Buick Envision II (2020-2024) (engine harness, near transmission breakout) Wiring diagrams

AUTOMATIC TRANSMISSION INPUT SPEED SENSOR AUTOSAR CAN BUS (+) 2 SERIAL DATA AUTOSAR CAN BUS (+) 5 SERIAL DATA AUTOSAR CAN BUS (-) 5 SERIAL DATA BATT POSITIVE VOLT BLK/BRN WIRE BLK/WHT WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE CLUTCH SOLENOID VALVE C CTRL CLUTCH SOLENOID VALVE D CTRL COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ELECTRONIC TRANS RANGE SELECT OUT OF PARK SW 2 SIG ELECTRONIC TRANS RANGE SELECT OUT OF PARK SW SIG ELECTRONIC TRANS RANGE SELECT SW ANALOG SIG 1 ELECTRONIC TRANS RANGE SELECT SW ANALOG SIG 2 ENGINE CTRL MODULE LIN BUS 1 ENGINE WIRING HARNESS JUNCTION BLOCK GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE HOT AT ALL TIMES IN SPD SIG INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC MULTI-FUNCTION POWER SUPPLY CONVERTER OUT SPD SIG POWER DISTRIBUTION SYSTEM RED WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RUN/CRANK IGNITION 1 VOLT SOLENOID ASSEMBLY CTRL SOLENOID VALVE LOW SIDE CTRL TCC/CLUTCH SELECT SOLENOID VALVE CTRL TRANS CLUTCH F CTRL TRANS CLUTCH G CTRL TORQUE CONV CLUTCH SOLENOID VALVE CTRL TRANS CTRL MODULE GND 62 TRANS FLUID TEMP SENS LOW REF TRANS FLUID TEMP SENS SIG TRANS HI SIDE DRIVER 1 CTRL TRANS HI SIDE DRIVER 2 CTRL TRANS INPUT SHAFT TRANS INTERMEDIATE SPD SIG TRANS OIL LEVEL SENS SIG TRANS OUTPUT SHAFT TRANSMISSION CONTROL MODULE (TOP OF TRANSMISSION) TRANSMISSION FLUID PRESSURE ACCUMULATOR SOLENOID VALVE VIO WIRE VIO/BLK WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN 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

ACCEL PEDAL POS LOW REF 1 ACCEL PEDAL POS LOW REF 2 ACCEL PEDAL POS SIG 1 ACCEL PEDAL POS SIG 2 ACCELERATOR PEDAL POSITION SENSOR AUTOSAR AUTOSAR CAN BUS (+) 2 SERIAL DATA AUTOSAR CAN BUS (+) 3 SERIAL DATA BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BRAKE APPLY SENS SIG BRAKE PEDAL POSITION SENSOR BRAKE POS SENS SIG BRK APPLY SENS CTRL BRK APPLY SENS LOW REF BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE CAN BUS (-) 5 COMPUTER DATA LINES SYSTEM CRUISE CTRL SET/COAST/ RES/ACC SW SIG CRUISE IND CRUISE/ETC/TCC BRK SIG CRUISE/ETC/TCC/BRAKE SIG DISTANCE SENS CRUISE CTRL GAP UP/DOWN SW SIG DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ENGINE CTRL VEHICLE SENS 5 VOLT REF 1 ENGINE CTRL SENS LOW REF 2 ENGINE WIRING HARNESS JUNCTION BLOCK GND 21 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT FRONT STRUT TOWER) LOGIC MULTI-FUNCTION POWER SUPPLY CONVERTER RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RUN/CRANK RUN/CRANK IGN 1 VOLT SERIAL DATA SERIAL DATA CAN BUS (-) 5 STEERING WHEEL AIR BAG COIL STEERING WHEEL RESISTOR LADDER LOW RE THROTTLE BODY (ON INTAKE MANIFOLD) THRTL ACTUATOR CLOSE CTRL THRTL ACTUATOR OPEN CTRL THRTL POS SENS LOW REF THRTL POS SENS SENT 1 SIG VIO/BLK WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/WHT WIRE

AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION INPUT SPEED SENSOR AUTOMATIC TRANSMISSION OUTPUT SPEED SENSOR AUTOSAR CAN BUS (+) 2 SERIAL DATA AUTOSAR CAN BUS (-) 2 SERIAL DATA BLK/VIO WIRE BLK/WHT WIRE BLU/YEL WIRE BRN/GRN WIRE BRN/WHT WIRE CANCEL SWITCH COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH CRUISE IND CRUISE SWITCH ENGINE WIRING HARNESS JUNCTION BLOCK FORWARD COLLISION WARNING SWITCH GRN/VIO WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/GRN WIRE HEATED STEERING WHEEL IND HEATED STEERING WHEEL SWITCH HOT AT ALL TIMES INPUT SPD SIG LOGIC NCA WIRE OUTPUT SPD SIG RED/GRN WIRE RED/GRY WIRE RES+ SEATS SYSTEM SET- STEERING WHEEL AIR BAG COIL STEERING WHEEL RADIO CONTROL SWITCH TRANS INPUT SHAFT SPD TRANS INTER SPD SIG TRANS OUTPUT SHAFT SPD TRANSMISSION CONTROL MODULE (TOP OF TRANSMISSION) TRANSMISSIONS SYSTEM VIO WIRE WHT WIRE WHT/BLK WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/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

AUTOMATIC TRANSMISSION AUTOSAR CAN BUS (+) 2 SERIAL DATA BATTERY BATTERY DISTRIBUTION ENGINE COMPARTMENT FUSE BLOCK BATTERY MONITOR MODULE BLK WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM ELECTRONIC TRANSMISSION RANGE SELECT OUT OF PARK SWITCH 2 SIGNAL ELECTRONIC TRANSMISSION RANGE SELECT OUT OF PARK SWITCH SIGNAL ENGINE RESTART RELAY ENGINE WIRING HARNESS JUNCTION BLOCK GENERATOR HOT AT ALL TIMES NCA WIRE RED/WHT WIRE STARTER STARTER RELAY TRANSMISSION CONTROL MODULE (TOP OF TRANSMISSION) TRANSMISSION OUTPUT SHAFT SPEED TRANSMISSION PARK VALVE POSITION SWITCH TRANSMISSIONS SYSTEM VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/VIO WIRE