Buick Envista I (2022-2024) nca 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

BACKUP LAMPS CIRCUIT BLK WIRE BLU/VIO WIRE BLU/WHT WIRE BRN/BLU WIRE BRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND DISTRIBUTION SYSTEM GRY/BRN WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT FRONT TURN SIGNAL LAMP LEFT HEADLAMP ASSEMBLY LEFT PARK/DAYTIME RUNNING LAMP LEFT REAR TURN SIGNAL LAMP LOGIC NCA WIRE POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RIGHT BACKUP LAMP RIGHT OUTER TAIL LAMP RIGHT REAR SIDE MARKER LAMP RIGHT REAR TURN SIGNAL LAMP RIGHT TAIL LAMP ASSEMBLY VIO/BLK WIRE VIO/GRY WIRE VIO/WHT 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

BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/VIO WIRE BRN/GRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW SWITCH ENG CTRL VEH ENGINE CONTROL MODULE ENGINE CONTROLS SYSTEM ENGINE HOOD SWITCH GRN/GRY WIRE GRN/YEL WIRE GRY WIRE HOOD STATUS A SIG LOGIC NCA WIRE PASSENGER DOOR LATCH ASSEMBLY PASSENGER WINDOW SWITCH RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH SENS LO REF 1 SERIAL DATA (-) (1) VIO/BLK WIRE VIO/YEL WIRE WHT WIRE WHT/VIO WIRE YEL WIRE YEL/BLU 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

BATT POS VOLT BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BODY CTRL MODULE LIN BUS 2 BRN/BLK WIRE BRN/BLU WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DRIVER BACK SEAT HEATING ELEMENT DRIVER CUSHION SEAT HEATING ELEMENT DRIVER HEATED/BACK SWITCH DRV HEATED SEAT THERMISTOR LO REF DRV SEAT BACK HEATING TEMP SENS SIG DRV SEAT HEATING ELEMENT CTRL DRV SEAT HEATING ELEMENT LO REF DRV SEAT HEATING TEMP SENS SIG GRN WIRE GRN/BLU WIRE GRY/BLK WIRE HIGH HEAT IND HOT AT ALL TIMES HVAC CONTROL MODULE (CENTER OF DASH) LOGIC LOW HEAT IND LOW HEAT IND MED HEAT IND LOW SPEED GMLAN SERIAL DATA MED HEAT IND NCA WIRE PASS HEATED BACK THERMISTOR LO REF PASS HEATED SEAT THERMISTOR LO REF PASS SEAT BACK HEATING TEMP SENS SIG PASS SEAT HEATING ELEMENT CTRL PASS SEAT HEATING ELEMENT LO REF PASS SEAT HEATING TEMP SENS SIG PASSENGER BACK SEAT HEATING ELEMENT PASSENGER CUSHION SEAT HEATING ELEMENT PASSENGER HEATED/BACK SWITCH RED/BLU WIRE RED/GRN WIRE SEAT HEATING CONTROL MODULE (UNDER FRONT OF PASSENGER SEAT) UNDERHOOD FUSE BLOCK WHT/BLU WIRE WHT/GRY WIRE YEL/GRY WIRE

BLK WIRE BLU WIRE BRN/WHT WIRE HEATED STEERING WHEEL IND HEATED STEERING WHEEL SWITCH HOT W/ IGNITION RUN RELAY ENERGIZED INSTRUMENT PANEL FUSE BLOCK LEFT STEERING WHEEL CONTROLS SWITCH LOGIC NCA WIRE RIGHT STEERING WHEEL CONTROLS SWITCH RUN IGN 3 VOLT STEERING WHEEL AIR BAG COIL STEERING WHEEL HEATER STEERING WHEEL HEATING CONTROL MODULE STRG WHEEL HEATING HIGH CTRL STRG WHEEL HEATING SW LED CTRL STRG WHEEL HEATING SW SIG STRG WHEEL HEATING TEMP SENS SIG VIO WIRE VIO/BRN WIRE WHT WIRE YEL WIRE YEL/GRY WIRE

AMBIENT LIGHT/ SUNLOAD SENSOR BATT POS VOLT HOOD STATUS B SIG BK LVDS INFO DISPLAY SIG BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENG CTRL VEH SENS LO REF 1 ENGINE CONTROL MODULE ENGINE CONTROLS SYSTEM ENGINE HOOD SWITCH GRN WIRE GRN/GRY WIRE GRN/PPL WIRE GRN/VIO WIRE GRY WIRE GRY/BLK WIRE HI SPD GMLAN SERIAL DATA (-) (1) HOOD STATUS A SIG HOT AT ALL TIMES HVAC CONTROL MODULE IMMOBILIZER CONTROL MODULE (UPPER FRONT FLOOR CONSOLE) IMMOBILIZER CTRL MOD CTRL IMMOBILIZER LIN BUS 1 INSTRUMENT CLUSTER LO SPD GMLAN SERIAL DATA LOGIC NCA WIRE RED/BRN WIRE SECURITY IND CTRL SECURITY INDICATOR SERIAL DATA (-) (1) SOLAR SENSOR LOW REF UNDERHOOD FUSE BLOCK VEH ANTI-THEFT SYS IMMOBILIZER LOW REF WHT WIRE YEL WIRE

BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/VIO WIRE BRN/GRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW SWITCH ENG CTRL VEH ENGINE CONTROL MODULE ENGINE CONTROLS SYSTEM ENGINE HOOD SWITCH GRN/GRY WIRE GRN/YEL WIRE GRY WIRE HOOD STATUS A SIG LOGIC NCA WIRE PASSENGER DOOR LATCH ASSEMBLY PASSENGER WINDOW SWITCH RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH SENS LO REF 1 SERIAL DATA (-) (1) VIO/BLK WIRE VIO/YEL WIRE WHT WIRE WHT/VIO WIRE YEL WIRE YEL/BLU 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