Buick Envision II (2020-2024) engine wiring harness junction block 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 CLUTCH A/C COMPRESSOR (LEFT SIDE OF ENGINE) A/C COMPRESSOR SOLENOID VALVE A/C EVAPORATOR AIR TEMPERATURE SENSOR AIR CONDITIONING COMPRESSOR RELAY BATTERY DISTRIBUTION ENGINE COMPARTMENT FUSE BLOCK BLK WIRE BLK/YEL WIRE BLOWER MOTOR (UNDER RIGHT SIDE OF DASH) BLU/BRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/GRN WIRE ENGINE CONTROLS IGNITION RELAY ENGINE WIRING HARNESS JUNCTION BLOCK GRN WIRE GRN/BLU WIRE GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES LEFT TEMPERATURE VALVE ACTUATOR LOGIC NCA WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE VIO/BLU WIRE VIO/GRY WIRE WHT/GRY WIRE YEL/BLK 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

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

AUTOSAR CAN BUS (+) 1 SER DATA BATTERY POSITIVE VOLTAGE BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE WIRING HARNESS JUNCTION BLOCK GRN/BLK WIRE GRN/GRY WIRE GRN/VIO WIRE GRY/BLU WIRE GRY/WHT WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LIN BUS 1 INSTRUMENT PANEL CLUSTER CONTROL MODULE LEFT FRONT SUSPENSION 4 CORNER LEVELING SYSTEM POSITION SENSOR LEFT FRONT SUSPENSION STRUT ACTUATOR LEFT REAR SHOCK ABSORBER ACTUATOR LEFT REAR SHOCK ABSORBER ACTUATOR CONTROL LF SUSPENSION POS SENS SIG LF SHOCK ABSORBER ACC CTRL LF SUSPENSION POS LOW REF LF SUSPENSION POS SENS VOLT REF LOGIC LR SHOCK ABSORBER ACC CTRL RED/VIO WIRE RF SHOCK ABSORBER ACC CTRL RF SUSPENSION POS SENS LOW REF RF SUSPENSION POS SENS SIG RF SUSPENSION POS SENS VOLT REF RIGHT FRONT SUSPENSION 4 CORNER LEVELING SYSTEM POSITION SENSOR RIGHT FRONT SUSPENSION STRUT ACTUATOR RIGHT REAR SHOCK ABSORBER ACTUATOR RR SHOCK ABSORBER ACC CTRL SIG GND SUSPENSION CONTROL MODULE WHT WIRE YEL/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

A/C CLUTCH A/C COMPRESSOR (LEFT SIDE OF ENGINE) A/C COMPRESSOR SOLENOID VALVE A/C EVAPORATOR AIR TEMPERATURE SENSOR AIR CONDITIONING COMPRESSOR RELAY BATTERY DISTRIBUTION ENGINE COMPARTMENT FUSE BLOCK BLK WIRE BLK/YEL WIRE BLOWER MOTOR (UNDER RIGHT SIDE OF DASH) BLU/BRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/GRN WIRE ENGINE CONTROLS IGNITION RELAY ENGINE WIRING HARNESS JUNCTION BLOCK GRN WIRE GRN/BLU WIRE GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES LEFT TEMPERATURE VALVE ACTUATOR LOGIC NCA WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE VIO/BLU WIRE VIO/GRY WIRE WHT/GRY WIRE YEL/BLK WIRE

AUTOSAR CAN BUS (+) 5 SERIAL DATA BATT POS VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BODY CTRL MODULE LIN BUS 5 AUTOSAR CAN BUS (+) 2 SERIAL DATA GND BRN/BLK WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE WIRING HARNESS JUNCTION BLOCK GRN/BLK WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL LOW FREQUENCY ANTENNA INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT FRONT EXTERIOR DOOR HANDLE SWITCH UNLOCK SIG LF DOOR LOCK ACTUATOR CTRL LF DOOR OPEN SWITCH SIG LIN BUS 16 LOCK ACTUATOR UNLOCK CTRL 1 LOGIC PASSIVE ENTRY HI SIG PASSIVE ENTRY LOW SIG REAR BUMPER LOW FREQUENCY ANTENNA REAR CONSOLE LOW FREQUENCY ANTENNA RED/VIO WIRE RED/YEL WIRE REMOTE FUNCTION ACTUATOR MODULE RF DOOR LOCK ACTUATOR CTRL SECURITY IND SIG GND VIO WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/GRY WIRE YEL/GRN WIRE

AJAR SW SIG B+ VOLT BLK WIRE BLU/GRY WIRE BLU/VIO WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER COMPUTER DATA LINES SYSTEM DATA LINES SYSTEM DOOR LOCKS DOOR LOCKS SYSTEM DOWN CTRL DOWN SIG DOWN SWITCH DR AJAR SW SIG DRIVER FRONT SIDE DOOR WINDOW CONTROL SWITCH DRIVER FRONT SIDE DOOR WINDOW REGULATOR MOTOR ENGINE WIRING HARNESS JUNCTION BLOCK EXPRESS SIG EXPRESS SWITCH GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES ILL LEFT FRONT DOWN SWITCH LEFT FRONT EXPRESS SWITCH LEFT FRONT UP SWITCH LEFT REAR DOWN SWITCH LEFT REAR EXPRESS SWITCH LEFT REAR SIDE DOOR WINDOW REGULATOR MOTOR LEFT REAR SIDE DOOR WINDOW SWITCH LEFT REAR UP SWITCH LOCK OUT SWITCH LOCKOUT IND LOGIC LR DOWN CTRL LR UP CTRL NETWORK NETWORK BUS 3 NETWORK BUS 4 PASSENGER FRONT SIDE DOOR WINDOW CONTROL SWITCH PASSENGER FRONT SIDE DOOR WINDOW REGULATOR MOTOR RED WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RIGHT FRONT DOWN SWITCH RIGHT FRONT EXPRESS SWITCH RIGHT FRONT UP SWITCH RIGHT REAR DOWN SWITCH RIGHT REAR EXPRESS SWITCH RIGHT REAR SIDE DOOR WINDOW REGULATOR MOTOR RIGHT REAR SIDE DOOR WINDOW SWITCH RIGHT REAR UP SWITCH RR DOWN CTRL RR UP CTRL SERIAL STATUS SIG SYSTEM UNLOCK SIG UP CTRL UP SIG UP SWITCH VIO/GRY WIRE WHT WIRE WHT/BRN WIRE YEL/BLU WIRE