Buick Envista I (2022-2024) (under left end of dash) Wiring diagrams

BATT POS BATT POS VOLT BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLOWER MTR SPD CTRL BLU/GRY WIRE BLU/WHT WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DRIVER SOLAR SENS SIG GRN WIRE GRN/BLU WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY 1 ENERGIZED HOT W/ IGNITION RUN RELAY ENERGIZED HVAC CONTROL MODULE (CENTER OF DASH) HVAC CTRL MODULE LIN BUS 1 HVAC CTRL MODULE LIN BUS 2 INSIDE AIR TEMP SENS SIG INSTRUMENT PANEL FUSE BLOCK LIN BUS 1 LIN BUS 2 LOGIC LOW SPEED GMLAN SERIAL DATA RAIN/ AMBIENT LIGHT SENSOR MODULE REAR DEFOG RLY CTRL REAR DEFOGGER IND REAR DEFOGGER SWITCH RED WIRE RED/BRN WIRE RED/GRN WIRE RUN/CRANK IGNITION 1 VOLT 5 SIG GND SOLAR SENS LOW REF VIO/BRN WIRE VOLT W/ MOISTURE SENSITIVE WINDSHIELD WIPER SYSTEM W/O MOISTURE SENSITIVE WINDSHIELD WIPER SYSTEM WINDSHIELD TEMPERATURE, INSIDE MOISTURE SENSOR

A/C IND ACCESSORY WAKEUP AMBIENT LIGHT SENS SIG AMBIENT LIGHT/SUNLOAD SENSOR (TOP CENTER OF DASH) BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLU/GRY WIRE BLU/WHT WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) COMMUNICATION ENABLE COMPUTER DATA LINES SYSTEM COOLING FAN MOTOR (BEHIND RADIATOR) DISPLAY SIG + DRIVER INFORMATION CENTER DISPLAY ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE IND ETHERNET BUS 4 (-) GRN WIRE GRN/YEL WIRE GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES INFOTAINMENT INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LOGIC LVDS RADIO RED/BLU WIRE RED/BRN WIRE RED/WHT WIRE SECURITY IND CTRL SERIAL DATA SIG GND UNDERHOOD FUSE BLOCK VIO/YEL WIRE WHT/BLU WIRE YEL WIRE

BATT POS VOLT BATTERY BATTERY FUSE BLOCK BATTERY SENSOR MODULE BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRN WIRE CHARGE IND CHARGE IND CTRL COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENG CTRL MODULE LIN BUS 1 ENGINE CONTROL MODULE GENERATOR GENERATOR FIELD DUTY CYCLE SIG GRN WIRE GRN/VIO WIRE GRY WIRE HIGH SPEED GMLAN SERIAL DATA (-) (1) HOT W/ BATTERY SAVER RELAY 1 ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED INFOTAINMENT DISPLAY SIG INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LOGIC LOW SPEED GMLAN SERIAL DATA (+) 1 LVDS BK RED/BRN WIRE RED/WHT WIRE RED/YEL WIRE RUN/CRANK IGN 1 VOLT SIG GND STARTER MOTOR UNDERHOOD FUSE BLOCK VIO WIRE VIO/GRY WIRE WHT WIRE

BATT POS VOLT BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/YEL WIRE DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) GRN WIRE GRN/WHT WIRE GRY/GRN WIRE HI SPD GMLAN SERIAL DATA (+) 8 HI SPD GMLAN SERIAL DATA (+) 9 HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) (2) HI SPD GMLAN SERIAL DATA (-) 11 HI SPD GMLAN SERIAL DATA (-) 12 HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL FUSE BLOCK LO SPD GMLAN SERIAL DATA LO SPD GMLAN SERIAL DATA (PINS: 21 TO 25 NOT USED) LO SPD GMLAN SERIAL DATA 2 LO SPD GMLAN SERIAL DATA 3 RED/BRN WIRE RED/VIO WIRE RUN/CRANK IGN 1 VOLT SERIAL DATA COMM ENABLE (PINS: 26 TO 30 NOT USED) SERIAL DATA GATEWAY MODULE (UNDER FRONT FLOOR CONSOLE) SIG GND HI SPD GMLAN SERIAL DATA (+) 9 UNDERHOOD FUSE BLOCK VIO/GRY WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE

BATTERY SAVER RELAY 1 BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE CENTER CONSOLE MULTI-FUNCTION SWITCH CENTER CONSOLE REAR USB RECEPTACLE COLLISION ALERT INDICATORS DATA LINK CONNECTOR HAZARD WARNING SWITCH HEADLAMP SWITCH HVAC CONTROLS IGNITION MODE SWITCH IGNITION RUN RELAY INSTRUMENT PANEL FUSE BLOCK LEFT STEERING WHEEL CONTROLS SWITCH LIFTGATE CONTROL MODULE NCA WIRE PARK BRAKE CONTROL SWITCH RADIO PRESETS STEERING WHEEL CONTROLS SWITCH RADIO VOLUME STEERING WHEEL CONTROLS SWITCH RETAINED ACCESSORY POWER RELAY RIGHT REAR TURN SIGNAL LAMP RIGHT STEERING WHEEL CONTROLS SWITCH SERIAL DATA GATEWAY MODULE STEERING WHEEL AIR BAG COIL STEERING WHEEL HEATER STEERING WHEEL HEATING CONTROL MODULE SUNROOF MOTOR TRANSMISSION SHIFT LEVER POSITION INDICATOR TURN SIGNAL/ MULTI-FUNCTION SWITCH W/ MANUAL STEERING WHEEL HEAT WHT WIRE

ALERT LED CTRL BK INFOTAINMENT DISPLAY SIG BLK/WHT WIRE BLU/GRY WIRE CENTER CONSOLE MULTI-FUNCTION SWITCH COLLISION ALERT INDICATORS COMPUTER DATA LINES SYSTEM DAY NIGHT LED CTRL DRIVER INFORMATION CENTER DISPLAY ETHERNET BUS 4 (-) GRN WIRE GRY WIRE GRY/BLK WIRE GRY/WHT WIRE GRY/YEL WIRE HOT W/ BATTERY SAVER RELAY 1 ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LANE DEPARTURE WARNING IND LANE DEPARTURE WARNING SWITCH LOGIC LVDS RADIO RADIO CONTROLS RED/GRN WIRE UNDERHOOD FUSE BLOCK USB RECEPTACLE VIO/GRY WIRE WHT WIRE WHT/BLU WIRE WHT/GRY WIRE WINDSHIELD FRONT VIEW CAMERA YEL WIRE

BATT POS VOLT BK HEAD-UP DISPLAY SIG BLK WIRE BLU/WHT WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) COMPUTER DATA LINES SYSTEM DISPLAY ENDGATE LATCH RELAY COIL CTRL GRN WIRE GRN/YEL WIRE GROUND GRY/GRN WIRE GRY/YEL WIRE HOT AT ALL TIMES INFOTAINMENT DISPLAY SIG INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LIFTGATE AJAR SWITCH SIGNAL 1 LIFTGATE LATCH LIFTGATE UNLATCH RELAY LIFTGATE WINDOW/RR COMPARTMENT LID MTR UNLATCH CTRL LOGIC LOW SPEED GMLAN SERIAL DATA LVDS LVDS BK MULTI-FUNCTION CARRIER LICENSE PLATE LAMP POWER SUPPLY TRANSFORMER RADIO RADIO LIN BUS 1 RED/GRN WIRE RED/VIO WIRE RR CLOSURE HANDLE SWITCH OPEN SIGNAL RR LICENSE PLATE LAMP CTRL UNDERHOOD FUSE BLOCK VIO/GRY WIRE YEL WIRE YEL/BLU WIRE

2-BK ACTV NOISE CANCELLATION AM/FM BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BLUETOOTH BLUETOOTH WIRELESS COMMUNICATION ANTENNA BRN WIRE BRN/WHT WIRE CELL CELL/GPS CHECK ENGINE COAX COAXIAL ANTENNA COAXIAL SIG COMPUTER DATA LINES SYSTEM CRANKSHAFT POSITION DRIVER INFORMATION CENTER DISPLAY ETHERNET BUS 4 (-) GRN/BLK WIRE GRN/BRN WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/WHT WIRE GRY/YEL WIRE HI SPEED GMLAN HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY 1 ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED IND CTRL INFOTAINMENT DISPLAY SIG INSTRUMENT PANEL FUSE BLOCK LOGIC LVDS MICROPHONE 1 FEEDBACK SIG MICROPHONE 1 SIG MICROPHONE 2 FEEDBACK SIG MICROPHONE 2 SIG MICROPHONE 3 FEEDBACK SIG MICROPHONE 3 SIG RADIO REAR VIEW CAMERA REAR VIEW CAMERA LVDS RED/BLU WIRE RED/WHT WIRE RF SIG SENS REPLICATED SIG SERIAL DATA (-) (1) TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE UNDERHOOD FUSE BLOCK USB RECEPTACLE VIO/BLU WIRE VIO/GRN WIRE WHT WIRE WIFI WLAN SIG XM SIG YEL WIRE

3/4 BATT POS VOLT BATT POSITIVE VOLT BK HEAD-UP DISPLAY SIG BLK WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DISPLAY GRN WIRE GRN/BLK WIRE GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/WHT WIRE HOT AT ALL TIMES ILL INFOTAINMENT DISPLAY SIG INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK INTERIOR LIFTGATE CONTROL SWITCH LIFTGATE CLOSE SWITCH LIFTGATE CONTROL MODULE (LEFT SIDE OF LUGGAGE COMPT) LIFTGATE LATCH ASSEMBLY LIFTGATE MOTOR ASSEMBLY LIFTGATE RELEASE, LIFTGATE OPEN SWITCH LIFTGATE WINDOW/REAR COMPARTMENT LID MTR UNLATCH CTRL LOGIC LOW REF LOW SPEED GMLAN SERIAL DATA LVDS MAX MTR CINCH CTRL MTR REL CTRL MULTI-FUNCTION CARRIER LICENSE PLATE LAMP NCA WIRE OFF POWER SUPPLY TRANSFORMER RADIO RADIO LIN BUS 1 RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RR CLOSURE ACTUATION ON/OFF SW SIG RR CLOSURE HNDL SW OPEN SIG RR CLOSURE LATCH PAWL STATUS SIG RR CLOSURE LATCH RATCHET STATUS RR CLOSURE LATCH UNLATCH STATUS RR CLOSURE MTR RELEASE CTRL RR CLOSURE OBJECT SENS LO REF RR CLOSURE OPEN SW SIG RR CLOSURE OPEN/CLOSE MTR CLOSE CTRL RR CLOSURE OPEN/CLOSE MTR OPEN CTRL RR CLOSURE OPEN/CLOSE SW SIG RR CLOSURE POSI SENS LO REF RR CLOSURE POSI SENS SIG 1 RR CLOSURE POSI SENS SIG 2 RR CLOSURE POSI SENS VOLT REF RR CLOSURE SW LED CTRL RR CLOSURE SW SIG SENS SIG 1 SENS SIG 2 SENS VOLT REF SIG GND WHT WIRE YEL WIRE YEL/BLU WIRE

BATTERY BATTERY FUSE BLOCK BATTERY SENSOR MODULE BLK WIRE BLU/BLK WIRE CHARGING CIRCUIT COMPUTER DATA LINES SYSTEM FUEL PUMP DRIVER CONTROL MODULE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER (UNDER LEFT SIDE OF DASH) RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE STARTER MOTOR STARTER RELAY UNDERHOOD FUSE BLOCK VIO/GRN WIRE WHT WIRE YEL WIRE YEL/BLK WIRE