Buick Envision II (2020-2024) Computer data lines circuit

BATTERY POSITIVE VOLTAGE BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE SYSTEM CONTROL MODULE BRAKE MASTER CYLINDER BRN WIRE CAN BUS (+) 1 CAN BUS (+) 2 CAN BUS (+) 3 SERIAL DATA CAN BUS (+) 4 SERIAL DATA CAN BUS (+) 5 SERIAL DATA CAN BUS (+) 6 SERIAL DATA CAN BUS (-) 1 SERIAL DATA CAN BUS (-) 2 SERIAL DATA CAN BUS (-) 7 SERIAL DATA CAN BUS (-) 8 SERIAL DATA DATA LINK CONNECTOR ETHERNET BUS 1 ENABLE SIG GRN WIRE GRN/BLK WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LIN BUS 1 ON/OFF VEHICLE SWITCH PARKING BRAKE CONTROL SWITCH PASS START SW 2 LOW REF PASSIVE START SWITCH SIG 2 POWER STEERING CONTROL MODULE RED/BLU WIRE RED/WHT WIRE RUN/CRANK RELAY COIL CTRL SIGNAL GROUND TOP OF TRANSMISSION) TRANSMISSION CONTROL MODULE VIO WIRE WHT WIRE WHT/GRY WIRE YEL WIRE YEL/WHT WIRE

BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE CAN BUS (+) 1 CAN BUS (+) 2 CAN BUS (-) 8 CAN-BUS GRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE HEADLAMP CONTROL MODULE HOT AT ALL TIMES INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LONG RANGE FORWARD RANGE RADAR SENSOR PASSENGER RESTRAINTS OCCUPANT CLASSIFICATION SYSTEM MODULE RED/WHT WIRE RESTRAINTS CONTROL MODULE VIO WIRE W/ ADAPTIVE FRONT LIGHTING W/ BRAKE PREFILL INTEGRATED BRAKE ASSIST W/O ADAPTIVE FRONT LIGHTING W/O BRAKE PREFILL INTEGRATED BRAKE ASSIST WHT WIRE WHT/GRY WIRE WHT/YEL WIRE WINDSHIELD FRONT VIEW CAMERA YEL WIRE

BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE CAN BUS (+) 1 CAN BUS (+) 2 CAN BUS (-) 8 CAN BUS COMM ENABLE GRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE IMAGE PROCESSING MODULE LEFT FRONT HEADLAMP LEFT HEADLAMP CONTROL MODULE LIGHTING CONTROL MODULE PARKING ASSIST CONTROL MODULE POWER DISTRIBUTION SYSTEM RIGHT HEADLAMP CONTROL MODULE RIGHT FRONT HEADLAMP RUN/CRANK RELAY COIL CTRL SUSPENSION CONTROL MODULE VIDEO PROCESSING MODULE (LEFT SIDE OF LUGGAGE COMPT) VIO WIRE W/ 360 VISION VIEW W/ BRAKE PREFILL INTEGRATED BRAKE ASSIST W/O 360 VISION VIEW W/O BRAKE PREFILL INTEGRATED BRAKE ASSIST WHT WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/YEL WIRE YEL WIRE

BLU/BLK WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/BLU WIRE CAN BUS (+) 4 CAN BUS (-) 5 CAN-BUS DRIVER SEAT ADJUSTER MEMORY MODULE ETHERNET BUS 4 (-) ETHERNET BUS 7 (-) FRONT HEATER, AIR CONDITIONING USER INTERFACE CONTROL GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/WHT WIRE INSTRUMENT PANEL CLUSTER CONTROL MODULE LEFT SIDE OBSTACLE DETECTION CONTROL MODULE LIN BUS 1 LOW LEVEL MID/HIGH LEVEL RIGHT SIDE OBSTACLE DETECTION CONTROL MODULE TELEMATIC CONTROL MODULE VIO WIRE W/ MEMORY W/ PORTABLE WIRELESS DEVICE CHARGER W/ POWER LIFTGATE W/O OBSTACLE DETECTION W/0 MEMORY W/O PORTABLE WIRELESS DEVICE CHARGER WHT WIRE WIRELESS ACCESSORY CHARGING MODULE YEL WIRE

AIR INLET VALVE ACTUATOR BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/BLU WIRE BUS ENABLE CAN BUS (+) 2 CAN BUS (-) 3 CAN-BUS ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) EXTERIOR AMBIENT AIR QUALITY SENSOR GEAR SHIFT CONTROL MODULE GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/WHT WIRE INSIDE AIR MOISTURE, WINDSHIELD TEMPERATURE SENSOR LEFT TEMPERATURE VALVE ACTUATOR LIN BUS 1 LIN BUS 2 LIN BUS 4 LIN BUS 5 LIN BUS 6 LIN BUS 8 LOW LEVEL MID/HIGH LEVEL MODE VALVE ACTUATOR MULTI-FUNCTION POWER SUPPLY CONVERTER RADIO RIGHT TEMPERATURE VALVE ACTUATOR ROOF CONSOLE SUNROOF CONTROL MODULE VIO WIRE VIO/GRN WIRE WHT WIRE YEL WIRE

AUDIO AMPLIFIER BATTERY MONITOR MODULE BLU WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (BELOW CENTER OF INSTRUMENT PANEL, ON FLOOR) BRN/BLK WIRE BRN/BLU WIRE CAN BUS (-) 5 DRIVER FRONT SIDE DOOR WINDOW CONTROL SWITCH DRIVER FRONT SIDE DOOR WINDOW REGULATOR MOTOR ENGINE COOLING FAN MOTOR ETHERNET BUS 6 (-) FRONT SEAT HEATER VENT CONTROL MODULE GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/WHT WIRE HEATED STEERING WHEEL MODULE INSIDE AMBIENT AIR QUALITY PARTICULATE SENSOR MODULE LEFT REAR SIDE DOOR WINDOW SWITCH LIN BUS 1 LIN BUS 10 LIN BUS 11 LIN BUS 12 LIN BUS 16 LIN BUS 3 LIN BUS 4 LIN BUS 5 LIN BUS 6 LIN BUS 8 LIN BUS 9 NCA WIRE PASSENGER FRONT SIDE DOOR WINDOW CONTROL SWITCH PASSENGER FRONT SIDE DOOR WINDOW REGULATOR MOTOR REAR CLOSURE HAND- FREE MODULE REAR SEAT HEATER CONTROL MODULE REMOTE FUNCTION ACTUATOR MODULE RIGHT REAR SIDE DOOR WINDOW SWITCH STEERING WHEEL AIR BAG COIL VIO WIRE VIO/GRN WIRE W/ IOS W/ IOU WHT WIRE YEL WIRE

ACTIVE GRILLE AIR SHUTTER ACTUATOR BLU WIRE BLU/GRY WIRE BLU/WHT WIRE BRN/BLU WIRE BUS ENABLE CAN BUS (+) 6 SERIAL DATA CAN BUS (-) 2 SERIAL DATA DRIVER FRONT SEAT ADJUSTER SWITCH DRIVER FRONT SEAT BLADDER CONTROL MODULE ENGINE COOLANT FLOW CONTROL VALVE BLOCK ENGINE COOLANT FLOW CONTROL VALVE ENGINE COOLANT PUMP ETHERNET BUS 2 (-) ETHERNET BUS 4 (-) ETHERNET BUS 7 (-) EVAPORATIVE EMISSION CANISTER PURGE PUMP FUEL PUMP POWER CONTROL MODULE GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/WHT WIRE HEAD-UP DISPLAY LIN BUS 1 LIN BUS 2 LIN BUS 4 LOW LEVEL MASS AIRFLOW SENSOR MID/HIGH LEVEL SERIAL DATA CAN BUS (-) STEERING WHEEL AIR BAG COIL STEERING WHEEL RADIO CONTROL SWITCH VIO WIRE VIO/GRN WIRE WHT WIRE YEL WIRE