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

ACCESSORY WAKE UP SERIAL DATA BATTERY FUSE BLOCK BATTERY POSITIVE VOLTAGE BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SENSOR BRAKE FLUID LEVEL SIG BRAKE MASTER CYLINDER) BRAKE PRESSURE MODULATOR BRAKE SYSTEM CONTROL MODULE BRN WIRE COMPUTER DATA LINES SYSTEM GRN/GRY WIRE GRN/VIO WIRE GROUND GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HIGH SPEED GMLAN SERIAL DATA (-) (1) HIGH SPEED GMLAN SERIAL DATA (-) (2) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED LEFT FRONT WHEEL SPEED SENSOR LEFT FRONT WHEEL SPEED SENSOR CONTROL LEFT FRONT WHEEL SPEED SENSOR SIG LEFT PARK BRAKE ACTUATOR LEFT PARK BRAKE MOTOR APPLY CONTROL LEFT PARK BRAKE MOTOR LOW REFERENCE LEFT REAR WHEEL SPEED SENSOR LEFT REAR WHEEL SPEED SENSOR CONTROL LEFT REAR WHEEL SPEED SENSOR SIG NCA WIRE PARK BRAKE APPLY SW SIG PARK BRAKE APPLY SW VOLTAGE REFERENCE PARK BRAKE RELEASE SW SIG PARK BRAKE RELEASE SW VOLTAGE REFERENCE PARK BRAKE SW SIG PARK BRAKE SW SPLY VOLT RED/GRY WIRE RED/YEL WIRE RIGHT FRONT WHEEL SPEED SENSOR RIGHT FRONT WHEEL SPEED SENSOR CONTROL RIGHT FRONT WHEEL SPEED SENSOR SIG RIGHT PARK BRAKE ACTUATOR RIGHT PARK BRAKE MOTOR APPLY CONTROL RIGHT PARK BRAKE MOTOR LOW REFERENCE RIGHT REAR WHEEL SPEED SENSOR RIGHT REAR WHEEL SPEED SENSOR CONTROL RIGHT REAR WHEEL SPEED SENSOR SIG RUN/CRANK IGNITION 1 VOLTAGE UNDERHOOD FUSE BLOCK VIO WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE YEL WIRE YEL/RED WIRE

BLK WIRE BLU WIRE DRIVER SEAT LUMBAR SUPPORT MOTOR DRIVER SEAT LUMBAR SUPPORT SWITCH HOT AT ALL TIMES RED/VIO WIRE RWD UNDERHOOD FUSE BLOCK VIO WIRE

BLK/WHT WIRE BLK/YEL WIRE DISPLAY DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR- VIEW MIRROR GRN/WHT WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED INSIDE REAR VIEW MIRROR LOGIC MIRROR DIMMING NCA WIRE ON/OFF SWITCH UNDERHOOD FUSE BLOCK VIO/GRY WIRE YEL/WHT WIRE

BATT POS VOLT BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BODY CTRL MODULE LIN BUS 2 BRN/BLK WIRE BRN/BLU WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DRIVER BACK SEAT HEATING ELEMENT DRIVER CUSHION SEAT HEATING ELEMENT DRIVER HEATED/BACK SWITCH DRV HEATED SEAT THERMISTOR LO REF DRV SEAT BACK HEATING TEMP SENS SIG DRV SEAT HEATING ELEMENT CTRL DRV SEAT HEATING ELEMENT LO REF DRV SEAT HEATING TEMP SENS SIG GRN WIRE GRN/BLU WIRE GRY/BLK WIRE HIGH HEAT IND HOT AT ALL TIMES HVAC CONTROL MODULE (CENTER OF DASH) LOGIC LOW HEAT IND LOW HEAT IND MED HEAT IND LOW SPEED GMLAN SERIAL DATA MED HEAT IND NCA WIRE PASS HEATED BACK THERMISTOR LO REF PASS HEATED SEAT THERMISTOR LO REF PASS SEAT BACK HEATING TEMP SENS SIG PASS SEAT HEATING ELEMENT CTRL PASS SEAT HEATING ELEMENT LO REF PASS SEAT HEATING TEMP SENS SIG PASSENGER BACK SEAT HEATING ELEMENT PASSENGER CUSHION SEAT HEATING ELEMENT PASSENGER HEATED/BACK SWITCH RED/BLU WIRE RED/GRN WIRE SEAT HEATING CONTROL MODULE (UNDER FRONT OF PASSENGER SEAT) UNDERHOOD FUSE BLOCK WHT/BLU WIRE WHT/GRY WIRE YEL/GRY WIRE

BATTERY FUSE BLOCK BLK WIRE BODY CONTROL MODULE BRN WIRE BRN/WHT WIRE GRN/WHT WIRE GRY WIRE HORN HORN RELAY HORN RLY CTRL HORN SW SIG HORN SWITCH HOT AT ALL TIMES RED/WHT WIRE STEERING WHEEL AIR BAG COIL UNDERHOOD FUSE BLOCK WHT WIRE

ACC IGN VOLT ANT 1 SIG HI ANT 1 SIG LO ANT 2 SIG HI ANT 2 SIG LO ANT 3 SIG HI ANT 3 SIG LO BATTERY POSITIVE VOLT BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BRN/BLK WIRE BRN/GRN WIRE CENTER CONSOLE REAR KEYLESS ENTRY ANTENNA COMPUTER DATA LINES SYSTEM DOOR AJAR IND DRIVER INFORMATION CENTER DISPLAY DRV DR HANDLE SW SIG DRV DR PASSIVE ENTRY ANT SIG HI DRV DR PASSIVE ENTRY ANT SIG LO GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE HOT AT ALL TIMES IGN MODE SW CHALLENGE ACTIVE SIG IGNITION MODE SWITCH INFO DISPLAY SIG INSTRUMENT CLUSTER INSTRUMENT PANEL COMPARTMENT KEYLESS ANTENNA ENTRY KEYLESS ENTRY ANTENNA KEYLESS ENTRY CONTROL MODULE (BELOW CENTER OF DASH) LO SPD GMLAN SERIAL DATA LOGIC LVDS PASS DR HANDLE SW SIG PASS DR PASSIVE ENTRY ANT SIG HI PASS DR PASSIVE ENTRY ANT SIG LO PASSIVE START SW 2 LO REF PASSIVE START SW SIG 2 POWER DISTRIBUTION SYSTEM REAR FASCIA KEYLESS ENTRY ANTENNA RED/BRN WIRE RETAINED ACC PWR RLY 2 COIL CTRL RR CLOSURE PASSIVE ENTRY ANT SIG HI RR CLOSURE PASSIVE ENTRY ANT SIG LO RUN/CRANK IGN 1 VOLT SIG GND UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/GRN WIRE YEL/BLU WIRE

ACCESSORY VOLT AMBIENT LIGHT/SUNLOAD SENSOR BATT POS VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DR LK ACTR LK CTRL 2 DR LK ACTR LK CTRL LIFTGATE AJAR SW SIG 1 DR LK ACTR UNLK CTRL DRIVER DOOR LOCK SWITCH DRV DR LK SW UNLK SIG DVR DR LK SW LK SIG GRY WIRE GRY/WHT WIRE HOOD STATUS B SIG HOT AT ALL TIMES IGN MODE SW CHALLENGE ACTIVE SIG LIFTGATE LATCH PASS DR LK SW LK CTRL PASS DR LK SW UNLK CTRL PASSENGER DOOR LOCK SWITCH RED/BRN WIRE REMOTE CONTROL DOOR LOCK RECEIVER REMOTE CTRL DR LK RECEIVER LOW REF REMOTE CTRL DR LK RECEIVER RECEIVE SIG REMOTE CTRL DR LK RECEIVER TRANSMIT SIG REMOTE CTRL DR LOCK RECEIVER CTRL RUN/CRANK IGN 1 VOLT SECURITY IND CTRL SERIAL DATA (-) (1) UNDERHOOD FUSE BLOCK VIO/BLK WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/VIO WIRE

BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/WHT WIRE BRN/BLK WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DOWN DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR- VIEW MIRROR DRIVER SIDE OBJECT DETECTION INDICATOR DRIVER WINDOW SWITCH ELECTROCHROMIC MIRROR CIRCUIT EXTERIOR LIGHTS, DEFOGGER, NAVIGATION SYSTEMS EXTERIOR LIGHTS, NAVIGATION DEFOGGER, SYSTEMS GRN/BLK WIRE GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT LEFT TURN SIGNAL REPEATER LAMP LOGIC MIRROR DIMMING NAVIGATION SYSTEM OFF PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR GLASS PASSENGER SIDE OBJECT DETECTION INDICATOR RED/VIO WIRE RIGHT RIGHT TURN SIGNAL REPEATER LAMP UNDERHOOD FUSE BLOCK VIO/BLU WIRE WHT WIRE YEL/BRN WIRE YEL/VIO WIRE YEL/WHT WIRE

2-BK ACTV NOISE CANCELLATION AM/FM BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BLUETOOTH BLUETOOTH WIRELESS COMMUNICATION ANTENNA BRN WIRE BRN/WHT WIRE CELL CELL/GPS CHECK ENGINE COAX COAXIAL ANTENNA COAXIAL SIG COMPUTER DATA LINES SYSTEM CRANKSHAFT POSITION DRIVER INFORMATION CENTER DISPLAY ETHERNET BUS 4 (-) GRN/BLK WIRE GRN/BRN WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/WHT WIRE GRY/YEL WIRE HI SPEED GMLAN HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY 1 ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED IND CTRL INFOTAINMENT DISPLAY SIG INSTRUMENT PANEL FUSE BLOCK LOGIC LVDS MICROPHONE 1 FEEDBACK SIG MICROPHONE 1 SIG MICROPHONE 2 FEEDBACK SIG MICROPHONE 2 SIG MICROPHONE 3 FEEDBACK SIG MICROPHONE 3 SIG RADIO REAR VIEW CAMERA REAR VIEW CAMERA LVDS RED/BLU WIRE RED/WHT WIRE RF SIG SENS REPLICATED SIG SERIAL DATA (-) (1) TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE UNDERHOOD FUSE BLOCK USB RECEPTACLE VIO/BLU WIRE VIO/GRN WIRE WHT WIRE WIFI WLAN SIG XM SIG YEL WIRE

ACC WAKE-UP SERIAL DATA BATT POS VOLT BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRN/GRN WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM DELAY SWITCH GRN/BLK WIRE GRY WIRE GRY/VIO WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE LIN BUS 1 INT LOW OFF HIGH INT OFF LOW MIST HIGH LOW WASHER FLUID IND CTRL MIST RADIO REAR WINDSHIELD WASHER PUMP RELAY RED/BRN WIRE SERIAL DATA COMMUNICATION ENABLE SIG GND UNDERHOOD FUSE BLOCK VIO WIRE VIO/YEL WIRE WASHER SWITCH WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/VIO WIRE WINDSHIELD WASHER FLUID LEVEL SENSOR WINDSHIELD WASHER PUMP RELAY WINDSHIELD WASHER RLY CTRL WINDSHIELD WASHER SW SIG WINDSHIELD WIPER MOTOR WINDSHIELD WIPER MOTOR PARK SW SIG WINDSHIELD WIPER MOTOR RLY COIL CTRL WINDSHIELD WIPER RELAY WINDSHIELD WIPER SPEED CONTROL RELAY WINDSHIELD WIPER SW HIGH SIG WINDSHIELD WIPER SW LOW REF WINDSHIELD WIPER SW LOW SIG WINDSHIELD WIPER/WASHER SWITCH WIPER SWITCH YEL/BLU WIRE YEL/BRN WIRE