Buick Envision II (2020-2024) left front strut tower) Wiring diagrams

AUTOSAR CAN BUS (+) 1 SERIAL DATA AUTOSAR CAN BUS (+) 1 SERIAL DATA BRAKE SYSTEM CONTROL MODULE LIN BUS 1 AUTOSAR CAN BUS (+) 2 SERIAL DATA AUTOSAR CAN BUS (+) 2 SERIAL DATA LEFT PARK BRAKE MOTOR LOW REFERENCE AUTOSAR CAN BUS (-) 1 SERIAL DATA RIGHT REAR WHEEL SPEED SENSOR CONTROL AUTOSAR CAN BUS (-) 2 SERIAL DATA RIGHT FRONT WHEEL SPEED SENSOR SIGNAL BATTERY DISTRIBUTION ENGINE COMPARTMENT FUSE BLOCK BATTERY POSITIVE VOLTAGE BLK WIRE BLK/WHT WIRE BLU WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SENSOR BRAKE FLUID LEVEL SIGNAL BRAKE MASTER CYLINDER) BRAKE SYSTEM CONTROL MODULE COMPUTER DATA LINES SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK GRN/GRY WIRE GRN/VIO WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT FRONT STRUT TOWER) LEFT FRONT WHEEL SPEED SENSOR LEFT FRONT WHEEL SPEED SENSOR CONTROL LEFT FRONT WHEEL SPEED SENSOR SIGNAL LEFT PARK BRAKE MOTOR APPLY CONTROL LEFT REAR PARKING BRAKE ACTUATOR LEFT REAR WHEEL SPEED SENSOR LEFT REAR WHEEL SPEED SENSOR CONTROL LEFT REAR WHEEL SPEED SENSOR SIGNAL NCA WIRE RED/WHT WIRE RIGHT FRONT WHEEL SPEED SENSOR RIGHT FRONT WHEEL SPEED SENSOR CONTROL RIGHT PARK BRAKE MOTOR APPLY CONTROL RIGHT PARK BRAKE MOTOR LOW REFERENCE RIGHT REAR PARKING BRAKE ACTUATOR RIGHT REAR WHEEL SPEED SENSOR RIGHT REAR WHEEL SPEED SENSOR SIGNAL RUN/CRANK IGNITION 1 VOLTAGE VIO WIRE VIO/GRY WIRE WHT WIRE YEL 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

BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLOCK ENGINE COOLANT FLOW CONTROL VALVE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM COOLANT DIVERTER VALVE ACTUATOR CONTROL CLOSE COOLANT DIVERTER VALVE ACTUATOR CONTROL OPEN COOLANT DIVERTER VALVE POS SIG COOLANT TEMP SENS 2 SIG ENG BLOCK COOLANT TEMP SIG ENG CTRL MOD LIN BUS 1 ENG CTRL MOD LIN BUS 2 ENG CTRL SENS LO REF 1 ENG CTRL VEHICLE SENS 5 VOLT REF 1 ENG CTRL VEHICLE SENS LOW REF 1 ENG INLET COOLANT TEMP SIG ENG INTEGRATED EXHAUST MANIFOLD TEMP SIG ENG OUTLET COOLANT TEMP SIG ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ENGINE CONTROLS SYSTEM ENGINE COOLANT BYPASS VALVE ENGINE COOLANT TEMPERATURE SENSOR 1 ENGINE COOLANT TEMPERATURE SENSOR 2 ENGINE COOLANT TEMPERATURE SENSOR 5 ENGINE COOLANT TEMPERATURE SENSOR 6 ENGINE CTRL SENS LOW REF 2 ENGINE WIRING HARNESS JUNCTION BLOCK GRN/BRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/VIO WIRE HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED LEFT FRONT STRUT TOWER) LOGIC RUN/CRANK IGN 1 VOLT SIGNAL GROUND VIO WIRE VIO/BLU WIRE VIO/WHT 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

AUTOSAR CAN BUS (-) (1) BATTERY POSITIVE VOLTAGE BLK WIRE BLU WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE WIRING HARNESS JUNCTION BLOCK ETHERNET BUS 7 (-) GROUND HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE LEFT FRONT STRUT TOWER) LOGIC POWER STEERING CONTROL MODULE (ON STEERING GEAR) RED/VIO WIRE WHT WIRE

ACTIVE GRILLE AIR SHUTTER ACTUATOR AIR CONDITIONING COMPRESSOR AIR CONDITIONING CLUTCH BATTERY MONITOR MODULE BLK WIRE BLK/WHT WIRE BRAKE MASTER CYLINDER BRAKE SYSTEM CONTROL MODULE ENGINE COOLANT FLOW CONTROL VALVE ENGINE COOLANT FLOW CONTROL VALVE BLOCK ENGINE RESTART RELAY ENGINE WIRING HARNESS JUNCTION BLOCK EVAPORATIVE EMISSION CANISTER PURGE PUMP IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 LEFT FRONT SIDE MARKER LAMP LEFT FRONT STRUT TOWER) LEFT REAR SIDE MARKER LAMP LEFT SIDE OBSTACLE DETECTION CONTROL MODULE LOW NOTE HORN NCA WIRE PARKING ASSIST CONTROL MODULE PASSENGER RESTRAINTS OCCUPANT CLASSIFICATION SYSTEM MODULE REAR CLOSURE HANDSFREE LAMP REAR CLOSURE HANDSFREE MODULE REAR LICENSE PLATE LAMP MODULE REMOTE FUNCTION ACTUATOR MODULE RESTRAINTS CONTROL MODULE RIGHT FRONT HEADLAMP RIGHT FRONT SIDE MARKER LAMP RIGHT REAR BODY STRUCTURE STOP LAMP RIGHT REAR COMBINATION LAMP LIFTGATE RIGHT REAR SIDE MARKER LAMP RIGHT SIDE OBSTACLE DETECTION CONTROL MODULE STARTER RELAY TRAILER WIRING HARNESS CONNECTOR TRANSMISSION CONTROL MODULE WHT WIRE

BLK WIRE BLK/WHT WIRE ENGINE COMPARTMENT COVER SWITCH ENGINE CONTROL MODULE ENGINE COOLANT PUMP ENGINE COOLING FAN MOTOR EXTERIOR AMBIENT AIR QUALITY SENSOR HIGH NOTE HORN LEFT FRONT HEADLAMP LEFT FRONT STRUT TOWER) LEFT TRAILER STOP/TURN SIGNAL LAMP RELAY MASS AIRFLOW SENSOR NCA WIRE PARKING LAMP RELAY POWER STEERING CONTROL MODULE REAR WINDOW DEFOGGER RELAY REAR WINDOW WASHER PUMP REAR WINDOW WASHER PUMP RELAY REAR WINDOW WIPER MOTOR RELAY RIGHT TRAILER STOP/TURN SIGNAL LAMP RELAY WINDSHIELD WASHER PUMP WINDSHIELD WASHER PUMP RELAY WINDSHIELD WASHER SOLVENT CONTAINER LEVEL SENSOR WINDSHIELD WIPER MOTOR WINDSHIELD WIPER MOTOR RELAY WINDSHIELD WIPER MOTOR SPEED CONTROL RELAY YEL/BRN 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

AUTOSAR CAN BUS (+) 5 SERIAL DATA BLK WIRE BLK/WHT WIRE BLU WIRE BLU/YEL WIRE BRAKE MASTER CYLINDER) BRAKE SYSTEM CONTROL MODULE CAN BUS (-) 1 SERIAL DATA COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE HOT W/ BATTERY SAVER RELAY 1 ENERGIZED HOT W/ IGNITION MAIN RELAY 1 ENERGIZED IGN 1 VOLT INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT FRONT STRUT TOWER) LEFT PARK BRAKE MOTOR APPLY CTRL LEFT PARK BRAKE MOTOR LOW REF LEFT REAR PARKING BRAKE ACTUATOR LOGIC PARK BRAKE IND PARKING BRAKE CONTROL SWITCH RED/GRY WIRE RIGHT PARK BRAKE MOTOR APPLY CTRL RIGHT PARK BRAKE MOTOR LOW REF RIGHT REAR PARKING BRAKE ACTUATOR RUN/CRANK IGN 1 VOLTAGE SERVICE PARK BRAKE IND VIO/BLK WIRE VIO/GRY WIRE WHT WIRE

AUTOMATIC TRANSMISSION ASSEMBLY BATTERY POSITIVE VOLT BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/WHT WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/YEL WIRE BODY CONTROL MODULE BRAKE PEDAL POSITION SENSOR BRK APPLY SENS CTRL BRK APPLY SENS LOW REF BRK APPLY SENS SIG BRK POS SENS SIG CAN BUS (+) 3 SERIAL DATA CAN BUS (-) 2 SERIAL DATA CAN BUS (-) SERIAL DATA CAN BUS (-) SERIAL DATA BATT + VOLT COMPUTER DATA LINES SYSTEM ENG CTRL MODULE LIN BUS 1 ENG POS SENS LOW REF 2 ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) GEAR SHIFT CONTROL MODULE GRN/VIO WIRE GRY/BRN WIRE HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY 1 ENERGIZED HOT W/ IGNITION MAIN RELAY 1 ENERGIZED INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT FRONT STRUT TOWER) NCA WIRE PARK INHIBIT SOLENOID ASSEMBLY CONTROL POWERTRAIN SENS BUS ENABLE RED/GRY WIRE RED/WHT WIRE RUN/CRANK IGN 1 VOLT SIG GND TOP OF TRANSMISSION) TRANSMISSION CONTROL MODULE TRANSMISSION HIGH SIDE DRIVER 2 CONTROL TRANSMISSION PARK VALVE LOCK SOLENOID ACTUATOR VIO/BLK WIRE VIO/GRN WIRE VIO/WHT WIRE WHT WIRE WHT/GRN WIRE WHT/RED WIRE