Buick Envista I (2022-2024) underhood fuse block Wiring diagrams

ACTIVE GRILLE AIR SHUTTER 1 ACTUATOR BLK WIRE BLU/BRN WIRE COMPUTER DATA LINES SYSTEM DISPLAY SIGNAL (-) DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE ENGINE CONTROL MODULE LIN BUS 1 GRN/VIO WIRE GRY/GRN WIRE HIGH SPEED GMLAN SERIAL DATA (+) 7 HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED INFOTAINMENT INSTRUMENT CLUSTER LOGIC LOW SPEED GMLAN LVDS LVDS BK RADIO RADIO CONTROLS SERIAL DATA 2 UNDERHOOD FUSE BLOCK VIO/BLU WIRE WHT WIRE

ACCESSORY WAKEUP SERIAL DATA ANTI-THEFT SYSTEM BACKUP LAMP CTRL BATTERY BATTERY POSITIVE VOLT BATTERY POSITIVE VOLTAGE BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BLU/VIO WIRE BLU/WHT WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE CHARGE INDICATOR CTRL COMPUTER DATA LINES SYSTEM COURTESY LAMP SW SIG CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG DD LOCK SW UNLOCK SIG DOOR LOCKS, ANTI-THEFT SYSTEMS DR DOOR LOCK SW LOCK SIG DR LOCK ACTUATOR LOCK CTRL DR LOCK ACTUATOR LOCK CTRL 2 DR LOCK ACTUATOR UNLOCK CTRL ENDGATE LATCH RELAY COIL CTRL EXTERIOR LIGHTS, TRUNK, TAILGATE, FUEL DOORS SYSTEMS FAULT INDICATOR CTRL GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE HDLP HIGH BEAM CTRL HEADLIGHTS SYSTEM HI SPD GMLAN SERIAL DATA (-) (1) HI SPEED GMLAN SERIAL DATA (-) 1 HOOD STATUS B SIG HORN RLY CTRL HORNS SYSTEM HOT AT ALL TIMES IGN MODE SW CHALLENGE ACTIVE SIG INADVERTENT LOAD CTRL INSTRUMENT PANEL FUSE BLOCK INTERIOR LAMP CTRL LED BACK LIGHT DIMMING CTRL 1 LEFT FRONT DRL CTRL LEFT FRONT TURN SIG LAMP CTRL LEFT HEADLAMP LOW BEAM CTRL LEFT PARK LAMP CTRL LIFTGATE AJAR SW SIG 1 LIN BUS 1 LIN BUS 2 LIN BUS 3 LOGISTICS MODE RELAY CLOSE CTRL LOGISTICS MODE RELAY OPEN CTRL LR PARK LAMP CTRL LR TURN SIG LAMP CTRL 2 PARK LOCK SOLENOID CTRL PASS DR LOCK SW UNLOCK CTRL POSITIVE VOLT POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER REAR CLOSURE HANDLE SW OPEN SIG REAR COMPARTMENT COURTESY LAMP CTRL REAR LICENSE PLATE LAMP CTRL RED WIRE RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RETAINED ACCESSORY POWER CTRL RF DRL CTRL RF TURN SIG LAMP CTRL RF TURN SIG LAMP FEEDBACK SIG RIGHT HEADLAMP LOW BEAM CTRL RIGHT PARK LAMP CTRL RR PARK LAMP CTRL RR TURN SIG LAMP CTRL 2 RUN RELAY COIL CTRL RUN/CRANK RELAY COIL CTRL SERIAL DATA COMM ENABLE SHIFT INTERLOCK, TRANSMISSIONS SYSTEMS SIG GND SPLY VOLT 2 STOP LAMP RELAY COIL CTRL TRANSMISSIONS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLK WIRE VIO/BLU WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/VIO WIRE WHT/YEL WIRE WINDSHIELD WASHER RELAY CTRL WINDSHIELD WIPER MTR PARK SW SIG WINDSHIELD WIPER MTR RLY COIL CTRL WINDSHIELD WIPER SW HIGH SIG WIPER/WASHER SYSTEM YEL WIRE YEL/BLU WIRE YEL/VIO WIRE

A/C REFRIGERANT PRESS SENS SIG A/C REFRIGERANT PRESSURE SENSOR AMBIENT AIR TEMP SENS SIG AUXILIARY COOLANT PUMP BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BRN/RED WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COOLING FAN HI SPD RLY CTRL COOLING FAN LOW SPD RLY CTRL COOLING FAN MOTOR (BEHIND RADIATOR) ENGINE CONTROL MODULE (RIGHT SIDE OF ENGINE COMPT) ENGINE COOLANT TEMP SENS SIG ENGINE COOLANT TEMPERATURE SENSOR ENGINE CTRL MODULE LIN BUS 1 ENGINE CTRL SENS 5 VOLT REF 1 ENGINE CTRL SENS LOW REF 2 ENGINE CTRL VEHICLE SENS LOW REF SIG GND FAN 3 CTRL GRN WIRE GRN/VIO WIRE GRY WIRE HI SPEED GMLAN SERIAL DATA (-) 1 HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY 1 ENERGIZED HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED INSTRUMENT PANEL FUSE BLOCK POWERTRAIN MAIN RLY FUSED SUPPLY VOLT 1 RED/BRN WIRE RED/VIO WIRE UNDERHOOD FUSE BLOCK VIO/BLU WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

AMBIENT AIR TEMPERATURE SENSOR BATTERY BATTERY FUSE BLOCK BLK/BLU WIRE BLK/WHT WIRE BLU/GRY WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COOLING FAN HIGH SPEED RELAY COOLING FAN LOW SPEED RELAY COOLING FAN MEDIUM SPEED RELAY DISPLAY SIG + DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROLS IGNITION RELAY ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE IND ETHERNET BUS 4 (-) GRN/VIO WIRE GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES INFOTAINMENT INSTRUMENT CLUSTER LOGIC LVDS RADIO RED/BRN WIRE RED/WHT WIRE SIG GND UNDERHOOD FUSE BLOCK VOLT WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

BATTERY FUSE BLOCK BLK WIRE BRN/VIO WIRE BRN/YEL WIRE CENTER HIGH MOUNTED STOP LAMP RADIO AM ANTENNA SIGNAL FILTER MODULE DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR- VIEW MIRROR GRN/YEL WIRE HOT AT ALL TIMES HVAC CONTROL MODULE HVAC CONTROLS HVAC CTRL MODULE LIN BUS 1 LOGIC PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR GLASS REAR DEFOG RLY CTRL REAR DEFOGGER GRID REAR DEFOGGER IND REAR DEFOGGER RELAY REAR DEFOGGER SWITCH RED/WHT WIRE UNDERHOOD FUSE BLOCK

AUTOMATIC TRANSMISSION ACCUMULATOR SOLENOID VALVE BLK/GRY WIRE BLK/YEL WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE BUS ENABLE CAM POS ACTR VLV 1 CAM POS SENS 1 CHARGE INDICATOR CTRL CRANK POS SENS SIG CRANKCASE PRESSURE SENSOR ENGINE CONTROL MODULE (RIGHT SIDE OF ENGINE COMPT) ENGINE CONTROLS IGNITION RELAY EVAPORATIVE EMISSION VENT SOLENOID VALVE GRN WIRE GRY/BLU WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGNITION CTRL 2 INTAKE CAM POS SENS 1 KNOCK SENSOR POS ACTR SOL VLV 1 RED/BLU WIRE RED/WHT WIRE REPLICATED SIG SENS 1 VOLT REF SOLENOID VALVE CTRL SOUND SYSTEMS STARTING/ CHARGING SYSTEM UNDERHOOD FUSE BLOCK VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/GRY WIRE WHT WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/GRY WIRE YEL/VIO WIRE