Chevrolet Malibu IX facelift (2018-2024) Automatic a/c circuit

14 18 LL DUCT AIRTEMP SENS SIG AMBIENT LIGHT/SUNLOAD SENSOR (TOP CENTER OF DASH) B+ VOLT BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE BLK/BLU WIRE BLOWER MOTOR (BOTTOM OF HVAC BLOWER HOUSING) BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/YEL WIRE BLWR MTR SPD CTRL BRN WIRE COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS ELECTRIC VARIABLE DISPLACEMENT CTRL ELECTRIC VARIABLE DISPLACEMENT SUPPLY GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/RED WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES HUMIDITY SENSOR SIGNAL HUMIDITY TEMPERATURE SENSOR SIGNAL HUMIDITY/WINDSCREEN TEMPERATURE SENSOR LOW REFERENCE HVAC CONTROL MODULE (FRONT OF HVAC MODULE CASING) INSIDE AIR TEMPERATURE SENSOR SIGNAL INSTRUMENT PANEL FUSE BLOCK LOCAL INTERCONNECT NETWORK SERIAL DATA BUS 9 LOGIC LOW SPEED GMLAN SERIAL DATA ON BATTERY) POWER SUPPLY TRANSFORMER REAR DEFOG RELAY CTRL RED WIRE RED/BLU WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RUN/CRANK IGNITION 1 VOLTAGE SOLAR SENSOR DRIVER SIGNAL SOLAR SENSOR LOW REFERENCE SPLY VOLT UNDERHOOD FUSE BLOCK VIO/GRY WIRE W/ ONSTAR W/ START/STOP SYSTEM W/O ONSTAR W/O START/STOP SYSTEM WHT WIRE WINDSCREEN TEMPERATURE SENSOR SIGNAL WINDSHIELD TEMPERATURE, INSIDE MOISTURE SENSOR YEL WIRE YEL/BLU WIRE YEL/RED WIRE

A/C COMPRESSOR (2.0L TURBO, 1.5L TURBO) A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH RELAY A/C COMPRESSOR SOLENOID VALVE A/C ON IND A/C ON SWITCH AUTO IND UPPER AIR OUTLET IND AUTO SWITCH AUXILIARY HEATER COOLANT PUMP AUXILIARY HEATER COOLANT PUMP RELAY BLK WIRE BLU/BRN WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DATA BUS 9 DRIVER HEATED SEAT SWITCH DRIVER HIGH HEAT IND DRIVER LOW HEAT IND DRIVER MED HEAT IND ENGINE CONTROLS IGNITION RELAY GRN WIRE GRN/YEL WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED HVAC CONTROLS LEFT TEMPERATURE CONTROL SWITCH RIGHT TEMPERATURE CONTROL SWITCH LOGIC LOWER AIR OUTLET IND LOWER AIR OUTLET SWITCH MAX IND MAX SWITCH PASSENGER HEATED SEAT SWITCH PASSENGER HIGH HEAT IND PASSENGER LOW HEAT IND PASSENGER MED HEAT IND REAR DEFOGGER IND REAR DEFOGGER SWITCH RECIRCULATION IND RECIRCULATION SWITCH RED WIRE RED/BLU WIRE RED/YEL WIRE SERIAL DATA START STOP IND START/ STOP SWITCH SYNC SWITCH UNDERHOOD FUSE BLOCK UPPER AIR OUTLET SWITCH VIO/GRY WIRE W/ START/STOP SYSTEM WHT/GRY WIRE WINDSHIELD DEFROST IND SYNC IND WINDSHIELD DEFROST SWITCH YEL/BLU WIRE

2.0L TURBO AIR RECIRCULATION DOOR ACTUATOR BATTERY FUSE BLOCK BLK WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE IND ETHERNET BUS 7 (+) ETHERNET BUS 7 (-) GRN WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/RED WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN VOLT INSTRUMENT CLUSTER LEFT AIR TEMPERATURE DOOR ACTUATOR LOGIC MODE DOOR ACTUATOR ON BATTERY) RED/YEL WIRE UNDERHOOD FUSE BLOCK VIO WIRE VIO/GRN WIRE VIO/GRY WIRE WHT WIRE WHT/GRN WIRE WHT/GRY WIRE YEL/BLK WIRE YEL/BRN WIRE

A/C EVAPORATOR TEMPERATURE SENSOR AIR TEMP DOOR CTRL AIR TEMP DOOR CTRL LOW REF AIR TEMP DOOR POSITION SIG BLK/YEL WIRE BLU/BRN WIRE BLU/YEL WIRE BRN WIRE BRN/YEL WIRE EVAP CORE TEMP SENS SIG GRN WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/RED WIRE HVAC CONTROL MODULE (FRONT OF HVAC MODULE CASING) LEFT LOWER AIR DUCT TEMPERATURE SENSOR LEFT UPPER AIR DUCT TEMPERATURE SENSOR MODE 1 VALVE POSITION SENS SIG MODE DOOR CTRL PASSENGER AIR TEMP DOOR CTRL PASSENGER AIR TEMP DOOR POSITION SIG PASSENGER AIR TEMP MOTOR CTRL RECIRCULATION DOOR CTRL RECIRCULATION DOOR POSITION SIG RIGHT AIR TEMPERATURE DOOR ACTUATOR RIGHT LOWER AIR DUCT TEMPERATURE SENSOR RIGHT UPPER AIR DUCT TEMPERATURE SENSOR VIO/GRN WIRE W/O DUAL ZONE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/GRY WIRE YEL/BLK WIRE YEL/BRN WIRE

2.0L TURBO A/C REFRIGERANT PRESS SENS SIG A/C REFRIGERANT PRESSURE SENSOR AIR TEMP SENS SIG AMBIENT AIR TEMPERATURE SENSOR BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BRN WIRE BRN/RED WIRE CLUTCH RELAY CTRL COMPUTER DATA LINES SYSTEM COOLING FAN CTRL RELAY SPEED SIG COOLING FAN MOTOR (BEHIND RADIATOR) ENG COOLANT TEMP SENS SIG ENG CTRL SENS LO REF 1 ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR GRN WIRE GRN/VIO WIRE GROUND GROUND BATT POS VOLT GRY WIRE HI SPEED GMLAN SERIAL DATA (-) 1 HOT AT ALL TIMES HTR RELAY CTRL J140 (2.0L TURBO) J410 (1.5L TURBO) LOGIC NCA WIRE RED/BRN WIRE RED/WHT WIRE RELAY SPEED SIG SENS LO REF 2 SIG GROUND SIG GROUND UNDERHOOD FUSE BLOCK VIO WIRE WHT WIRE WHT/GRY WIRE