Buick Envision II (2020-2024) power distribution system 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

AUTOMATIC TRANSMISSION INPUT SPEED SENSOR AUTOSAR CAN BUS (+) 2 SERIAL DATA AUTOSAR CAN BUS (+) 5 SERIAL DATA AUTOSAR CAN BUS (-) 5 SERIAL DATA BATT POSITIVE VOLT BLK/BRN WIRE BLK/WHT WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE CLUTCH SOLENOID VALVE C CTRL CLUTCH SOLENOID VALVE D CTRL COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ELECTRONIC TRANS RANGE SELECT OUT OF PARK SW 2 SIG ELECTRONIC TRANS RANGE SELECT OUT OF PARK SW SIG ELECTRONIC TRANS RANGE SELECT SW ANALOG SIG 1 ELECTRONIC TRANS RANGE SELECT SW ANALOG SIG 2 ENGINE CTRL MODULE LIN BUS 1 ENGINE WIRING HARNESS JUNCTION BLOCK GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE HOT AT ALL TIMES IN SPD SIG INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC MULTI-FUNCTION POWER SUPPLY CONVERTER OUT SPD SIG POWER DISTRIBUTION SYSTEM RED WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RUN/CRANK IGNITION 1 VOLT SOLENOID ASSEMBLY CTRL SOLENOID VALVE LOW SIDE CTRL TCC/CLUTCH SELECT SOLENOID VALVE CTRL TRANS CLUTCH F CTRL TRANS CLUTCH G CTRL TORQUE CONV CLUTCH SOLENOID VALVE CTRL TRANS CTRL MODULE GND 62 TRANS FLUID TEMP SENS LOW REF TRANS FLUID TEMP SENS SIG TRANS HI SIDE DRIVER 1 CTRL TRANS HI SIDE DRIVER 2 CTRL TRANS INPUT SHAFT TRANS INTERMEDIATE SPD SIG TRANS OIL LEVEL SENS SIG TRANS OUTPUT SHAFT TRANSMISSION CONTROL MODULE (TOP OF TRANSMISSION) TRANSMISSION FLUID PRESSURE ACCUMULATOR SOLENOID VALVE VIO WIRE VIO/BLK WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/YEL WIRE 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 IND A/C SWITCH ANTI-THEFT SYSTEM AUTO IND AUTO SWITCH BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/WHT WIRE BLU/YEL WIRE CLIMATE SWITCH COMPUTER DATA LINES SYSTEM EXTERIOR AMBIENT AIR QUALITY SENSOR FAN DOWN FAN UP FRONT HEATER, AIR CONDITIONING USER INTERFACE CONTROL GRN/BRN WIRE GRN/WHT WIRE GRY WIRE GRY/GRN WIRE HEADLIGHTS SYSTEM ILL IND INSIDE AIR MOISTURE, WINDSHIELD TEMPERATURE SENSOR INSIDE AMBIENT AIR QUALITY PARTICULATE SENSOR MODULE LOGIC MAX WINDSHIELD DEFROST IND MAX WINDSHIELD DEFROST SWITCH NCA WIRE ON/OFF IND ON/OFF SWITCH PASSENGER POWER DISTRIBUTION SYSTEM RECIRCULATION IND RECIRCULATION SWITCH RED/GRY WIRE RED/YEL WIRE SUNLOAD, AMBIENT LIGHT, SECURITY INDICATOR SENSOR SWITCH SYNC TEMPERATURE VIO/BLU WIRE VIO/GRY WIRE WHT/BLU WIRE WHT/GRY 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

AJAR SW SIG AUTOSAR CAN BUS BATT POS VOLT BATT POS VOLT INSTRUMENT PANEL ACCENT LIGHTING CTRL GROUND BLK WIRE BLU/GRN WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BRN/BLU WIRE COMPUTER DATA COMPUTER DATA LINES SYSTEM DOME LAMP IND DOME LAMP ON/OFF SWITCH DOME LAMP TURN OFF SWITCH DRIVER FRONT SIDE DOOR LATCH DRIVER FRONT SIDE DOOR WINDOW REGULATOR MOTOR DRIVER INFORMATION CENTER DISPLAY ENGINE WIRING HARNESS JUNCTION BLOCK FRONT READING LAMP IND FRONT READING LAMP SWITCH GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK INTERIOR DOOR HANDLE ACCENT LIGHTING CTRL INTERIOR LAMP CTRL LEFT REAR SIDE DOOR LATCH LEFT REAR SIDE DOOR WINDOW SWITCH LINES SYSTEM LOGIC MULTI-FUNCTION POWER SUPPLY CONVERTER NETWORK BUS 3 NETWORK BUS 4 PASSENGER FRONT SIDE DOOR LATCH PASSENGER FRONT SIDE DOOR WINDOW REGULATOR MOTOR POWER DISTRIBUTION SYSTEM REAR COMPT COURTESY LAMP CTRL REAR READING LAMP IND REAR READING LAMP SWITCH REAR SEAT CENTER READING LAMP RED WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE ROOF CONSOLE VIO/GRY WIRE W/ SUNROOF W/ UNIVERSAL GARAGE DOOR OPENER W/O SUNROOF WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/YEL WIRE

BLK WIRE DRIVER FRONT SEAT BACK VENTILATION BLOWER DRIVER FRONT SEAT CUSHION VENTILATION BLOWER GRN WIRE GRN/VIO WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED IGN INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC MTR SPD CTRL PASSENGER FRONT SEAT BACK VENTILATION BLOWER PASSENGER FRONT SEAT CUSHION VENTILATION BLOWER POWER DISTRIBUTION SYSTEM VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE

AUTO AUTOSAR CAN BUS BATT POS VOLT BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE COMPUTER DATA COMPUTER DATA LINES SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK FLOOR CONSOLE ACCESSORY FUNCTION SWITCH FLOOR CONSOLE FRONT ACCESSORY POWER RECEPTACLE FLOOR CONSOLE REAR DUAL CHARGE ONLY RECEPTACLE FRONT HEATER, AIR CONDITIONING USER INTERFACE CONTROL GEAR SHIFT CONTROL MODULE GRN/GRY WIRE GROUND HAZARD WARNING SWITCH HEAD HEAD-UP DISPLAY SWITCH HEADLAMP SWITCH HEADLAMP SWITCH PARK LAMP SIGNAL HOT AT ALL TIMES INSTRUMENT PANEL DIMMER SWITCH INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT REAR SEAT HEATER SWITCH LINES SYSTEM LOGIC MULTI-FUNCTION POWER SUPPLY CONVERTER MULTIMEDIA RECEPTACLE OFF ON/OFF VEHICLE SWITCH PARK POWER DISTRIBUTION SYSTEM RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE RIDE CONTROL SWITCH RIGHT REAR SEAT HEATER SWITCH WHT WIRE YEL WIRE YEL/GRY WIRE

A/C IND A/C SWITCH AIR OUTLET ANTI-THEFT SYSTEM BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/WHT WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM DEFROST EXTERIOR AMBIENT AIR QUALITY SENSOR FRONT HEATER, AIR CONDITIONING USER INTERFACE CONTROL GRN/BRN WIRE GRN/WHT WIRE GRY WIRE GRY/GRN WIRE HEADLIGHTS SYSTEM ILL IND INSIDE AIR MOISTURE, WINDSHIELD TEMPERATURE SENSOR INSIDE AMBIENT AIR QUALITY PARTICULATE SENSOR MODULE LOGIC LOWER MAX WINDSHIELD DEFROST IND MAX WINDSHIELD DEFROST SWITCH NCA WIRE ON/OFF IND ON/OFF SWITCH POWER DISTRIBUTION SYSTEM RECIRCULATION IND RECIRCULATION SWITCH RED/GRY WIRE RED/YEL WIRE SUNLOAD, AMBIENT LIGHT, SECURITY INDICATOR SENSOR SWITCH TEMPERATURE CONTROL SWITCH UPPER VENTILATING FAN SWITCH VIO/BLU WIRE VIO/GRY WIRE WHT/BLU WIRE WHT/GRY WIRE

BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRN/BLU WIRE BRN/WHT WIRE COAX GRN WIRE GRN/BLK WIRE GRY WIRE GRY/BRN WIRE LEFT INSTRUMENT PANEL RADIO FRONT SPEAKER LEFT RADIO FRONT SIDE DOOR SPEAKER LEFT RADIO REAR SIDE DOOR SPEAKER LEFT RIGHT LOGIC MULTIMEDIA RECEPTACLE MUTE POWER DISTRIBUTION SYSTEM RED/BRN WIRE RED/GRN WIRE RIGHT INSTRUMENT PANEL RADIO FRONT SPEAKER RIGHT RADIO FRONT SIDE DOOR SPEAKER RIGHT RADIO REAR SIDE DOOR SPEAKER SELECT STEERING WHEEL AIR BAG COIL STEERING WHEEL RADIO CONTROL SWITCH TRANSMISSIONS SYSTEM USB VOICE VOL DOWN VOL UP WHT WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE