (-) 2 SER DATA BATT POS VOLT BLK WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLOWER MTR SPD CTRL BLOWER SPD FEEDBACK SIG BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BODY CONTROL MODULE (BELOW CENTER OF INSTRUMENT PANEL, ON FLOOR) BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS DRIVER SOLAR SENS SIG ENHANCED DR MODE 1 SW SIG EXTERIOR LIGHTS SYSTEM AIR CONDITIONING SYSTEM GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/WHT WIRE HAZARD WARNING SW SIG HEADLAMP SW FLASH SIG HEADLAMP SW OFF SIG HEADLAMP SW ON SIG HEADLAMP SW PARK LAMP SIG HEADLIGHTS SYSTEM HIGH BEAM SIG HILL DESCENT CTRL SW SIG HORN SW SIG HORNS SYSTEM HOT AT ALL TIMES HVAC REMOTE ENABLE SIG HVAC SYSTEM ENABLE SIG I/P LAMP DIMMER SW SIG IGN MODE SW ACCESSORY LED SIG IGN MODE SW MODE VOLT IMMOBILIZER ANTENNA LOW SIG IMMOBILIZER ANTENNA SIG (+) INSIDE AIR TEMP SENS SIG INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK INTERIOR LAMP CTRL IP ACCENT LIGHTING CTRL IP LAMP DIMMER SW LOW REF LADDER LOW REF LANE DEPARTURE WARNING DISABLE SW SIG LED BACKLIGHT DIMMING CTRL 1 LEFT TURN SIG SW SIG LIN BUS 12 LIN BUS 5 LIN BUS 6 LR SEAT HEATING SW SIG MODE SW START LED SIG NAVIGATION SYSTEM OPEN/CLOSE SW SIG PARKING ASSIST DISABLE LED SIG PARKING ASSIST DISABLE SIG PARKING ASSIST DISABLE SW SIG PASSIVE ENTRY ANTENNA 1 HI SIG PASSIVE ENTRY ANTENNA 1 LOW SIG POWER DISTRIBUTION SYSTEM POWER RELAY 2 COIL CTRL REAR WINDOW WIPER SW SIG RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RIGHT TURN SIG SW SIG RR SEAT HEATING SW SIG RUN/CRANK RELAY COIL CTRL SEATS SYSTEM SENS LOW REF STARTING/CHARGING SYSTEM STOP/START IND CTRL STOP/START SW SIG TAP UP/TAP DOWN SW SIG TRACTION CTRL SW SIG TRANSMISSIONS SYSTEM UP/DOWN SW SIG VIO/BLU WIRE VIO/YEL WIRE WARNING IND CTRL WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/VIO WIRE WHT/YEL WIRE WINDSHIELD WASHER SW SIG WINDSHIELD WIPER SW LOW REF WINDSHIELD WIPER SW LOW SIG WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM CRUISE CONTROL SYSTEM YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE

AIR CONDITIONING SYSTEM AMBIENT LIGHT SENSOR SIGNAL AUTO HIGH BEAM ASSIST SWITCH SIGNAL AUTO HIGH BEAM SWITCH AUTO PARK BCM LIN BUS 6 BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BODY CONTROL MODULE COMPUTER DATA LINES SYSTEM GEAR SHIFT CONTROL MODULE GRN/BRN WIRE GRN/VIO WIRE GRN/YEL WIRE GRY/BRN WIRE HEAD OFF HEADLAMP SWITCH HEADLAMP SWITCH FLASH SIGNAL HEADLAMP SWITCH OFF SIGNAL HEADLAMP SWITCH ON SIGNAL HI FTP HIGH BEAM SELECT SWITCH HIGH BEAM SIGNAL HOT AT ALL TIMES INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC MULTI-FUNCTION POWER SUPPLY CONVERTER PARK BRAKE SWITCH PARKING BRAKE CONTROL SWITCH RED/GRN WIRE RED/GRY WIRE SENSOR LOW REFERENCE SUNLOAD, AMBIENT LIGHT, SECURITY INDICATOR SENSOR TURN SIGNAL SWITCH WHT WIRE WHT/BLU WIRE WHT/VIO WIRE YEL/BRN WIRE

BATT POS VOLT BLK WIRE BLK/GRN WIRE BRN/BLU WIRE BUS 7 (-) COMPUTER DATA LINES SYSTEM DISPLAY ETHERNET GRN/BLK WIRE GRY/BLU WIRE HEAD-UP HEAD-UP DISPLAY HEAD-UP DISPLAY SWITCH HOT AT ALL TIMES HUD DOWN HUD SW LOW REF HUD SW SIG HUD UP INFO INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC LVDS LVDS GY HEAD-UP DISPLAY MUTE RED/YEL WIRE SERIAL DATA BUS 1 YEL WIRE YEL/WHT WIRE

AUTOSAR CAN BUS (+) 5 SERIAL DATA BATT POS VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BODY CTRL MODULE LIN BUS 5 AUTOSAR CAN BUS (+) 2 SERIAL DATA GND BRN/BLK WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE WIRING HARNESS JUNCTION BLOCK GRN/BLK WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL LOW FREQUENCY ANTENNA INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT FRONT EXTERIOR DOOR HANDLE SWITCH UNLOCK SIG LF DOOR LOCK ACTUATOR CTRL LF DOOR OPEN SWITCH SIG LIN BUS 16 LOCK ACTUATOR UNLOCK CTRL 1 LOGIC PASSIVE ENTRY HI SIG PASSIVE ENTRY LOW SIG REAR BUMPER LOW FREQUENCY ANTENNA REAR CONSOLE LOW FREQUENCY ANTENNA RED/VIO WIRE RED/YEL WIRE REMOTE FUNCTION ACTUATOR MODULE RF DOOR LOCK ACTUATOR CTRL SECURITY IND SIG GND VIO WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/GRY WIRE YEL/GRN WIRE

A SIG AJAR SW SIG BLK WIRE BLU/YEL WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CAN-BUS COMPUTER COMPUTER DATA LINES SYSTEM DATA LINES DRIVER DOOR LOCK SWITCH DRIVER FRONT SIDE DOOR WINDOW CONTROL SWITCH ENGINE CONTROL MODULE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/VIO WIRE HOOD LIFTGATE LATCH LOGIC NETWORK BUS 4 PASSENGER DOOR LOCK SWITCH PASSENGER FRONT SIDE DOOR WINDOW CONTROL SWITCH RIGHT REAR SIDE DOOR LATCH RIGHT REAR SIDE DOOR WINDOW SWITCH STATUS SYSTEM VIO/GRY WIRE VIO/WHT WIRE W/ MEMORY W/O MEMORY WHT WIRE YEL WIRE YEL/GRN WIRE YEL/VIO WIRE

AJAR SW SIG BLK WIRE BLU/YEL WIRE COMPUTER COMPUTER DATA LINES SYSTEM DATA LINES DRIVER FRONT SIDE DOOR LATCH DRIVER FRONT SIDE DOOR WINDOW CONTROL SWITCH DRIVER FRONT SIDE DOOR WINDOW REGULATOR MOTOR GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE LEFT REAR SIDE DOOR LATCH LEFT REAR SIDE DOOR WINDOW SWITCH LF DR AJAR SW SIG LOGIC NETWORK BUS 4 PASSENGER FRONT SIDE DOOR LATCH PASSENGER FRONT SIDE DOOR WINDOW REGULATOR MOTOR SYSTEM VIO/GRY WIRE WHT WIRE WHT/VIO WIRE YEL/GRN WIRE

ALL WHEEL DRIVE POWER TRANS UNIT POS SENS LOW REF ALL WHEEL DRIVE POWER TRANSFER UNIT MOTOR CTRL A ALL WHEEL DRIVE POWER TRANSFER UNIT MOTOR CTRL B ALL WHEEL DRIVE POWER TRANSFER UNIT MOTOR SHIELD ALL WHEEL DRIVE POWER TRANSFER UNIT POS SENS SIG ALL WHEEL DRIVE POWER TRANSFER UNIT POS SENS VOLT REF AUTOSAR CAN BUS (+) 2 SERIAL DATA AUTOSAR CAN BUS (+) 5 SERIAL DATA AUTOSAR CAN BUS (-) 5 SERIAL DATA AUTOSAR CAN BUS (-) 2 SERIAL DATA BATT POSITIVE VOLT BATTERY POSITIVE VOLT BLK WIRE BLK/VIO WIRE BLK/WHT WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BRN WIRE BRN/GRN WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DIFFERENTIAL CLUTCH PUMP DRIVER INFORMATION CENTER DISPLAY ENGINE WIRING HARNESS JUNCTION BLOCK ENHANCED DRIVER MODE 1 SW SIG GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LIMITED SLIP DIFFERENTIAL CLUTCH VALVE LOGIC NCA WIRE POWER TRANSFER UNIT SHIFT ACTUATOR REAR DRIVE CONTROL MODULE (AT REAR DIFFERENTIAL) RED WIRE RED/BRN WIRE RED/WHT WIRE RIDE CONTROL SWITCH VIO/BRN WIRE VIO/GRN WIRE WHT WIRE WHT/BLU WIRE WHT/RED WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE YEL/GRN WIRE