Buick Envision I (2016-2018) underhood fuse block Wiring diagrams

BACKUP LAMP CTRL BATT POS VOLT BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE CAMERA LOW REFERENCE CAMERA SIGNAL 2 COMPUTER DATA LINES SYSTEM DC DC TRANS FUSE DEVICE 2 SWITCHED VOLT GRILLE FRONT VIEW CAMERA GRN/WHT WIRE GRN/YEL WIRE GRY/GRN WIRE GRY/YEL WIRE HOT AT ALL TIMES HUMAN MACHINE INTERFACE CONTROL MODULE INSTRUMENT PANEL FUSE BLOCK LEFT SIDE VIEW CAMERA (AT LEFT OUTSIDE REAR VIEW MIRROR) LOW SPEED GMLAN SERIAL DATA LT BLU WIRE NCA WIRE ORG/ WIRE POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER REAR VIEW CAMERA RED WIRE RED/BLU WIRE RED/GRN WIRE RIGHT SIDE VIEW CAMERA (AT RIGHT OUTSIDE REAR VIEW MIRROR) SIGNAL GROUND SUPPLY VOLTAGE 2 TCM FUSE UNDERHOOD FUSE BLOCK VIDEO PROCESSING CONTROL MODULE VIO/GRY WIRE WHT WIRE WHT/BLU WIRE YEL WIRE

ABS PUMP FUSE ABS VLV FUSE BATTERY POSITIVE VOLT BLK WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SENS SIG BRAKE PRESSURE MODULATOR BRN WIRE COMBINED VEH COMBINED VEH INERTIAL SENS SPLY VOLT COMPUTER DATA LINES SYSTEM ELECTRONIC BRAKE CONTROL MODULE (RIGHT OF LEFT STRUT TOWER) GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HI SPD GMLAN HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) (2) HOT AT ALL TIMES INERTIAL SENS LEFT FRONT WHEEL SPEED SENSOR LEFT REAR WHEEL SPEED SENSOR LF WHEEL SPD SENS CTRL LF WHEEL SPD SENS SIG LR PARK BRAKE MOTOR APPLY CTRL LR PARK BRAKE MOTOR LOW REF LR WHEEL SPD SENS CTRL LR WHEEL SPD SENS SIG MULTI-AXIS ACCELERATION SENSOR MODULE NCA WIRE PARK BRAKE APPLY SW SIG PARK BRAKE APPLY SW VOLT REF PARK BRAKE REL SW SIG PARK BRAKE REL SW VOLT REF PARK BRAKE SW SIG PARK BRAKE SW SPLY VOLT RED/VIO WIRE RED/WHT WIRE RF WHEEL SPD SENS CTRL RF WHEEL SPD SENS SIG RIGHT FRONT WHEEL SPEED SENSOR RR PARK BRAKE MOTOR APPLY CTRL RR PARK BRAKE MOTOR LOW REF RR WHEEL SPD SENS CTRL RR WHEEL SPD SENS SIG SERIAL DATA 2 SERIAL DATA COMM ENABLE SHIFT INTERLOCK SYSTEM SPLY VOLT UNDERHOOD FUSE BLOCK VIO WIRE WHT WIRE WHT/BLU WIRE YEL WIRE YEL/RED WIRE

ABS IND. BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/YEL WIRE BODY CONTROL MODULE BRAKE APPLY SENS CTRL BRAKE APPLY SENS LOW REF BRAKE BOOSTER VACUUM SENSOR BRAKE FLUID LEVEL SWITCH BRAKE IND BRAKE PEDAL POSITION SENSOR BRAKE POSITION SENS SIG BRAKE POSITION BRAKE VACUUM BRAKE VACUUM SENS SIG BRN WIRE CENTER CONSOLE MULTI-FUNCTION SWITCH COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ECS IND ECS OFF ENGINE CONTROL MODULE ENGINE CONTROLS SYSTEM GRN/BLK WIRE GRN/GRY WIRE GRY/RED WIRE GRY/YEL WIRE HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (+) (1) IND INSTRUMENT CLUSTER LOGIC NCA WIRE PARK BRAKE SWITCH RIGHT REAR WHEEL SPEED SENSOR SIG GND TCS OFF TRACTION CONTROL SWITCH TRACTION CTRL SW SIG 1 BRAKE APPLY SENS SIG UNDERHOOD FUSE BLOCK VIO WIRE WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/RED WIRE YEL/VIO WIRE

AJAR SW SIG BATT POS VOLT BCM 6 FUSE BLK WIRE BODY CONTROL MODULE COMPUTER DATA LINES SYSTEM COURTESY LP SW SIG DC/DC TRANS FUSE DOME LAMP SWITCH DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW MOTOR GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES INSTRUMENT ILLUMINATION CIRCUIT INSTRUMENT PANEL COMPARTMENT LAMP INSTRUMENT PANEL COMPARTMENT LAMP SWITCH INTR LP CTRL INADVERTENT PWR CTRL INTR LP DEFEAT SW SIG LED AMBIENT LIGHTING CTRL 1 LOGIC NETWORK BUS 3 NETWORK BUS 4 OFF POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER REAR BODY FUSE BLOCK REAR COMPARTMENT COURTESY LAMP REAR COMPT LID LP CTRL RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE SUPPLY VOLT UNDERHOOD FUSE BLOCK VIO WIRE WHT/BRN WIRE WHT/YEL WIRE YEL WIRE

ALERT LED CTRL BATT POS VOLT BCM 6 FUSE BLK WIRE BLU WIRE BODY CONTROL MODULE COLLISION ALERT INDICATORS COMM ENABLE COMPUTER DATA LINES SYSTEM DC DC TRANS FUSE DIMMING CTRL DRIVER INFORMATION CONTROL DISPLAY FRONT VIEW CAMERA WINDSHIELD GAP UP/DOWN SWITCH GRN WIRE GROUND GRY WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE HI SPD GMLAN HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY 2 ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT INDICATOR DIMMING CONTROL INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL MULTI- FUNCTION SWITCH LANE DEPARTURE WARNING DISABLE LANE DEPARTURE WARNING DISABLE SWITCH LANE DEPARTURE WARNING IND LANE DEPARTURE WARNING IND CTRL LEFT STEERING WHEEL CONTROLS SWITCH LO SPD GMLAN LOGIC LOGIC INSTRUMENT CLUSTER POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER PRK ASSIST FUSE REAR BODY FUSE BLOCK RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE STEERING WHEEL AIR BAG COIL SW SIG UNDERHOOD FUSE BLOCK UP/DOWN SW SIG VAR/ FUNC FUSE VIO/GRN WIRE VOLT REF W/O HEADUP DISPLAY WHT WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE

ACTUATOR CTRL ACTUATOR LO REF ACTUATOR RECEIVE SIG ACTUATOR TRANSMIT SIG BLK WIRE BLU/WHT WIRE BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DOOR LOCK IND DRIVER INFORMATION CENTER DISPLAY GND RUN/CRANK IGN 1 VOLT GRY WIRE GRY/VIO WIRE GRY/WHT WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT CLUSTER LOGIC MOST SERIAL DATA (+) PASSENGER DOOR LOCK SWITCH REMOTE CONTROL DOOR LOCK RECEIVER SECURITY IND UNDERHOOD FUSE BLOCK VAR/FUNC FUSE VIO/BLK WIRE VIO/GRN WIRE VIO/YEL WIRE WHT/GRN WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/VIO WIRE

3/4 5 VOLT REF AJAR SW SIG 1 AJAR SW SIG 2 AJAR SW SIG 3 BLK WIRE BLK/GRN WIRE BLK/VIO WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DATA BUS 18 DRIVER INFORMATION CENTER DISPLAY GMLAN SERIAL GMLAN SERIAL DATA GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/WHT WIRE HANDS-FREE LIFTGATE SENSOR CONTROL MODULE HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY 2 ENERGIZED ILL INSTRUMENT CLUSTER INTERIOR LIFTGATE CONTROL SWITCH KEYLESS ENTRY CONTROL MODULE L/GATE FUSE LEFT LIFTGATE OBJECT SENSOR LIFTGATE CLOSE SWITCH LIFTGATE CONTROL MODULE LIFTGATE LATCH ASSEMBLY LIFTGATE MOTOR ASSEMBLY LIFTGATE OPEN SIG LIFTGATE UNLATCH SWITCH LIN SERIAL LIN SERIAL DATA BUS 18 LOGIC LOW REF LOWER HANDS-FREE LIFTGATE SENSOR MAX MTR CLOSE CTRL MTR OPEN CTRL MTR RELEASE CTRL 2 NCA WIRE OFF ON/OFF SW SIG OPEN/CLOSE SW SIG POSITION SENS SIG 1 POSITION SENS SIG 2 PWR L/GATE HF SNSR FUSE REAR BODY FUSE BLOCK REAR OPEN/ CLOSE SW RED/GRY WIRE RED/YEL WIRE RIGHT LIFTGATE OBJECT SENSOR SENS 2 SIG SENS SIG 1 SENS SIG 2 SHUT FACE SW LED CTRL SHUT FACE SW SIG SW OPEN SIG UNDERHOOD FUSE BLOCK UPPER HANDS-FREE LIFTGATE SENSOR VIO/GRY WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLU WIRE

BACKUP LP CTRL BLK WIRE BLK/WHT WIRE CAMERA LOW REF CAMERA SIG 2 GRN/WHT WIRE GROUND GRY/YEL WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED HUMAN MACHINE INTERFACE CONTROL MODULE IGN 1 VOLT ISRVM FUSE NCA WIRE ORG/ WIRE REAR VIEW CAMERA (ABOVE LICENSE PLATE) RED WIRE UNDERHOOD FUSE BLOCK VIO/GRY WIRE WHT WIRE WHT/BLU WIRE YEL WIRE

B+ VOLT BATT POS VOLT BCM 6 FUSE BLK WIRE BLK/GRY WIRE BLU WIRE BODY CONTROL MODULE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM DAT BUS 1 DC/DC TRANS FUSE DRIVER INFORMATION CENTER DISPLAY FRT WPR FUSE GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/WHT WIRE GRY WIRE HI SPD GMLAN SER DATA (+) 1 HOT AT ALL TIMES IND CTRL INSTRUMENT CLUSTER LOGIC MTR PARK SW SIG N/W SER N/W SER BUS 12 NCA WIRE POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER RAIN SENSOR MODULE REAR BODY FUSE BLOCK REAR WIPER SW SIG RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RLY COIL CTRL RLY CTRL SW HIGH SIG UNDERHOOD FUSE BLOCK VIO WIRE WASHER SW SIG WHT WIRE WHT/BLK WIRE WHT/VIO WIRE WINDSHIELD WIPER MOTOR WINDSHIELD WIPER RELAY WINDSHIELD WIPER SPEED CONTROL RELAY WIPER SW HIGH SIG WIPER SW LO SIG WIPER SW LOW REF YEL WIRE YEL/BLU WIRE YEL/BRN WIRE

BLK WIRE BLK/GRY WIRE BLU WIRE BLU/VIO WIRE BRN/BLU WIRE BRN/GRY WIRE DELAY SWITCH GRN/WHT WIRE GRY WIRE GRY/VIO WIRE HI LO HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK MIST OFF INT OSRVM FUSE REAR WINDOW WASHER PUMP REAR WINDOW WASHER PUMP RELAY REAR WIPER MOTOR REAR WIPER RELAY REAR WIPER/WASHER SWITCH RED/BRN WIRE RR/WPR FUSE UNDERHOOD FUSE BLOCK VIO WIRE WASH/PUMP FUSE WASHER SWITCH WHT/BLK WIRE WINDSHIELD WASHER FLUID LEVEL SWITCH WINDSHIELD WASHER PUMP WINDSHIELD WASHER PUMP RELAY WINDSHIELD WIPER SWITCH WINDSHIELD WIPER/WASHER SWITCH YEL WIRE YEL/BLU WIRE