Buick Envista I (2022-2024) computer data lines system Wiring diagrams

AUTOMATIC TRANSMISSION ASSEMBLY BACKUP LP CTRL BATT POS VOLT BLK WIRE BLU WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) GRN/WHT WIRE GRY WIRE HI SPD GMLAN SER DATA (+) 1 HOT AT ALL TIMES INSIDE REAR VIEW MIRROR INSTRUMENT PANEL FUSE BLOCK LEFT BACKUP LAMP LEFT TAIL LAMP ASSEMBLY NCA WIRE RADIO RED/WHT WIRE RIGHT BACKUP LAMP RIGHT TAIL LAMP ASSEMBLY TRANS PARK/ NEUTRAL SIG 1 TRANSMISSION CONTROL MODULE TRANSMISSION INTERNAL MODE SWITCH WHT WIRE WHT/GRY WIRE YEL WIRE

AUTO OFF BATT POS VOLT BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRAKE APPLY SENS CTRL BRAKE APPLY SENS LO REF BRAKE APPLY SENS SIG BRAKE PEDAL POSITION SENSOR BRK POSI SENS SIG BRN/BLU WIRE BRN/GRY WIRE BUS 4 COMPUTER DATA LINES SYSTEM DISPLAY SIGNAL (-) DRIVER OUTSIDE REAR- VIEW MIRROR ENGINE CTRL ENGINE CTRL VEHICLE ETHERNET FRT TURN SIG LAMP FEEDBACK SIG GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BRN WIRE GRY/WHT WIRE GRY/YEL WIRE HAZARD SWITCH HAZARD SWITCH LH TURN SIG HAZARD SWITCH RH TURN SIG HAZARD WARNING SW SIG HAZARD WARNING SWITCH HEAD PARK HEADLAMP SW PARK LAMP SIG HEADLAMP SWITCH HI SPD GMLAN HI SPD GMLAN SERIAL DATA (-) (1) INFOTAINMENT INSTRUMENT CLUSTER LEFT LEFT REAR PARK LAMP CTRL LEFT TURN IND LEFT TURN SIGNAL REPEATER LAMP LF TURN SIG LAMP CTRL LH PRK LAMP CTRL LOGIC LR TURN SIG LAMP CTRL 2 LVDS PARK LIGHTS IND RADIO REAR CLOSURE HANDLE SW OPEN SIG REAR LICENSE PLATE LAMP CTRL RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RF TURN SIG LAMP CTRL RF TURN SIG LAMP FEEDBACK SIG RH PRK LAMP CTRL RIGHT RIGHT REAR PARK LAMP CTRL RIGHT TURN IND RR TURN SIG LAMP CTRL 2 SENS 5 VOLT REF 1 SENS LOW REF (2) SER DATA (-) 7 SIG GND STOP LAMP RLY COIL CTRL TURN SIGNAL/ MULTI-FUNCTION SWITCH VIO/BLK WIRE VIO/BLU WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL/BLU WIRE

BACKUP LAMPS CIRCUIT BLK WIRE BRN/BLU WIRE BRN/GRY WIRE CENTER HIGH MOUNTED STOP LAMP COMPUTER DATA LINES SYSTEM GRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND DISTRIBUTION SYSTEM GRY/BRN WIRE HANDLE SWITCH LEFT BACKUP LAMP LEFT FRONT SIDE MARKER LAMP LEFT LIFTGATE TAIL LAMP ASSEMBLY LEFT TAIL/STOP LAMP LEFT OUTER TAIL LAMP LEFT PARK/DAYTIME RUNNING LAMP LEFT REAR SIDE MARKER LAMP LEFT TAIL LAMP ASSEMBLY LIFTGATE CONTROL MODULE LOGIC LOW SPEED GMLAN MULTI-FUNCTION CARRIER LICENSE PLATE LAMP NCA WIRE OPEN SIGNAL PASSENGER OUTSIDE REAR VIEW MIRROR REAR CLOSURE RIGHT FRONT SIDE MARKER LAMP RIGHT FRONT TURN SIGNAL LAMP RIGHT HEADLAMP ASSEMBLY RIGHT LIFTGATE TAIL LAMP ASSEMBLY RIGHT TURN SIGNAL REPEATER LAMP SERIAL DATA VIO/GRY WIRE VIO/WHT WIRE W/ POWER LIFT GATE W/O POWER LIFT GATE WHT/YEL WIRE YEL/BLU WIRE

AMBIENT LIGHT SENS SIG AMBIENT LIGHT/ SUNLOAD SENSOR AUTO AUTO HIGH BEAM SWITCH AUTOMATIC HI BEAM ON/OFF SW SIG BATT POS VOLT BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/VIO WIRE BLU/YEL WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRAKE SYSTEM CONTROL MODULE BRAKE MASTER CYLINDER BRN WIRE COMPUTER DATA LINES SYSTEM FTP GRN WIRE GRN/BRN WIRE GRY/BLU WIRE GRY/RED WIRE HDLP HI BEAM CTRL HDLP SW FLASH SIG HDLP SW OFF SIG HDLP SW ON SIG HEAD HEADLAMP SWITCH HI BEAM SELECT SW HI BEAM SIG HI SPD GMLAN SER DATA (+) 1 HIGH SPEED GMLAN SERIAL DATA (-) (2) HOT AT ALL TIMES HVAC CONTROL MODULE INSTRUMENT PANEL FUSE BLOCK LH FRT DRL CTRL LH HDLP LO BEAM CTRL OFF PARK PARK BRAKE APPLY SW SIG PARK BRAKE APPLY SW VOLT REF PARK BRAKE CONTROL SWITCH PARK BRAKE REL SW SIG PARK BRAKE REL SW VOLT REF PARK BRAKE SW SIG PARK BRAKE SWITCH PRK BRK SW SPLY VOLT RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RH FR DRL CTRL RH HDLP LO BEAM CTRL TURN SIGNAL/ MULTI-FUNCTION SWITCH WHT WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE YEL/RED WIRE

AUTO HIGH BEAM IND BK LVDS BLK WIRE BLU/BRN WIRE COMPUTER DATA LINES SYSTEM DISPLAY GRN WIRE GRY/BLU WIRE HIGH BEAM IND HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LEFT DAYTIME RUNNING LAMP, LEFT HEADLAMP ASSEMBLY LEFT HIGH BEAM HEADLAMP LEFT LOW BEAM HEADLAMP LOGIC LOW SPD GMLAN SERIAL DATA 2 NCA WIRE POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE RIGHT DAYTIME RUNNING LAMP RIGHT HEADLAMP ASSEMBLY RIGHT HIGH BEAM HEADLAMP RIGHT LOW BEAM HEADLAMP YEL WIRE

AIR BAG IND AUTOMATIC AUTOMATIC LOCKING BATT POSITIVE BATT POSITIVE VOLT BLK WIRE BLU WIRE BLU/YEL WIRE BRN/ORG WIRE COMPUTER DATA LINES SYSTEM DISPLAY GMLAN SERIAL DATA 2 GRN WIRE GRY/GRN WIRE GRY/ORG WIRE HIGH SPD GMLAN SERIAL DATA (-) 2 INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INSTRUMENT CLUSTER LOCKING RETRACTOR LOGIC LOW SPD GMLAN LOW SPD GMLAN SERIAL DATA LOW SPEED LVDS LVDS BK SIG NAVIGATION SYSTEM NCA WIRE ORG/BRN WIRE ORG/GRN WIRE ORG/VIO WIRE ORG/WHT WIRE PASS AIR BAG OFF IND CTRL PASS AIR BAG ON IND CTRL PASS IP AIR BAG STAGE 1 HIGH CTRL PASS IP AIR BAG STAGE 1 LOW CTRL PASS IP AIR BAG STAGE 2 HIGH CTRL PASS IP AIR BAG STAGE 2 LOW CTRL PASS SEAT BELT IND CTRL PASSENGER INSTRUMENT PANEL AIR BAG PASSENGER PRESENCE MODULE (UNDER PASSENGER SEAT CUSHION) PASSENGER SEAT BELT TENSION SENSOR RADIO RED/BLU WIRE RETRACTOR SEAT BELT IND SERIAL DATA SERIAL DATA COMMUNICATION ENABLE SIG STEERING WHEEL AIR BAG COIL STEERING WHL AIR BAG STAGE 1 HIGH CTRL STEERING WHL AIR BAG STAGE 1 LOW CTRL STEERING WHL AIR BAG STAGE 2 HIGH CTRL STEERING WHL AIR BAG STAGE 2 LOW CTRL SW LOW REF SW SIG VIO/WHT WIRE VOLT WHT WIRE WHT/BLU WIRE WHT/ORG WIRE YEL/ORG WIRE

AUTO BATT POS VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) COMPUTER DATA LINES SYSTEM DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW SWITCH GRN/BRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE HDLP SW OFF SIG HDLP SW ON SIG HEAD HEADLAMP SWITCH HIGH SPD GMLAN SERIAL DATA (+) 1 HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LIFTGATE AJAR SW SIG 1 LIFTGATE LATCH LOGIC OFF PARK PASSENGER DOOR LATCH ASSEMBLY PASSENGER WINDOW SWITCH RED/WHT WIRE RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH VIO/GRY WIRE WHT WIRE WHT/VIO WIRE

BATT POS VOLT BATTERY FUSE BLOCK BK DISPLAY SIGNAL BLK WIRE BLK/ORG WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BRAKE FLUID LEVEL SIG BRAKE FLUID LEVEL SWITCH BRAKE IND BRAKE MASTER CYLINDER) BRAKE SYSTEM CONTROL MODULE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY DRIVER SEAT BELT BUCKLE DRIVER SEAT BELT SWITCH DRV SEAT BELT SW LO REF DRV SEAT BELT SW SIG ETHERNET BUS 4 (-) GRN WIRE GRN/GRY WIRE GRY WIRE GRY/RED WIRE GRY/WHT WIRE HIGH SPEED GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INSTRUMENT CLUSTER LO SPD GMLAN SERIAL ATA LOGIC LVDS ORG/BRN WIRE ORG/VIO WIRE PARK BRAKE APPLY SW SIG PARK BRAKE APPLY SW VOLT REF PARK BRAKE CONTROL SWITCH PARK BRAKE IND PARK BRAKE RELEASE SW SIG PARK BRAKE RELEASE SW VOLT REF PARK BRAKE SW SIG PARK BRAKE SW SUPPLY VOLT PARKING BRAKE SWITCH PASS SEAT BELT SW LO REF PASS SEAT BELT SW SIG PASSENGER SEAT BELT BUCKLE PASSENGER SEAT BELT SWITCH RADIO RED/GRY WIRE SEAT BELT IND WHT WIRE YEL WIRE YEL/RED WIRE

ACC WAKE-UP SERIAL DATA BATT POS VOLT BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRN/GRN WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM DELAY SWITCH GRN/BLK WIRE GRY WIRE GRY/VIO WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE LIN BUS 1 INT LOW OFF HIGH INT OFF LOW MIST HIGH LOW WASHER FLUID IND CTRL MIST RADIO REAR WINDSHIELD WASHER PUMP RELAY RED/BRN WIRE SERIAL DATA COMMUNICATION ENABLE SIG GND UNDERHOOD FUSE BLOCK VIO WIRE VIO/YEL WIRE WASHER SWITCH WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/VIO WIRE WINDSHIELD WASHER FLUID LEVEL SENSOR WINDSHIELD WASHER PUMP RELAY WINDSHIELD WASHER RLY CTRL WINDSHIELD WASHER SW SIG WINDSHIELD WIPER MOTOR WINDSHIELD WIPER MOTOR PARK SW SIG WINDSHIELD WIPER MOTOR RLY COIL CTRL WINDSHIELD WIPER RELAY WINDSHIELD WIPER SPEED CONTROL RELAY WINDSHIELD WIPER SW HIGH SIG WINDSHIELD WIPER SW LOW REF WINDSHIELD WIPER SW LOW SIG WINDSHIELD WIPER/WASHER SWITCH WIPER SWITCH YEL/BLU WIRE YEL/BRN WIRE

B+ VOLT BLK WIRE BLK/WHT WIRE COMPUTER DATA LINES SYSTEM GMLAN GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRY/VIO WIRE HOT AT ALL TIMES HVAC CONTROL MODULE INSTRUMENT PANEL FUSE BLOCK LIN BUS 1 LIN BUS 2 LOW SPEED RAIN/AMBIENT LIGHT SENSOR MODULE RED/GRN WIRE SERIAL DATA SIG GND W/ MOISTURE SENSITIVE WINDSHIELD WIPER SYSTEM W/O MOISTURE SENSITIVE WINDSHIELD WIPER SYSTEM WINDSHIELD TEMPERATURE, INSIDE MOISTURE SENSOR WINDSHIELD WASHER PUMP