Buick Envision II (2020-2024) air conditioning system Wiring diagrams

A/C EVAPORATOR TEMP SENS SIG ACCELERATE SW SIG AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM AMBIENT LIGHT SENS SIG ANTI-LOCK BRAKES SYSTEM ANTI-THEFT, DOOR LOCKS SYSTEMS AUTO HI BEAM ASSIST SW SIG AUTO WIPER ON SIG AUTOSAR CAN BUS (-) 2 SER DATA BATT POS VOLT BLK WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLOWER MTR SPD CTRL BLOWER SPD FEEDBACK SIG BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BODY CONTROL MODULE (BELOW CENTER OF INSTRUMENT PANEL, ON FLOOR) BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS DRIVER SOLAR SENS SIG ENHANCED DR MODE 1 SW SIG EXTERIOR LIGHTS SYSTEM AIR CONDITIONING SYSTEM GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/WHT WIRE HAZARD WARNING SW SIG HEADLAMP SW FLASH SIG HEADLAMP SW OFF SIG HEADLAMP SW ON SIG HEADLAMP SW PARK LAMP SIG HEADLIGHTS SYSTEM HIGH BEAM SIG HILL DESCENT CTRL SW SIG HORN SW SIG HORNS SYSTEM HOT AT ALL TIMES HVAC REMOTE ENABLE SIG HVAC SYSTEM ENABLE SIG I/P LAMP DIMMER SW SIG IGN MODE SW ACCESSORY LED SIG IGN MODE SW MODE VOLT IMMOBILIZER ANTENNA LOW SIG IMMOBILIZER ANTENNA SIG (+) INSIDE AIR TEMP SENS SIG INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK INTERIOR LAMP CTRL IP ACCENT LIGHTING CTRL IP LAMP DIMMER SW LOW REF LADDER LOW REF LANE DEPARTURE WARNING DISABLE SW SIG LED BACKLIGHT DIMMING CTRL 1 LEFT TURN SIG SW SIG LIN BUS 12 LIN BUS 5 LIN BUS 6 LR SEAT HEATING SW SIG MODE SW START LED SIG NAVIGATION SYSTEM OPEN/CLOSE SW SIG PARKING ASSIST DISABLE LED SIG PARKING ASSIST DISABLE SIG PARKING ASSIST DISABLE SW SIG PASSIVE ENTRY ANTENNA 1 HI SIG PASSIVE ENTRY ANTENNA 1 LOW SIG POWER DISTRIBUTION SYSTEM POWER RELAY 2 COIL CTRL REAR WINDOW WIPER SW SIG RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RIGHT TURN SIG SW SIG RR SEAT HEATING SW SIG RUN/CRANK RELAY COIL CTRL SEATS SYSTEM SENS LOW REF STARTING/CHARGING SYSTEM STOP/START IND CTRL STOP/START SW SIG TAP UP/TAP DOWN SW SIG TRACTION CTRL SW SIG TRANSMISSIONS SYSTEM UP/DOWN SW SIG VIO/BLU WIRE VIO/YEL WIRE WARNING IND CTRL WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/VIO WIRE WHT/YEL WIRE WINDSHIELD WASHER SW SIG WINDSHIELD WIPER SW LOW REF WINDSHIELD WIPER SW LOW SIG WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM CRUISE CONTROL SYSTEM YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE

A/C COMPRESSOR SOL VLV CTRL ACCENT LIGHTING CTRL AIR CONDITIONING SYSTEM AUTOSAR CAN BUS (-) 2 SER DATA BLK/BRN WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BRAKE APPLY SENS CTRL BRAKE APPLY SENS LOW REF BRAKE APPLY SENS SIG BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM DOOR LOCKS SYSTEM COURTESY LAMP CTRL CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG DEFOGGER SYSTEM DIMMING CTRL 1 DOOR LOCKS SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE HOOD STATUS B SIG HORN RELAY CTRL HORNS SYSTEM LF ANTENNA SIG LOW LF DOOR OPEN SW SIG LF DR LOCK ACTUATOR LOCK CTRL LF EXT DR HANDLE SW UNLK SIG LIFTGATE SENS LAMP CTRL LIN BUS 1 LIN BUS 10 LIN BUS 11 LIN BUS 16 LIN BUS 3 LIN BUS 4 LIN BUS 8 LIN BUS 9 LOCK ACTUATORS UNLOCK CTRL 1 LOCK ACTUATORS UNLOCK CTRL 2 LR DR EXTERIOR SW LOCK SIG LR DR LOCK ACTUATOR LOCK CTRL LR HAPTIC MOVEMENT MTR CTRL LR SEAT HEATING HI IND CTRL NAVIGATION SYSTEM PASSIVE ENTRY ANTENNA 2 HI SIG PASSIVE ENTRY ANTENNA 2 LOW SIG PASSIVE ENTRY ANTENNA HI SIG PASSIVE ENTRY ANTENNA LOW SIG PASSIVE ENTRY LF ANTENNA SIG HI R CLOSURE HANDLE SW OPEN SIG REAR DEFOGGER RELAY CTRL RF DOOR ANTENNA SIG HI RF DOOR ANTENNA SIG LOW RF DR LOCK ACTUATOR LOCK CTRL RF EXT DR HANDLE SW UNLK SIG RR DR EXTERIOR SW UNLOCK SIG RR DR LOCK ACTUATOR LOCK CTRL RR HAPTIC MOVEMENT MTR CTRL RR SEAT HEATING HI IND CTRL SEATS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM UNLATCH ACTUATOR UNLATCH CTRL VIO WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE

AIR CONDITIONING SYSTEM AMBIENT LIGHT SENSOR SIGNAL AUTO HIGH BEAM ASSIST SWITCH SIGNAL AUTO HIGH BEAM SWITCH AUTO PARK BCM LIN BUS 6 BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BODY CONTROL MODULE COMPUTER DATA LINES SYSTEM GEAR SHIFT CONTROL MODULE GRN/BRN WIRE GRN/VIO WIRE GRN/YEL WIRE GRY/BRN WIRE HEAD OFF HEADLAMP SWITCH HEADLAMP SWITCH FLASH SIGNAL HEADLAMP SWITCH OFF SIGNAL HEADLAMP SWITCH ON SIGNAL HI FTP HIGH BEAM SELECT SWITCH HIGH BEAM SIGNAL HOT AT ALL TIMES INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC MULTI-FUNCTION POWER SUPPLY CONVERTER PARK BRAKE SWITCH PARKING BRAKE CONTROL SWITCH RED/GRN WIRE RED/GRY WIRE SENSOR LOW REFERENCE SUNLOAD, AMBIENT LIGHT, SECURITY INDICATOR SENSOR TURN SIGNAL SWITCH WHT WIRE WHT/BLU WIRE WHT/VIO WIRE YEL/BRN WIRE

A/C COMPRESSOR CLTH RLY CTRL A/C REFRIGERANT PRESSURE SENS SIG ACCELERATOR PEDAL POS LOW REF 1 ACCELERATOR PEDAL POS LOW REF 2 ACCELERATOR PEDAL POS SIG 1 ACCELERATOR PEDAL POS SIG 2 ACCELERATOR PEDAL POSITION SENSOR AIR CONDITIONING SYSTEM AMBIENT AIR TEMP SENS SIG AMBIENT AIR TEMPERATURE SENSOR ANTI-THEFT SYSTEM BATT POS VOLT BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRK POS SENS SIG BRN/RED WIRE CAMSHAFT MTR POS SENS 1 SIG CAMSHAFT MTR POS SENS 2 SIG CAMSHAFT POS MTR CTRL A CAMSHAFT POS MTR CTRL B CAMSHAFT POS MTR CTRL C CAMSHAFT POS MTR CTRL D CAMSHAFT POS SENS 2 GND CAN BUS (+) 3 SERIAL DATA CAN BUS (+) SERIAL DATA MASS AIR FLOW SENS SIG CAN BUS (-) 2 SERIAL DATA CAN BUS (-) SERIAL DATA COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG CYLINDER 2 FRONT SOL CTRL CYLINDER 2 POS SENS SIG CYLINDER 2 REAR SOL CTRL CYLINDER 3 FRONT SOL CTRL CYLINDER 3 POS SENS SIG CYLINDER 3 REAR SOL CTRL CYLINDER 4 FRONT SOL CTRL CYLINDER 4 POS SENS SIG CYLINDER 4 REAR SOL CTRL ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) EXHAUST LOBE AXIAL POS SIG 1 EXHAUST LOBE AXIAL POS SIG 2 FUEL PUMP PRIMARY RLY CTRL GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BRN WIRE GRY/YEL WIRE HOOD STATUS A SIG HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK INTAKE LOBE AXIAL POS SIG 1 INTAKE LOBE AXIAL POS SIG 2 LEFT FRONT STRUT TOWER) LIN BUS 4 MASS AIRFLOW SENSOR (IN INTAKE AIR DUCT) POWERTRAIN RLY COIL CTRL PWR MAIN RLY FUSE SPLY VOLT 2 RED/GRN WIRE RUN/CRANK IGN 1 VOLT SIG GND POWERTRAIN MAIN RLY FUSED SPLY VOLT 1 STARTER ENABLE RLY CTRL STARTER PINION SOL ACT RLY CTRL STARTING/CHARGING SYSTEM STEP CAM A CTRL STEP CAM B CTRL VIO/BLK WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/VIO WIRE YEL/WHT WIRE