Buick Envision II (2020-2024) nca Wiring diagrams

AUTOSAR CAN BUS (+) 1 SERIAL DATA AUTOSAR CAN BUS (+) 1 SERIAL DATA BRAKE SYSTEM CONTROL MODULE LIN BUS 1 AUTOSAR CAN BUS (+) 2 SERIAL DATA AUTOSAR CAN BUS (+) 2 SERIAL DATA LEFT PARK BRAKE MOTOR LOW REFERENCE AUTOSAR CAN BUS (-) 1 SERIAL DATA RIGHT REAR WHEEL SPEED SENSOR CONTROL AUTOSAR CAN BUS (-) 2 SERIAL DATA RIGHT FRONT WHEEL SPEED SENSOR SIGNAL BATTERY DISTRIBUTION ENGINE COMPARTMENT FUSE BLOCK BATTERY POSITIVE VOLTAGE BLK WIRE BLK/WHT WIRE BLU WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SENSOR BRAKE FLUID LEVEL SIGNAL BRAKE MASTER CYLINDER) BRAKE SYSTEM CONTROL MODULE COMPUTER DATA LINES SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK GRN/GRY WIRE GRN/VIO WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT FRONT STRUT TOWER) LEFT FRONT WHEEL SPEED SENSOR LEFT FRONT WHEEL SPEED SENSOR CONTROL LEFT FRONT WHEEL SPEED SENSOR SIGNAL LEFT PARK BRAKE MOTOR APPLY CONTROL LEFT REAR PARKING BRAKE ACTUATOR LEFT REAR WHEEL SPEED SENSOR LEFT REAR WHEEL SPEED SENSOR CONTROL LEFT REAR WHEEL SPEED SENSOR SIGNAL NCA WIRE RED/WHT WIRE RIGHT FRONT WHEEL SPEED SENSOR RIGHT FRONT WHEEL SPEED SENSOR CONTROL RIGHT PARK BRAKE MOTOR APPLY CONTROL RIGHT PARK BRAKE MOTOR LOW REFERENCE RIGHT REAR PARKING BRAKE ACTUATOR RIGHT REAR WHEEL SPEED SENSOR RIGHT REAR WHEEL SPEED SENSOR SIGNAL RUN/CRANK IGNITION 1 VOLTAGE VIO WIRE VIO/GRY WIRE WHT WIRE YEL WIRE

AUTOSAR SERIAL DATA CAN BUS (-) 4 SERIAL DATA BATTERY POSITIVE VOLTAGE BLK WIRE BLK/WHT WIRE BLU/VIO WIRE COMPUTER DATA LINES SYSTEM DRIVER FRONT SIDE DOOR WINDOW CONTROL SWITCH DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR- VIEW MIRROR DRIVER SIDE OBJECT DETECTION INDICATOR GRN/YEL WIRE GRY WIRE GRY/YEL WIRE HOT AT ALL TIMES INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT SIDE OBSTACLE DETECTION CONTROL MODULE NCA WIRE PASSENGER FRONT SIDE DOOR WINDOW SWITCH PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR GLASS PASSENGER SIDE OBJECT DETECTION INDICATOR PRIVATE SERIAL DATA SIDE OBSTACLE DETECTION CAN BUS (-) SERIAL DATA RED/BRN WIRE RIGHT SIDE OBJECT SENSOR MODULE (RIGHT SIDE OF REAR FASCIA) WHT WIRE

BATTERY BATTERY DISTRIBUTION ENGINE COMPARTMENT FUSE BLOCK BATTERY MONITOR MODULE BLK WIRE BRAKE MASTER CYLINDER) BRAKE SYSTEM CONTROL MODULE BRAKE SYSTEM CONTROL MODULE BRAKE MASTER CYLINDER COMPUTER DATA LINES SYSTEM COOLING FAN MOTOR ENGINE CONTROL MODULE ENGINE COOLANT PUMP GENERATOR GRN/YEL WIRE HEADLAMP CONTROL MODULE LOGIC N/A NCA WIRE POWER STEERING CONTROL MODULE REAR DRIVE CONTROL MODULE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE STARTER SUSPENSION CONTROL MODULE TO INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK (DIAGRAM 5 OF 8) TO INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK (DIAGRAM 7 OF 8)

AUDIO AMPLIFIER BLK WIRE BRAKE MASTER CYLINDER) BRAKE SYSTEM CONTROL MODULE CRUISE CONTROL SWITCH DRIVER FRONT SEAT BACK VENTILATION BLOWER DRIVER FRONT SEAT CUSHION VENTILATION BLOWER EXTERIOR AMBIENT AIR QUALITY SENSOR FROM BATTERY DISTRIBUTION ENGINE COMPARTMENT FUSE BLOCK (DIAGRAM 1 OF 8) FRONT HEATER, AIR CONDITIONING USER INTERFACE CONTROL GRN WIRE GRY WIRE HEAD-UP DISPLAY HEATED STEERING WHEEL MODULE IGNITION MAIN RELAY INSIDE AIR MOISTURE, WINDSHIELD TEMPERATURE SENSOR INSIDE AMBIENT AIR QUALITY PARTICULATE SENSOR MODULE INSIDE REAR VIEW MIRROR INSTRUMENT PANEL CLUSTER CONTROL MODULE LIGHTING CONTROL MODULE MID/HIGH LEVEL MULTIMEDIA RECEPTACLE N/A NCA WIRE PASSENGER FRONT SEAT BACK VENTILATION BLOWER PASSENGER FRONT SEAT CUSHION VENTILATION BLOWER RADIO RADIO CONTROL RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE STEERING RADIO WHEEL CONTROL SWITCH STEERING WHEEL AIR BAG COIL VIO WIRE VIO/BLK WIRE VIO/GRN WIRE VIO/GRY WIRE W/ VENTILATED SEAT

ACCESSORY AC, DC POWER CONTROL MODULE BATTERY BLK WIRE BLK/GRY WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BODY CONTROL MODULE BRN/BLK WIRE DC/AC ENGINE START/STOP FROM IGNITION MAIN RELAY (DIAGRAM 7 OF 8) FROM INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK (DIAGRAM 7 OF 8) GRN/BLK WIRE GRN/VIO WIRE GROUND INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK INVERTER CONTROL LOGIC LOW REFERENCE NCA WIRE ON/OFF VEHICLE SWITCH POSITIVE VOLTAGE RED WIRE RED/GRN WIRE SERIAL DATA GATEWAY MODULE VIO WIRE YEL WIRE

1-BK 1-BN COAX 1-VT 2-BK 2-VT 2-WH AM/ AM/ FM FM AM/FM AM/FM RADIO ANTENNA AMPLIFIER AUXILIARY WIRELESS COMMUNICATION INTERFACE ANTENNA BK COAX BK LVDS BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE CELL CELL/GPS COAX COAX BG COAX CU COAX OG COMPUTER DATA LINES SYSTEM DISPLAY ENGINE WIRING HARNESS JUNCTION BLOCK GRN/BLK WIRE GRN/WHT WIRE HIGH FREQUENCY ANTENNA HOT AT ALL TIMES INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC LVDS MULTI-FUNCTION POWER SUPPLY CONVERTER NCA WIRE RADIO RADIO ANTENNA RADIO CONTROL RADIO CONTROLS RD COAX REAR VIEW DRIVER INFORMATION CAMERA RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE USB WIFI

1-WH COAX AUDIO (-) CTRL AUDIO SIG + AUTOSAR CAN BUS AUTOSAR CAN BUS (+) 5 SERIAL DATA BATTERY POS VOLT BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BN COAX BRN/BLU WIRE CELL COAX COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY GPS/ CELL GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/YEL WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT FRONT ACTIVE NOISE CANCELLATION MICROPHONE LEFT FRONT MOBILE TELEPHONE MICROPHONE LEFT REAR ACTIVE NOISE CANCELLATION MICROPHONE LIN BUS 1 LOGIC LOW REF MICROPHONE SIG NCA WIRE RADIO RED/GRN WIRE RIGHT FRONT ACTIVE NOISE CANCELLATION MICROPHONE RIGHT REAR ACTIVE NOISE CANCELLATION MICROPHONE SIGNAL GROUND VIO/BLU WIRE VT COAX WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE

AUDIO AMPLIFIER AUDIO AMPLIFIER CTRL BATT POSITIVE VOLT BLK/BRN WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/VIO WIRE CAN-BUS COAX COMPUTER DATA LINES SYSTEM ENABLE SIG ENTERTAINMENT REMOTE F CEN SPEAKER (+) CTRL GRN WIRE GRN/BLK WIRE GRN/YEL WIRE LEFT RADIO FRONT SIDE DOOR SPEAKER LEFT RADIO REAR SIDE DOOR SPEAKER LF SPEAKER (-) CTRL 1 LF SPEAKER 1 (+) CTRL LF TWTR SPEAKER (+) CTRL LR SPEAKER (+) CTRL NCA WIRE RED/BLU WIRE RED/GRN WIRE RF SPEAKER (-) CTRL 1 RF SPEAKER 1 (+) CTRL RF TWTR SPEAKER (-) CTRL RIGHT FRONT MOBILE TELEPHONE MICROPHONE RIGHT RADIO FRONT SIDE DOOR SPEAKER RIGHT RADIO REAR SIDE DOOR SPEAKER RR SPEAKER (+) CTRL SIG GND VIO/BLU WIRE VIO/BRN WIRE VIO/YEL WIRE WHT WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/WHT WIRE

BLK/BRN WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE COAX COMPUTER DATA LINES SYSTEM GRN/BLK WIRE GRN/BRN WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE INSTRUMENT PANEL LEFT RADIO FRONT SPEAKER INSTRUMENT PANEL RIGHT RADIO FRONT SPEAKER LEFT LEFT FRONT ACTIVE NOISE CANCELLATION MICROPHONE LEFT FRONT MOBILE TELEPHONE MICROPHONE LEFT REAR ACTIVE NOISE CANCELLATION MICROPHONE LOGIC MUTE NCA WIRE RADIO FRONT CENTER SPEAKER RED/GRN WIRE RIGHT FRONT ACTIVE NOISE CANCELLATION MICROPHONE RIGHT REAR ACTIVE NOISE CANCELLATION MICROPHONE SEL STEERING WHEEL RADIO CONTROL SWITCH TRANSMISSIONS SYSTEM VIO/BLU WIRE VIO/BRN WIRE VOICE VOL (-) VOL DOWN VOL UP RIGHT WHT/GRN WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/WHT WIRE

AUDIO AMPLIFIER BATT POSITIVE VOLT BLK/BRN WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE COAX F CEN SPEAKER (+) CTRL GRN WIRE GRN/BLK WIRE GRY WIRE LEFT RADIO BODY REAR CORNER UPPER GARNISH MOLDING SPEAKER LEFT RADIO FRONT SIDE DOOR SPEAKER LEFT RADIO REAR SIDE DOOR SPEAKER LF SPEAKER (-) CTRL 1 LF SPEAKER 1 (+) CTRL LF TWTR SPEAKER (+) CTRL LR SPEAKER (+) CTRL NCA WIRE R/LR SURR SPEAKER (+) CTRL RED/BLU WIRE RED/GRN WIRE RF SPEAKER (-) CTRL 1 RF SPEAKER 1 (+) CTRL RF TWTR SPEAKER (-) CTRL RIGHT FRONT MOBILE TELEPHONE MICROPHONE RIGHT RADIO BODY REAR CORNER UPPER GARNISH MOLDING SPEAKER RIGHT RADIO FRONT SIDE DOOR SPEAKER RIGHT RADIO REAR SIDE DOOR SPEAKER RR SPEAKER (+) CTRL SIG GND VIO/BLU WIRE VIO/BRN WIRE VIO/YEL WIRE WHT WIRE WHT/BRN WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/WHT WIRE