Automatic a/c circuit for Buick Envision I (2016-2018)

Automatic a/c circuit (5 of 5)

5 VOLT REF A/C LOW REF A/C PRESS SENS SIG AIR INLET DR STEPPER MOTOR CTRL 1 AIR INLET DR STEPPER MOTOR CTRL 2 AIR INLET DR STEPPER MOTOR CTRL 3 AIR INLET DR STEPPER MOTOR CTRL 4 AIR RECIRCULATION DOOR MOTOR AIR TEMP DR STEPPER MOTOR PASS CTRL 1 AIR TEMP DR STEPPER MOTOR PASS CTRL 2 AIR TEMP DR STEPPER MOTOR PASS CTRL 3 AIR TEMP DR STEPPER MOTOR PASS CTRL 4 AUX MODE DR STEPPER MOTOR CTRL 1 AUX MODE DR STEPPER MOTOR CTRL 2 AUX MODE DR STEPPER MOTOR CTRL 3 AUX MODE DR STEPPER MOTOR CTRL 4 AUX TEMP DR STEPPER MOTOR CTRL 1 AUX TEMP DR STEPPER MOTOR CTRL 2 AUX TEMP DR STEPPER MOTOR CTRL 3 AUX TEMP DR STEPPER MOTOR CTRL 4 AUXILIARY AIR TEMPERATURE DOOR ACTUATOR AUXILIARY MODE DOOR ACTUATOR BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE CLUTCH RLY CTRL COMPUTER DATA LINES SYSTEM COOLING FAN CTRL RLY SIG ENG COOLANT ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR EVAP CORE TEMP SENS SIG GMLAN SERIAL DATA (-) 3 GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/WHT WIRE HTR RLY CTRL HVAC CONTROL MODULE (BEHIND TOP CENTER OF INSTRUMENT PANEL) HVAC MOTOR CTRL HVAC MOTOR SUPPLY VOLTAGE LOWER LEFT AIR TEMP SENS SIG LOWER RIGHT AIR TEMP SENS SIG MAIN RLY FUSE SPLY 1 MODE DR STEPPER MOTOR CTRL 1 MODE DR STEPPER MOTOR CTRL 2 MODE DR STEPPER MOTOR CTRL 3 MODE DR STEPPER MOTOR CTRL 4 ORG/ WIRE ORG/BLK WIRE PNK WIRE RED WIRE RED/BLK WIRE RED/GRN WIRE RIGHT AIR TEMPERATURE DOOR ACTUATOR SENS LO REF SENS LOW REF SIG GND TEMP DR STEPPER MOTOR CTRL 1 TEMP DR STEPPER MOTOR CTRL 2 TEMP DR STEPPER MOTOR CTRL 3 TEMP DR STEPPER MOTOR CTRL 4 TEMP SENS SIG UNDERHOOD FUSE BLOCK UPPER LEFT AIR TEMP SENS SIG UPPER RIGHT AIR TEMP SENS SIG VIO WIRE VIO/BLU WIRE VIO/GRY WIRE WHT WIRE WHT/BLK WIRE WHT/GRY WIRE WHT/PNK WIRE WHT/RED WIRE WHT/VIO WIRE YEL WIRE YEL/GRN WIRE