Buick Envision I (2016-2018) low ref Wiring diagrams

ACC WAKEUP SER DATA AUTOMATIC TRANSMISSION ACCUMULATOR SOLENOID VALVE AUTOMATIC TRANSMISSION ASSEMBLY BLK WIRE BLK/WHT WIRE BLU WIRE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY ENGINE CONTROL MODULE GRN WIRE GRY WIRE HI SPD GMLAN SER DATA (+) 1 IGN INSTRUMENT PANEL FUSE BLOCK ISS HIGH ISS LOW LOW REF OSS HIGH OSS LOW PC 1 SOL PC 2 SOL PC 3 SOL PC 4 SOL PC 5 SOL POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER PRESSURE CONTROL SOLENOID VALVE 1 PRESSURE CONTROL SOLENOID VALVE 2 PRESSURE CONTROL SOLENOID VALVE 3 PRESSURE CONTROL SOLENOID VALVE 4 PRESSURE CONTROL SOLENOID VALVE 5 RED WIRE RED/GRN WIRE RED/GRY WIRE RUN/CRANK IGN 1 VOLT SHIFT SOLENOID VALVE 1 SIG GND SS 1 SURGE ACCUMULATOR SOL LOW SIDE CTRL TCC SOL TCM FUSE TFP 1 TFP 3 TFP 4 TFP 5 TFT TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID VALVE TRANS PARK/ NEUTRAL SIG 1 TRANS PARK/NEUTRAL SIG 1 TRANSMISSION CONTROL MODULE TRANSMISSION FLUID PRESSURE SWITCH TRANSMISSION FLUID TEMPERATURE SENSOR TRANSMISSION INPUT SHAFT SPEED SENSOR TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION OUTPUT SHAFT SPEED SENSOR TRNS RANGE SW SIG A TRNS RANGE SW SIG B TRNS RANGE SW SIG C TRNS RANGE SW SIG P VIO/BLU WIRE VIO/GRN WIRE VIO/YEL WIRE WHT WIRE WHT/GRY WIRE YEL WIRE

ACC IND ACCESSORY IGN VOLT ACTIVE SIG ANTI-THEFT SYSTEM BACKUP LP CTRL BLK WIRE BLK/GRY WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/WHT WIRE BODY CONTROL MODULE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COIL CTRL COMMUNICATION ENABLE COMPUTER DATA LINES SYSTEM COURTESY LP SW SIG CRUISE CONTROL SYSTEM CRUISE CTRL GAP UP DN SW SIG CRUISE CTRL SW SIG DIMMING CTRL DOOR LOCKS SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS DR LCK CTRL DR LCK CTRL CTRL (2) GND EXTERIOR LIGHTS, NAVIGATION SYSTEMS GMLAN SERIAL DATA GMLAN SERIAL DATA - 1 GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/YEL WIRE HAZARD SW LH TURN SIG HAZARD SW RH TURN SIG HDLP SW FLASH TO PASS SIG HEADLIGHTS SYSTEM HEADLIGHTS, CRUISE CONTROL, INTERIOR LIGHTS SYSTEMS HI IDLE SW CTRL HOOD STATUS B SIG HORN SW SIG HORNS SYSTEM IGNITION MODE SWITCH IMMOBILIZER CTRL IMMOBILIZER LOW REF INADVERTENT PWR CTRL INTR LP CTRL INTR LP DEFEAT SW SIG KEY CAPTURE/COLUMN POS SIG LCK MTR STATUS SIG LR LCK MTR STATUS SIG RR LCK RLY CTRL LED AMBIENT LIGHTING CTRL 1 LH HDLP LO BEAM CTRL LH PARK LP CTRL LICENSE LP CTRL LIGHTING CTRL SWITCH REF LOW REF LR STOP LP CTRL LR TURN SIG LP CTRL MTR PARK SW SIG NETWORK BUS 1 NETWORK BUS 2 NETWORK BUS 3 PARK LCK SOL CTRL PASS DOOR LOCK/ PASSIVE START SWITCH POWER DISTRIBUTION SYSTEM REAR COMPT LID LP CTRL RF TURN SIG LP CTRL RH HDLP LO BEAM CTRL RH PARK LP CTRL RLY CLOSE CTRL RLY COIL CTRL RLY CTRL RLY OPEN CTRL RR TURN SIG CTRL RR TURN SIG LP CTRL RUN/CRANK IGN 1 VOLT SERIAL DATA BUS 11 SHIFT INTERLOCK, TRANSMISSIONS SYSTEMS START IND SW UNLOCK CTRL TRANSMISSIONS SYSTEM UNLCK CTRL VIO/BLK WIRE VIO/BLU WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WAKE UP SERIAL DATA WASHER SW SIG WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/VIO WIRE WHT/YEL WIRE WIPER SW HI SIG WIPER SW LOW SIG WIPER/WASHER SYSTEM YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/VIO WIRE

2 COIL CONTROL ACCESSORY IGN VOLT ACTIVE SIG ANTENNA SIG 1 HI ANTENNA SIG 1 LO ANTENNA SIG 2 HI ANTENNA SIG 2 LO ANTENNA SIG 3 HI ANTENNA SIG 3 LO ANTENNA SIG HI ANTENNA SIG LO BATT POS VOLT BLK WIRE BLK/GRY WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/YEL WIRE CENTER CONSOLE FRONT KEYLESS ENTRY ANTENNA CENTER CONSOLE REAR KEYLESS ENTRY ANTENNA COMPUTER DATA LINES SYSTEM DRIVER DOOR HANDLE KEYLESS ENTRY ANTENNA DRIVER EXTERIOR DOOR HANDLE ASSEMBLY DRIVER EXTERIOR DOOR HANDLE SWITCH DRV DR HANDLE SW SIG RR CLOSURE HANDLE SW OPEN SIG GMLAN SERIAL DATA GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/GRN WIRE HOT AT ALL TIMES IGNITION MODE SWITCH INSTRUMENT PANEL FUSE BLOCK KEYLESS ENTRY CONTROL MODULE LIFTGATE CONTROL MODULE LOW REF LR DR HANDLE SW SIG NCA WIRE PASS DR HANDLE SW SIG PASSENGER DOOR HANDLE KEYLESS ENTRY ANTENNA PASSENGER EXTERIOR DOOR HANDLE ASSEMBLY PASSENGER EXTERIOR DOOR HANDLE SWITCH PASSIVE START SW SIG 2 PEPS FUSE POWER DISTRIBUTION SYSTEM REAR COMPARTMENT KEYLESS ENTRY ANTENNA REAR FASCIA KEYLESS ENTRY ANTENNA RED/WHT WIRE RR DR HANDLE SW SIG RUN/CRANK IGN 1 VOLT SIG SW OPEN VIO WIRE VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLU WIRE YEL/GRY WIRE

AIR CONDITIONING SYSTEM AMBIENT LIGHT SENS SIG AMBIENT LIGHT/ SUNLOAD SENSOR BATTERY FUSE BLOCK BATTERY POSITIVE VOLTAGE BLK WIRE BLU WIRE BODY CONTROL MODULE BRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRL LH FUSE DRL/LT FUSE FOG LAMP RLY CTRL FOG/LMP/ FRT FUSE FRONT FOG LAMP RELAY FUSE 5 GMLAN SERIAL DATA - 1 GRN WIRE GRN/BRN WIRE GRN/GRY WIRE HDLP HI BEAM RLY CTRL HDLP LO BEAM RLY CTRL HDLP OFF SIG CTRL HDLP SW FLASH TO PASS SIG HDLP SW ON SIG HDLP SW PARK LAMP SIG HEADLAMP HIGH BEAM RELAY HEADLAMP RELAY HI BEAM LT FUSE HI BEAM RT FUSE HI IDLE SW CTRL HOT AT ALL TIMES HVAC CONTROL MODULE LEFT HEADLAMP ASSEMBLY LEFT HEADLAMP BALLAST LEFT HIGH BEAM SOLENOID ACTUATOR LEFT LOW BEAM HEADLAMP LIGHTING CTRL SW REF LIGHTING CTRL SW SIG LOW REF NCA WIRE RED/GRN WIRE RED/YEL WIRE RIGHT HEADLAMP ASSEMBLY RIGHT HEADLAMP BALLAST RIGHT HIGH BEAM SOLENOID ACTUATOR RIGHT LOW BEAM HEADLAMP TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK VIO WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE

AIR CONDITIONING SYSTEM AMBIENT LIGHT SENS SIG AMBIENT LIGHT/ SUNLOAD SENSOR BATTERY FUSE BLOCK BATTERY POSITIVE VOLTAGE BLK WIRE BLU WIRE BODY CONTROL MODULE BRN WIRE BRN/VIO WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM FOG LAMP RLY CTRL FOG/LMP/ FRT FUSE FRONT FOG LAMP RELAY FUSE 5 GMLAN SERIAL DATA - 1 GRN WIRE GRN/BRN WIRE GRN/GRY WIRE HDLP HI BEAM RLY CTRL HDLP OFF SIG CTRL HDLP SW FLASH TO PASS SIG HDLP SW ON SIG HDLP SW PARK LAMP SIG HEADLAMP HIGH BEAM RELAY HI BEAM LT FUSE HI BEAM RT FUSE HI IDLE SW CTRL HOT AT ALL TIMES HVAC CONTROL MODULE LEFT HEADLAMP ASSEMBLY LEFT HIGH BEAM SOLENOID ACTUATOR LEFT LOW BEAM HEADLAMP LH HDLP LO BEAM CTRL LIGHTING CTRL SW REF LIGHTING CTRL SW SIG LOW REF RED/GRN WIRE RED/YEL WIRE RH HDLP LO BEAM CTRL RIGHT HEADLAMP ASSEMBLY RIGHT HIGH BEAM SOLENOID ACTUATOR RIGHT LOW BEAM HEADLAMP TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK VIO WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE

AUDIO LO REF AUDIO SIG + BATT POS VOLT BLK WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BRN WIRE BRN/BLU WIRE CAMERA SIG 2 CELL COAX COMMUNICATION ENABLE COMPUTER DATA LINES SYSTEM DATA BUS 10 DATA BUS 5 GPS GPS/CELL 2 GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRY/VIO WIRE GRY/YEL WIRE HI SPD GMLAN HI SPD GMLAN SER DATA - HUMAN MACHINE INTERFACE CONTROL MODULE (UNDER RIGHT SIDE OF INSTRUMENT PANEL) INFOTAINMENT FACEPLATE CONTROL MODULE LEFT FRONT DOOR SPEAKER LO REF LO SPD GMLAN LOGIC LOW REF MOST CTRL MOST SER DATA (+) N/W SER N/W SER DATA BUS 5 NAVIGATION DISPLAY SIG NAVIGATION SYSTEM NCA WIRE REAR VIEW CAMERA CIRCUIT RED/BLU WIRE RED/YEL WIRE RIGHT FRONT DOOR SPEAKER SER DATA SER DATA (+) 9 SIG TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE USB USB SER DATA VOICE LOW REF VOICE RECOGNITION VOICE SIG W/ PREMIUM AUDIO BRANDED, AMPLIFIER SPEAKER SYSTEM WHT/BLU WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE

ACC RLY CTRL ACCESSORY DC/AC POWER INVERTER MODULE ACCESSORY RELAY BATT POS VOLT BLK WIRE BLU WIRE BLU/BRN WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DC TO AC INVERTER CTRL DC/AC FUSE FROM BATTERY FUSE BLOCK (DIAGRAM 1 OF 9) GRN WIRE GROUND IGN 1 VOLT LEFT TRAILER STOP/ TURN SIGNAL LAMP RELAY LOW REF NCA WIRE PARK LAMPS RELAY PHS-A PHS-B RED/GRN WIRE RIGHT TRAILER STOP/ TURN SIGNAL LAMP RELAY SERIAL DATA STEERING WHEEL HEATER RELAY VIO WIRE VIO/GRN WIRE YEL WIRE

2 COIL CONTROL ACCESSORY IGN VOLT ACTIVE SIG ANTENNA SIG 1 HI ANTENNA SIG 1 LO ANTENNA SIG 2 HI ANTENNA SIG 2 LO ANTENNA SIG 3 HI ANTENNA SIG 3 LO ANTENNA SIG HI ANTENNA SIG LO BATT POS VOLT BLK WIRE BLK/GRY WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/YEL WIRE CENTER CONSOLE FRONT KEYLESS ENTRY ANTENNA CENTER CONSOLE REAR KEYLESS ENTRY ANTENNA COMPUTER DATA LINES SYSTEM DRIVER DOOR HANDLE KEYLESS ENTRY ANTENNA DRIVER EXTERIOR DOOR HANDLE ASSEMBLY DRIVER EXTERIOR DOOR HANDLE SWITCH DRV DR HANDLE SW SIG RR CLOSURE HANDLE SW OPEN SIG GMLAN SERIAL DATA GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/GRN WIRE HOT AT ALL TIMES IGNITION MODE SWITCH INSTRUMENT PANEL FUSE BLOCK KEYLESS ENTRY CONTROL MODULE LIFTGATE CONTROL MODULE LOW REF LR DR HANDLE SW SIG NCA WIRE PASS DR HANDLE SW SIG PASSENGER DOOR HANDLE KEYLESS ENTRY ANTENNA PASSENGER EXTERIOR DOOR HANDLE ASSEMBLY PASSENGER EXTERIOR DOOR HANDLE SWITCH PASSIVE START SW SIG 2 PEPS FUSE POWER DISTRIBUTION SYSTEM REAR COMPARTMENT KEYLESS ENTRY ANTENNA REAR FASCIA KEYLESS ENTRY ANTENNA RED/WHT WIRE RR DR HANDLE SW SIG RUN/CRANK IGN 1 VOLT SIG SW OPEN VIO WIRE VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLU WIRE YEL/GRY 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

AUDIO LO REF AUDIO SIG + BATT POS VOLT BLK WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BRN WIRE BRN/BLU WIRE CAMERA SIG 2 CELL COAX COMMUNICATION ENABLE COMPUTER DATA LINES SYSTEM DATA BUS 10 DATA BUS 5 GPS GPS/CELL 2 GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRY/VIO WIRE GRY/YEL WIRE HI SPD GMLAN HI SPD GMLAN SER DATA - HUMAN MACHINE INTERFACE CONTROL MODULE (UNDER RIGHT SIDE OF INSTRUMENT PANEL) INFOTAINMENT FACEPLATE CONTROL MODULE LEFT FRONT DOOR SPEAKER LO REF LO SPD GMLAN LOGIC LOW REF MOST CTRL MOST SER DATA (+) N/W SER N/W SER DATA BUS 5 NAVIGATION DISPLAY SIG NAVIGATION SYSTEM NCA WIRE REAR VIEW CAMERA CIRCUIT RED/BLU WIRE RED/YEL WIRE RIGHT FRONT DOOR SPEAKER SER DATA SER DATA (+) 9 SIG TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE USB USB SER DATA VOICE LOW REF VOICE RECOGNITION VOICE SIG W/ PREMIUM AUDIO BRANDED, AMPLIFIER SPEAKER SYSTEM WHT/BLU WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE