Chevrolet Volt I (2010-2015) Automatic a/c circuit

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 B+ LOW SPD GMLAN AIR RECIRCULATION DOOR ACTUATOR (ON HVAC MODULE, ABOVE BLOWER MOTOR) AIR TEMP SENS SIG HUMIDITY TEMP SENS SIG 5 VOLT REF LOW REF AIR TEMPERATURE DOOR ACTUATOR (LEFT SIDE OF HVAC MODULE) BLK RED/ WIRE BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLOWER MOTOR SPD CTRL BRN WIRE BRN/DK GRN WIRE BRN/LT BLU WIRE BRN/VIO WIRE CABIN CLANT MTR CTRL GND IGN COMPUTER DATA LINES SYSTEM CTRL 1 CTRL 2 CTRL 4 DEFOGGER IND DEFOGGER SW DEFOGGER SYSTEM DK BLU/WHT WIRE DK GRN BRN/ WIRE DK GRN RED/ WIRE DK GRN WIRE DK GRN/WHT WIRE GRY WIRE GRY/DK GRN WIRE GRY/LT BLU WIRE GRY/LT GRN WIRE GRY/ORG WIRE GRY/RED WIRE HOT AT ALL TIMES HTR COOLANT MTR HUMIDITY SENS SIG HVAC CONTROL MODULE (CENTER OF DASH) HVAC FUSE LEFT INSTRUMENT PANEL FUSE BLOCK (BEHIND LEFT END OF DASH) LH AIR TEMP SENS SIG COOLANT TEMP SIG LINEAR INTERCONNECT NETWORK BUS 9 LOGIC LOW REF LOW REF REAR DEFOG RLY CTRL LT BLU/GRY WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/GRY WIRE LT GRN/YEL WIRE MODE DOOR ACTUATOR (LEFT SIDE OF HVAC MODULE) MTR ORG/ WIRE PNK WIRE POWER DISTRIBUTION SYSTEM RADIO/ HVAC CONTROLS RED/ GRY WIRE RED/BLK WIRE RED/DK GRN WIRE RED/LT GRN WIRE SERIAL DATA LINEAR INTERCONNECT NETWORK BUS 9 SPLY TEMP SENS COMM LO REF TWILIGHT SENTINEL SIG VIO/BRN WIRE VIO/YEL WIRE VOLT WHT DK GRN/ WIRE WHT WIRE WHT/ DK BLU WIRE WHT/PNK WIRE WHT/RED WIRE WINDSCRN TEMP SENS SIG YEL WIRE YEL/LT BLU WIRE YEL/RED WIRE YEL/VIO WIRE

AMBIENT LIGHT/ SUNLOAD SENSOR (FRONT CENTER OF DASH) B+ VOLT BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLOWER MTR FAN CTRL BLOWER MTR SPD CTRL BLWR FUSE BRN WIRE BRN/LT BLU WIRE COOLANT HEATER TEMPERATURE SENSOR (RIGHT REAR OF ENGINE COMPT) DK BLU WIRE FDBACK SIG GRY/DK GRN WIRE GRY/LT BLU WIRE GRY/LT GRN WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES LT BLU/GRY WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/GRY WIRE MOTOR CTRL MTR ANABLE RED/LT BLU WIRE RED/WHT WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK (BEHIND RIGHT SIDE OF INSTRUMENT PANEL) VIO/BRN WIRE VIO/YEL WIRE WHT WIRE WHT/LT BLU WIRE YEL/LT BLU WIRE YEL/RED WIRE YEL/VIO WIRE

5 VOLT REF ACCESS WAKUP SRL DATA ACCM COOL FUSE FAN 1 FUSE B+ VOLT BATT + BLK WIRE BLK/BRN WIRE BRN/RED WIRE CABIN PMP/VLV FUSE CHCM MISC FUSE RUN/CRNK FUSE COMPUTER DATA LINES SYSTEM COOL FAN 2 FUSE COOLANT HEATER CONTROL MODULE (REAR OF ENGINE COMPT) COOLANT TEMP SENS SIG COOLING FAN SPD SIG CTRL SIG ENGINE CONTROL MODULE (LEFT FRONT CORNER OF ENGINE COMPT) GMLAN GRN WIRE GRY/LT BLU WIRE GRY/LT GRN WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN ENERGIZED LOGIC LOW REF LOW SPD LT BLU WIRE LT BLU/VIO WIRE LT BLU/WHT WIRE LT GRN WIRE NCA WIRE ORG/ WIRE PRESS SENS SIG RED WIRE RED/GRY WIRE RED/LT BLU WIRE RED/WHT WIRE SERIAL DATA UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VIO/DK BLU WIRE WHT WIRE WINDSHIELD TEMPERATURE, INSIDE MOISTURE SENSOR (TOP CENTER OF WINDSHIELD) YEL/LT BLU WIRE YEL/RED WIRE

5 VOLT REF 63 31 60 33 32 5 VOLT REF LOW PRESS SENS SIG LOW REF LOW REF HI TEMP SENS SIG 72 52 9 HTR SOL VALVE CTRL COOLING FAN CTRL SIG HTR SOL VALVE CTRL A/C LOW SIDE PRESSURE SENSOR (LEFT SIDE OF ENGINE, ON A/C LINE) A/C REFRIGERANT LOW SIDE TEMPERATURE SENSOR (LEFT FRONT OF ENGINE, ON A/C LINE) A/C REFRIGERANT PRESSURE SENSOR (RIGHT FRONT OF ENGINE COMPT) ACCESS WAKUP SERIAL DATA 2 B+ VOLT BLK WIRE BLK/BRN WIRE BLK/LT BLU WIRE BLK/LT GRN WIRE BLK/VIO WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM COOLANT VALVE POSITION SENS SIG DATA (+) (1) HI SPD GMLAN ENGINE COOLANT TEMPERATURE SENSOR (LEFT REAR OF CYLINDER HEAD) FUSE FUSE HI SPD GMLAN DATA (-) (1) HI VOLT BATT (+) HYBRID/EV POWERTRAIN CONTROL MODULE 1 HYBRID/EV POWERTRAIN CONTROL MODULE 2 (UNDER FRONT PASSENGER'S LOGIC LOW REF LOW SPD SERIAL DATA LT BLU WIRE LT BLU/RED WIRE LT BLU/VIO WIRE LT GRN WIRE NCA WIRE ORG/ WIRE RED/WHT WIRE RUN/CRANK IGNITION 1 VOLT SEAT) VIO/BRN WIRE VIO/DK BLU WIRE WHT WIRE WHT/LT BLU WIRE WHT/LT GRN WIRE WHT/RED WIRE YEL/LT BLU WIRE