Manual a/c circuit for Buick Envision II (2020-2024)

A/C COMPRESSOR SOLENOID VALVE CONTROL A/C EVAPORATOR TEMPERATURE SENSOR SIGNAL AIR INLET VALVE ACTUATOR AUTOSAR CAN BUS (+) 2 SERIAL DATA BATT POS VOLT BATTERY POSITIVE VOLTAGE BLK WIRE BLK/YEL WIRE BLOWER MOTOR SPEED CONTROL BLOWER SPEED FEEDBACK SIGNAL BLU/BRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BODY CONTROL MODULE LIN BUS 6 COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY DRIVER SOLAR SENSOR SIGNAL ENGINE COOLANT TEMPERATURE GAUGE GRN/BLK WIRE GRN/BLU WIRE GRN/VIO WIRE GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED HVAC REMOTE ENABLE SIGNAL HVAC SYSTEM ENABLE SIGNAL INSIDE AIR TEMPERATURE SENSOR SIGNAL INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LIN BUS 1 LOGIC MODE VALVE ACTUATOR RED/WHT WIRE RED/YEL WIRE SENSOR LOW REFERENCE VIO/GRY WIRE WHT WIRE WHT/YEL WIRE YEL/BLK WIRE

A/C CLUTCH A/C COMPRESSOR (LEFT SIDE OF ENGINE) A/C COMPRESSOR SOLENOID VALVE A/C EVAPORATOR AIR TEMPERATURE SENSOR AIR CONDITIONING COMPRESSOR RELAY BATTERY DISTRIBUTION ENGINE COMPARTMENT FUSE BLOCK BLK WIRE BLK/YEL WIRE BLOWER MOTOR (UNDER RIGHT SIDE OF DASH) BLU/BRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/GRN WIRE ENGINE CONTROLS IGNITION RELAY ENGINE WIRING HARNESS JUNCTION BLOCK GRN WIRE GRN/BLU WIRE GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES LEFT TEMPERATURE VALVE ACTUATOR LOGIC NCA WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE VIO/BLU WIRE VIO/GRY WIRE WHT/GRY WIRE YEL/BLK WIRE

A/C IND A/C SWITCH AIR OUTLET ANTI-THEFT SYSTEM BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/WHT WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM DEFROST EXTERIOR AMBIENT AIR QUALITY SENSOR FRONT HEATER, AIR CONDITIONING USER INTERFACE CONTROL GRN/BRN WIRE GRN/WHT WIRE GRY WIRE GRY/GRN WIRE HEADLIGHTS SYSTEM ILL IND INSIDE AIR MOISTURE, WINDSHIELD TEMPERATURE SENSOR INSIDE AMBIENT AIR QUALITY PARTICULATE SENSOR MODULE LOGIC LOWER MAX WINDSHIELD DEFROST IND MAX WINDSHIELD DEFROST SWITCH NCA WIRE ON/OFF IND ON/OFF SWITCH POWER DISTRIBUTION SYSTEM RECIRCULATION IND RECIRCULATION SWITCH RED/GRY WIRE RED/YEL WIRE SUNLOAD, AMBIENT LIGHT, SECURITY INDICATOR SENSOR SWITCH TEMPERATURE CONTROL SWITCH UPPER VENTILATING FAN SWITCH VIO/BLU WIRE VIO/GRY WIRE WHT/BLU WIRE WHT/GRY WIRE

A/C COMPRESSOR CLUTCH RELAY CONTROL A/C REFRIGERANT PRESSURE SENSOR SIGNAL AMBIENT AIR TEMPERATURE SENSOR SIGNAL BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM COOLANT DIVERTER VALVE ACTUATOR CONTROL CLOSE COOLANT DIVERTER VALVE ACTUATOR CONTROL OPEN COOLANT DIVERTER VALVE POSITION SIGNAL COOLANT TEMPERATURE SENSOR 2 SIGNAL ENGINE BLOCK COOLANT TEMPERATURE SIGNAL ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ENGINE CONTROL MODULE LIN BUS 4 ENGINE CONTROL SENSORS 5 VOLT REF 1 ENGINE CONTROL SENSORS LOW REFERENCE 1 ENGINE CONTROL SENSORS LOW REFERENCE 2 ENGINE CONTROL VEHICLE SENSORS 5 VOLT REF 1 ENGINE CONTROL VEHICLE SENSORS LOW REF 1 ENGINE CONTROLS SYSTEM ENGINE COOLANT BYPASS VALVE ENGINE COOLANT FLOW CONTROL VALVE ENGINE COOLANT FLOW CONTROL VALVE BLOCK ENGINE COOLANT TEMPERATURE SENSOR 1 ENGINE COOLANT TEMPERATURE SENSOR 2 ENGINE COOLANT TEMPERATURE SENSOR 5 ENGINE INLET COOLANT TEMPERATURE SIGNAL ENGINE INTEGRATED EXHAUST MANIFOLD TEMPERATURE SIG ENGINE OUTLET COOLANT TEMPERATURE SIGNAL GRN WIRE GRN/BRN WIRE GRN/YEL WIRE GRY/VIO WIRE LEFT FRONT STRUT TOWER) LOGIC POWERTRAIN MAIN RELAY FUSED SUPPLY VOLTAGE 5 PVT SERIAL DATA POWERTRAIN CAN BUS (-) SERIAL DATA RED/GRY WIRE RED/YEL WIRE SIGNAL GROUND VIO WIRE VIO/BLU WIRE WHT WIRE WHT/GRY WIRE WHT/RED WIRE YEL/BLK WIRE YEL/BLU WIRE

A/C REFRIGERANT PRESSURE SENSOR AMBIENT AIR TEMPERATURE SENSOR BLK WIRE BLK/GRY WIRE BLK/YEL WIRE BLU/GRY WIRE BLU/RED WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROLS SYSTEM ENGINE COOLANT PUMP (LOWER LEFT FRONT OF ENGINE) ENGINE COOLANT TEMPERATURE SENSOR 6 GRN WIRE GRN/BRN WIRE GRN/VIO WIRE GRY/VIO WIRE LOGIC NCA WIRE RADIATOR COOLANT TEMPERATURE SENSOR RED/GRY WIRE RED/YEL WIRE RIGHT SIDE OF RADIATOR) YEL/BLK WIRE