Buick Envision II (2020-2024) nca Wiring diagrams

1 VOLT AUTOSAR CAN BUS BLK WIRE BLK/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM COOLING FAN MOTOR ENGINE COOLANT PUMP ENGINE COOLANT TEMPERATURE GAUGE ENGINE WIRING HARNESS JUNCTION BLOCK GRN/BRN WIRE GRN/VIO WIRE GROUND HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC NCA WIRE RADIATOR COOLANT TEMPERATURE SENSOR RED/GRY WIRE RED/YEL WIRE RIGHT SIDE OF RADIATOR) RUN/CRANK IGN VIO/BLK WIRE VIO/WHT WIRE YEL/BLK WIRE

AJAR SW SIG AUTOSAR CAN BUS (+) 2 SERIAL DATA BLK WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/BLU WIRE CAN-BUS COMPUTER DATA LINES SYSTEM GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/WHT WIRE LED CTRL LEFT FRONT FLOOR COURTESY LAMP LEFT REAR CARGO CENTER COURTESY LAMP LEFT ROOF RAIL REAR SEAT POSITION READING, COURTESY LAMP LEFT SUNSHADE LEFT SUNSHADE MIRROR LAMP LIFTGATE LATCH LIGHTING CONTROL MODULE (RIGHT SIDE OF DASH) LOGIC NCA WIRE NETWORK BUS 4 REAR GATE MODULE RIGHT FRONT FLOOR COURTESY LAMP RIGHT REAR CARGO CENTER COURTESY LAMP RIGHT REAR SIDE DOOR LATCH RIGHT REAR SIDE DOOR WINDOW SWITCH RIGHT ROOF RAIL REAR SEAT POSITION READING, COURTESY LAMP RIGHT SUNSHADE RIGHT SUNSHADE MIRROR LAMP VIO/GRY WIRE W/ SUNROOF WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/YEL WIRE

BLK WIRE COMPUTER DATA DRIVER FRONT SIDE DOOR WINDOW CONTROL SWITCH DRIVER TRIM PANEL FRONT SIDE DOOR LIGHT CONDUCTOR LAMP FRONT FLOOR CONSOLE BIN LAMP GRN/YEL WIRE GRY/VIO WIRE INSTRUMENT PANEL LIGHT CONDUCTOR INNER LAMP LEFT FRONT SIDE DOOR INSIDE HANDLE ILLUMINATION LAMP LEFT FRONT SIDE DOOR MAP POCKET ILLUMINATION LAMP LEFT INSTRUMENT PANEL LIGHT CONDUCTOR LAMP LEFT REAR SIDE DOOR INSIDE HANDLE ILLUMINATION LAMP LINES SYSTEM NCA WIRE PASSENGER FRONT SIDE DOOR WINDOW SWITCH PASSENGER TRIM PANEL FRONT SIDE DOOR LIGHT CONDUCTOR LAMP RIGHT FRONT SIDE DOOR INSIDE HANDLE ILLUMINATION LAMP RIGHT FRONT SIDE DOOR MAP POCKET ILLUMINATION LAMP RIGHT REAR SIDE DOOR INSIDE HANDLE ILLUMINATION LAMP WHT/BLK WIRE WHT/BRN WIRE WHT/YEL WIRE

BATT POSI SPLY BATTERY DISTRIBUTION ENGINE COMPARTMENT FUSE BLOCK BLK WIRE BODY CONTROL MODULE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DRIVER FRONT SIDE DOOR WINDOW SWITCH DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR- VIEW MIRROR ENGINE WIRING HARNESS JUNCTION BLOCK FRONT HEATER, AIR CONDITIONING USER INTERFACE CONTROL GRN/YEL WIRE HOT AT ALL TIMES INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC NCA WIRE NETWORK SERIAL DATA BUS 9 NETWORK SERIAL DATA LIN BUS 9 PASSENGER FRONT SIDE DOOR WINDOW SWITCH PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR GLASS REAR DEFOGGER IND REAR DEFOGGER RLY CTRL REAR DEFOGGER SWITCH REAR WINDOW DEFOGGER GRID REAR WINDOW DEFOGGER RELAY RED/GRN WIRE RED/GRY WIRE WHT WIRE

BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/YEL WIRE BRN WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM DRIVER FRONT SEAT ADJUSTER ACTUATOR DRIVER FRONT SEAT ADJUSTER MEMORY SWITCH DRIVER FRONT SEAT RECLINER ACTUATOR DRIVER FRONT SEAT TILT ADJUSTER ACTUATOR DRIVER FRONT SEAT VERTICAL ADJUSTER ACTUATOR DRIVER SEAT ADJUSTER MEMORY MODULE ENGINE WIRING HARNESS JUNCTION BLOCK EXIT GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/GRN WIRE HOT AT ALL TIMES LEFT FRONT SEAT LANE DEPARTURE WARNING ACTUATOR NCA WIRE RED WIRE RED/GRN WIRE RED/WHT WIRE RIGHT FRONT SEAT LANE DEPARTURE WARNING ACTUATOR SET- WHT WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE

BLK WIRE BLK/VIO WIRE BLU/YEL WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DOWN DRIVER FRONT SEAT ADJUSTER SWITCH DRIVER FRONT SEAT BACK LUMBAR PUMP DRIVER FRONT SEAT BLADDER CONTROL MODULE DRIVER FRONT SEAT LUMBAR SWITCH ENGINE WIRING HARNESS JUNCTION BLOCK GRN/GRY WIRE HOT AT ALL TIMES LOGIC NCA WIRE RECLINE FWD RECLINE RWD RED/GRN WIRE RED/WHT WIRE RWD WHT/BLU WIRE

BLK WIRE BLK/WHT WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/GRY WIRE COMPUTER DATA CRUISE CONTROL SWITCH DRIVER DOOR LOCK SWITCH DRIVER FRONT SEAT ADJUSTER MEMORY SWITCH DRIVER FRONT SIDE DOOR WINDOW CONTROL SWITCH GARAGE DOOR OPENER TRANSMITTER GRN/BLK WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/VIO WIRE INSTRUMENT PANEL CLUSTER CONTROL MODULE LIFTGATE RELEASE SWITCH LINES SYSTEM LOGIC NCA WIRE PARKING BRAKE CONTROL SWITCH PASSENGER DOOR LOCK SWITCH PASSENGER FRONT SIDE DOOR WINDOW SWITCH ROOF CONSOLE STEERING WHEEL RADIO CONTROL SWITCH W/ MEMORY W/ UNIVERSAL GARAGE DOOR OPENER W/O MEMORY W/O UNIVERSAL GARAGE DOOR OPENER YEL WIRE YEL/BLK WIRE

BLK WIRE BLK/BRN WIRE BLK/YEL WIRE BRN/BLK WIRE COAX COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DRIVER FRONT SIDE DOOR WINDOW CONTROL SWITCH DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR VIEW MIRROR MOTOR DRIVER OUTSIDE REAR- VIEW MIRROR DRIVER SIDE OBJECT DETECTION INDICATOR ENGINE WIRING HARNESS JUNCTION BLOCK GRN/YEL WIRE GRY/BRN WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT SIDE VIEW DRIVER INFORMATION CAMERA LOGIC MIRROR DIMMING MIRRORS SYSTEM NAVIGATION SYSTEM NCA WIRE RED/GRN WIRE RED/WHT WIRE VIO/BLU WIRE VIO/RED WIRE WHT WIRE WHT/YEL WIRE YEL/BRN WIRE YEL/WHT WIRE

BATT POS VOLT BLK WIRE BLK/GRN WIRE BLK/VIO WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN BUS (+) 4 CLOSURE SW SIG COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE WIRING HARNESS JUNCTION BLOCK GRN WIRE GRN/BLK WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/VIO WIRE GRY/WHT WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE LATCH MTR CINCH CTRL LATCH MTR RELEASE CTRL LATCH NEUTRAL STATUS LATCH PRIMARY STATUS LATCH UNLATCH STATUS LEFT LIFTGATE SIDE SENSOR LIFTGATE CLOSE SWITCH LIFTGATE LATCH LIN BUS 1 LOGIC LOW REF MTR CLOSE CTRL MTR OPEN CTRL NCA WIRE OBJECT SENS LOW REF OBJECT SENS SIGNAL ON/OFF SW SIG POSITION SENS SIG 1 POSITION SENS SIG 2 POSITION SENS VOLT REF REAR GATE MODULE (LEFT SIDE OF LUGGAGE COMPT) RED/YEL WIRE RIGHT LIFTGATE SIDE SENSOR SW LED CTRL WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL/BLK WIRE

3/4 OFF BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN BUS (+) 2 COMPUTER DATA LINES SYSTEM GRN WIRE GRN/BLU WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/VIO WIRE HOT AT ALL TIMES ILL INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LIFTGATE POWER ASSIST ACTUATOR (UPPER LEFT SIDE OF LUGGAGE COMPT) LIFTGATE RELEASE SWITCH LIFTGATE RELEASE, LIFTGATE OPEN LIFTGATE SENS LAMP CTRL MAX NCA WIRE OPEN/CLOSE SW SIG REAR CLOSURE HANDLE SW OPEN SIG REAR CLOSURE HANDS FREE LAMP REAR CLOSURE HANDS FREE MODULE REAR LICENSE PLATE LAMP MODULE RED/WHT WIRE WHT WIRE WHT/GRY WIRE YEL WIRE YEL/BLU WIRE