Buick Envista I (2022-2024) Automatic a/c circuit

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

A/C COMPRESSOR CLUTCH RELAY A/C IND A/C SWITCH AUTO IND AUTO SWITCH BLK/WHT WIRE BLU/GRY WIRE BRN/GRN WIRE BRN/YEL WIRE COOLING FAN HIGH SPEED RELAY COOLING FAN LOW SPEED RELAY COOLING FAN MEDIUM SPEED RELAY DEFROST, LOWER AIR OUTLET IND DEFROST, LOWER AIR OUTLET SWITCH ENGINE CONTROLS IGNITION RELAY FAN DOWN SWITCH FAN UP SWITCH GRN WIRE GRN/VIO WIRE GRN/YEL WIRE GRY WIRE HVAC CONTROLS LEFT TEMPERATURE DOWN SWITCH LEFT TEMPERATURE UP SWITCH START/ STOP SWITCH RIGHT TEMPERATURE DOWN SWITCH LOGIC LOWER AIR OUTLET IND LOWER AIR OUTLET SWITCH RECIRCULATION IND RECIRCULATION SWITCH RED/BLU WIRE RED/BRN WIRE RED/WHT WIRE RIGHT TEMPERATURE UP SWITCH START STOP IND TEMPERATURE CONTROL UNDERHOOD FUSE BLOCK UPPER AIR OUTLET IND UPPER AIR OUTLET SWITCH UPPER, LOWER AIR OUTLET IND UPPER, LOWER AIR OUTLET SWITCH WHT/BLK WIRE WHT/BLU WIRE WHT/GRY WIRE WINDSHIELD DEFROST IND WINDSHIELD DEFROST SWITCH YEL WIRE

A/C COMPRESSOR CLUTCH A/C EVAPORATOR TEMPERATURE SENSOR AMBIENT AIR TEMPERATURE SENSOR AUXILIARY COOLANT PUMP BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/YEL WIRE BLOWER MOTOR BLOWER MTR LO RTN BLOWER MTR SPD CTRL BLU WIRE BLU/GRY WIRE BRN/GRN WIRE BRN/YEL WIRE ENGINE COOLANT TEMPERATURE SENSOR GRN/VIO WIRE GRY WIRE HOT AT ALL TIMES NCA WIRE RED/BLU WIRE RED/VIO WIRE UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLK WIRE WHT/BLK WIRE WHT/GRY WIRE

5-VOLT REF 1 A/C COMPRESSOR CLUTCH RLY CTRL A/C EVAPORATOR TEMP SENS SIG A/C ON IND A/C ON SWITCH A/C REFRIGERANT PRESS SENS SIG A/C REFRIGERANT PRESSURE SENSOR AIR INLET DOOR ACTUATOR CTRL 1 AIR INLET DOOR ACTUATOR CTRL 2 AIR INLET DOOR ACTUATOR CTRL 3 AIR INLET DOOR ACTUATOR CTRL 4 AIR RECIRCULATION DOOR ACTUATOR AIR TEMP DOOR CTRL 1 AIR TEMP DOOR CTRL 2 AIR TEMP DOOR CTRL 3 AIR TEMP DOOR CTRL 4 AMBIENT AIR TEMP SENS SIG BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/RED WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COOLING FAN HI SPD RLY CTRL COOLING FAN LOW SPD RLY CTRL ENG COOLANT TEMP SENS SIG ENGINE CONTROL MODULE ENGINE CONTROLS SYSTEM ENGINE CTRL MODULE LIN BUS 1 ENGINE CTRL SENS ENGINE CTRL SENS LOW REF 2 FAN 3 CTRL FSD SUPPLY VOLT 1 GRN WIRE GRN/VIO WIRE GRY WIRE GRY/BLU WIRE HI SPD GMLAN SERIAL DATA (-) (1) HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED HVAC CONTROL MODULE (CENTER OF DASH) HVAC DOOR ACTUATOR CTRL LEFT AIR TEMPERATURE DOOR ACTUATOR LOGIC LOW REF (1) MODE DOOR ACTUATOR MODE DOOR CTRL 1 MODE DOOR CTRL 2 MODE DOOR CTRL 3 MODE DOOR CTRL 4 POWERTRAIN MAIN RLY SENS LOW REF SIG GND UNDERHOOD FUSE BLOCK VIO/BLU WIRE VIO/GRN WIRE WHT WIRE WHT/BLK WIRE WHT/GRY WIRE YEL WIRE YEL/GRN WIRE