Buick Envision II (2020-2024) engine wiring harness junction block Wiring diagrams

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

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

1 VOLT AUTOSAR CAN BUS BLK WIRE BLK/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM COOLING FAN MOTOR ENGINE COOLANT PUMP ENGINE COOLANT TEMPERATURE GAUGE ENGINE WIRING HARNESS JUNCTION BLOCK GRN/BRN WIRE GRN/VIO WIRE GROUND HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOGIC NCA WIRE RADIATOR COOLANT TEMPERATURE SENSOR RED/GRY WIRE RED/YEL WIRE RIGHT SIDE OF RADIATOR) RUN/CRANK IGN VIO/BLK WIRE VIO/WHT WIRE YEL/BLK WIRE

BLK WIRE BLU/VIO WIRE BLU/YEL WIRE DOWN DRIVER FRONT SEAT ADJUSTER ACTUATOR DRIVER FRONT SEAT ADJUSTER SWITCH DRIVER FRONT SEAT RECLINER ACTUATOR DRIVER FRONT SEAT TILT ADJUSTER ACTUATOR DRIVER FRONT SEAT VERTICAL ADJUSTER ACTUATOR ENGINE WIRING HARNESS JUNCTION BLOCK GRN/BRN WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/GRN WIRE HOT AT ALL TIMES RECLINE FWD RECLINE RWD RED/GRN WIRE RWD YEL WIRE YEL/BLU WIRE

BLK WIRE BLK/BRN WIRE DOWN DRIVER FRONT SEAT BACK LUMBAR PUMP DRIVER FRONT SEAT BLADDER CONTROL MODULE DRIVER FRONT SEAT LUMBAR SWITCH ENGINE WIRING HARNESS JUNCTION BLOCK HOT AT ALL TIMES NCA WIRE RED WIRE RED/WHT WIRE RWD WHT WIRE WHT/BLU WIRE YEL/BRN WIRE

BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DRIVER CUSHION, BACK SWITCH DRIVER FRONT SEAT BACK HEATER DRIVER FRONT SEAT CUSHION HEATER ENGINE WIRING HARNESS JUNCTION BLOCK FRONT HEATER, AIR CONDITIONING USER INTERFACE CONTROL FRONT SEAT HEATER VENT CONTROL MODULE GRN WIRE GRN/VIO WIRE GRY/BLK WIRE HIGH HEAT IND HOT AT ALL TIMES LOCAL INTERCONNECT NETWORK SERIAL DATA BUS 9 LOGIC LOW HEAT IND MEDIUM HEAT IND PASSENGER CUSHION/ BACK SWITCH PASSENGER FRONT SEAT BACK HEATER PASSENGER FRONT SEAT CUSHION HEATER RED/BLU WIRE RED/WHT WIRE VIO/WHT WIRE WHT/BLU WIRE WHT/GRY WIRE YEL/GRY WIRE

AUTO AUTOSAR CAN BUS BATT POS VOLT BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE COMPUTER DATA COMPUTER DATA LINES SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK FLOOR CONSOLE ACCESSORY FUNCTION SWITCH FLOOR CONSOLE FRONT ACCESSORY POWER RECEPTACLE FLOOR CONSOLE REAR DUAL CHARGE ONLY RECEPTACLE FRONT HEATER, AIR CONDITIONING USER INTERFACE CONTROL GEAR SHIFT CONTROL MODULE GRN/GRY WIRE GROUND HAZARD WARNING SWITCH HEAD HEAD-UP DISPLAY SWITCH HEADLAMP SWITCH HEADLAMP SWITCH PARK LAMP SIGNAL HOT AT ALL TIMES INSTRUMENT PANEL DIMMER SWITCH INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT REAR SEAT HEATER SWITCH LINES SYSTEM LOGIC MULTI-FUNCTION POWER SUPPLY CONVERTER MULTIMEDIA RECEPTACLE OFF ON/OFF VEHICLE SWITCH PARK POWER DISTRIBUTION SYSTEM RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE RIDE CONTROL SWITCH RIGHT REAR SEAT HEATER SWITCH WHT WIRE YEL WIRE YEL/GRY WIRE

BLK WIRE BLU/BRN WIRE BLU/WHT WIRE DOWN ENGINE WIRING HARNESS JUNCTION BLOCK GRN WIRE GRN/BLU WIRE GRN/VIO WIRE GRN/WHT WIRE HOT AT ALL TIMES PASSENGER FRONT SEAT ADJUSTER ACTUATOR PASSENGER FRONT SEAT ADJUSTER SWITCH PASSENGER FRONT SEAT RECLINER ACTUATOR PASSENGER FRONT SEAT TILT ADJUSTER ACTUATOR PASSENGER FRONT SEAT VERTICAL ADJUSTER ACTUATOR RECLINE FWD RECLINE RWD RED/BLU WIRE RED/VIO WIRE RWD YEL/BLU WIRE YEL/WHT WIRE

BLK WIRE BLK/BLU WIRE DOWN ENGINE WIRING HARNESS JUNCTION BLOCK GRY/WHT WIRE HOT AT ALL TIMES NCA WIRE PASSENGER FRONT SEAT BACK LUMBAR PUMP PASSENGER FRONT SEAT BLADDER CONTROL MODULE PASSENGER FRONT SEAT LUMBAR SWITCH RED WIRE RED/YEL WIRE RWD YEL WIRE YEL/GRN WIRE

BATT POS VOLT BLK WIRE BLK/GRN WIRE BLK/VIO WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN BUS (+) 4 CLOSURE SW SIG COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE WIRING HARNESS JUNCTION BLOCK GRN WIRE GRN/BLK WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/VIO WIRE GRY/WHT WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE LATCH MTR CINCH CTRL LATCH MTR RELEASE CTRL LATCH NEUTRAL STATUS LATCH PRIMARY STATUS LATCH UNLATCH STATUS LEFT LIFTGATE SIDE SENSOR LIFTGATE CLOSE SWITCH LIFTGATE LATCH LIN BUS 1 LOGIC LOW REF MTR CLOSE CTRL MTR OPEN CTRL NCA WIRE OBJECT SENS LOW REF OBJECT SENS SIGNAL ON/OFF SW SIG POSITION SENS SIG 1 POSITION SENS SIG 2 POSITION SENS VOLT REF REAR GATE MODULE (LEFT SIDE OF LUGGAGE COMPT) RED/YEL WIRE RIGHT LIFTGATE SIDE SENSOR SW LED CTRL WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL/BLK WIRE