GMC Acadia II facelift (2019-2024) lin bus 2 Wiring diagrams

AMBIENT LIGHT SNS SIG AMBIENT LIGHT/SUNLOAD SENSOR (TOP CENTER OF DASH) AUXILIARY BLOWER MOTOR AUXILIARY BLOWER MOTOR CONTROL MODULE AUXILIARY HEATER CTRL AUXILIARY LOWER DUCT AIR TEMPERATURE SENSOR AUXILIARY UPPER DUCT AIR TEMPERATURE SENSOR BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLOWER MOTOR BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BLWR MTR SPD CTRL BRN WIRE BRN/BLK WIRE BRN/VIO WIRE COMPRESSOR SOI VALVE CTRL COMPUTER DATA LINES SYSTEM CTRL DEFOGGER SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES HUMIDITY SENS SIG HUMIDITY TEMP SENS SIG HVAC CONTROL MODULE INSIDE AIR TEMP SENS SIG INSTRUMENT PANEL FUSE BLOCK LIN BUS 1 LIN BUS 2 LO SPD GMLAN SERIAL DATA LOGIC LOWER AIR TEMP SENS SIG MTR MTR LO MTR SPD CTRL ORG/ WIRE POWER DISTRIBUTION SYSTEM REAR BLWR MTR SPD CTRL REAR BODY FUSE BLOCK REAR DEFOG RLY CTRL RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE REF RUN/CRANK IGN 1 VOLT SOLAR SENS LO REF TEMP SENS LO REF UPPER AIR TEMP SENS SIG VIO WIRE VIO/GRY WIRE VOLT W/ REAR AIR CONDITIONER WHT WIRE WINDSCREEN TEMP SENS SIG WINDSHIELD TEMPERATURE, INSIDE MOISTURE SENSOR YEL WIRE YEL/BLU WIRE YEL/RED WIRE YEL/VIO WIRE

3.6L ACCESSORY WAKEUP SERIAL DATA BACKUP LAMP CTRL BATTERY BATTERY CURRENT SENSOR BATTERY FUSE BLOCK BATTERY POSITIVE VOLT BATTERY POSITIVE VOLTAGE BLK WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BODY CONTROL MODULE (UNDER CENTER OF DASH) BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COURTESY LAMP SW SIG CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG CURRENT SENS CTRL CURRENT SENS LOW REF DOME LAMP OFF INDICATOR CTRL DOOR LOCKS, ANTI-THEFT SYSTEMS DR LCK ACTUATOR UNLOCK CTRL DR LOCK ACTUATOR LOCK CTRL DR LOCK ACTUATOR LOCK CTRL 2 DRV MODE 1 INDICATOR CTRL DRV MODE 2 INDICATOR CTRL DRV MODE 3 INDICATOR CTRL ELECTRONIC SUSPENSION SYSTEM ENDGATE LATCH RLY COIL CTRL ENDGATE LATCH RLY CTRL EXTERIOR LIGHTS SYSTEM SHIFT INTERLOCK SYSTEM FEED BACK SIG FOG LAMP RLY CTRL DRV MODE 4 INDICATOR CTRL FRT WINDSHIELD WIPER SW HIGH SIG FUEL DOOR LOCK RLY CTRL GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/YEL WIRE HDLP HIGH BEAM RLY CTRL HDLP LOW BEAM RLY CTRL HEADLAMP HIGH BEAM RELAY CONT HEADLIGHTS SYSTEM HI SPD GMLAN SERIAL DATA (-) (1) HI SPEED GMLAN DATA BUS (+) 1 HI SPEED GMLAN DATA BUS (-) 1 TRAILER BRAKE APPLY SIG HOOD AJAR SW SIG HORN RLY CTRL HORNS SYSTEM HOT AT ALL TIMES INADVERTENT POWER CTRL INTERIOR LAMP CTRL KEY CAPTURE/COLUMN LOCK SHIFT POSITION SIG LED AMBIENT LIGHTING CTRL 1 LED BACKLT DIMMING CTRL LEFT FRT TURN SIG LAMP CTRL LEFT HDLP LOW BEAM CTRL LEFT HEADLAMP BULB OUT SIG LEFT PARK LAMP CTRL LEFT REAR STOP/TURN LAMP CTRL LEFT TRAILER TURN SIG LAMP CTRL LIFTGATE AJAR SWITCH SIG 1 LIN BUS 1 LIN BUS 2 LIN BUS 3 LOW SPEED GMLAN SERIAL DATA LT BLU/VIO WIRE PARK LAMP RLY CTRL PARK LOCK SOLENOID CTRL PASSENGER DOOR LOCK SW UNLOCK CTRL POWER DISTRIBUTION SYSTEM PUSH BUTTON START CHALLENGE ACT SIG RAP RLY COIL CTRL REAR LICENSE LAMP CTRL REAR TURN SIG LAMP FBK SIG REAR WINDOW WASHER RLY CTRL REAR WIPER MTR RLY COIL CTR RED/GRN WIRE RED/WHT WIRE RIGHT FRT TURN SIG LAMP CTRL RIGHT HDLP LOW BEAM CTRL RIGHT HEADLAMP BULB OUT SIG RIGHT PARK LAMP CTRL RIGHT REAR STOP/TURN LAMP CTRL RIGHT TRAILER TURN SIG LAMP CTRL RR CLOSURE HANDLE SW OPEN SIG RR TRN SIG LMP FBK SIG RUN/CRANK RELAY COIL CTRL SERIAL DATA COMM ENABLE SHIFT INTERLOCK SYSTEM STARTING/CHARGING SYSTEM STOP LAMP RELAY COIL CTRL TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/VIO WIRE WHT/YEL WIRE WINDSHIELD WASHER RELAY CTRL WINDSHIELD WIPER MTR PARK SW SIG WINDSHIELD WIPER MTR RLY COIL CTRL WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM EXTERIOR LIGHTS SYSTEM WIPER/WASHER SYSTEM HEADLIGHTS SYSTEM YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/VIO WIRE

BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/BLU WIRE COMM ENABLE COMMUNICATION ENABLE ETHERNET BUS 4 (-) ETHERNET BUS 6 (-) ETHERNET BUS 7 (-) FRONT SEAT HEATING CONTROL MODULE GRN WIRE GRN/BLU WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE HI SPD GMLAN HIGH SPEED EXTENSION BUS TERMINATING RESISTOR 1 INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE LIN BUS 2 LO SPD GMLAN LOW LEVEL LOW SPEED GMLAN MID/HIGH LEVEL RADIO REAR SEAT HEATING CONTROL MODULE SERIAL DATA SERIAL DATA (-) 9 SERIAL DATA 2 VIDEO PROCESSING CONTROL MODULE W/ INTEGRATED BRAKE ASSIST W/ ONSTAR W/O INTEGRATED BRAKE ASSIST W/O ONSTAR WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE

BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/BLK WIRE BUS 6 (+) COMMUNICATION ENABLE ETHERNET FRONT OBJECT GRN WIRE GRN/BLU WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/VIO WIRE HI SPD GMLAN HVAC CONTROL MODULE HVAC CONTROLS KEYLESS ENTRY CONTROL MODULE (RIGHT SIDE OF LUGGAGE COMPT) LIN BUS 1 LIN BUS 2 LO SPD GMLAN LO SPD GMLAN SERIAL DATA MOST SERIAL PASSENGER PRESENCE MODULE (IN PASSENGER'S SEAT CUSHION) SEN 2 REF VOLT SERIAL DATA SERIAL DATA (+) 8 SERIAL DATA (-) 4 SERIAL DATA 2 STEERING COLUMN LOCK MODULE STEERING WHEEL AIR BAG COIL STEERING WHEEL HEATING CONTROL MODULE W/ INTEGRATED BRAKE ASSIST W/O INTEGRATED BRAKE ASSIST WHT WIRE WHT/BLU WIRE WHT/GRY WIRE

ACCESSORY WAKEUP BLU WIRE BLU/VIO WIRE BLU/YEL WIRE BODY CONTROL MODULE BODY CONTROL MODULE (UNDER CENTER OF DASH) COMMUNICATION ENABLE DRIVER SEAT HEATING SWITCH DRIVER WINDOW MOTOR MODULE DRIVER WINDOW SWITCH GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/VIO WIRE HI SPD GMLAN HI SPD GMLAN SERIAL DATA (-) (1) IMMO LIN BUS 1 IMMOBILIZER CONTROL MODULE LEFT REAR WINDOW SWITCH LIN BUS 1 LIN BUS 2 LIN BUS 3 LIN BUS 4 LO SPD GMLAN PASSENGER SEAT HEATING SWITCH PASSENGER WINDOW SWITCH RIGHT REAR WINDOW SWITCH SEAT MEMORY CONTROL MODULE SERIAL DATA SERIAL DATA (-) (1) STEERING COLUMN POSITION CONTROL MODULE SUNROOF CONTROL MODULE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE

2.0L TURBO 2.5L 2.5L 3.6L 3.6L ACC WAKE-UP SERIAL DATA ACTIVE GRILLE AIR SHUTTER ACTUATOR 1 AUXILIARY HEATER COOLANT PUMP BATTERY SENSOR MODULE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE COOLING FAN CONTROL MODULE ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE COOLANT FLOW CONTROL VALVE ENGINE COOLANT PUMP ENGINE CTRL MODULE LIN BUS 1 ENGINE CTRL MODULE LIN BUS 2 EVAPORATIVE EMISSION PURGE PUMP GRN/BLK WIRE GRN/VIO WIRE GRN/WHT WIRE HI SPD GMLAN SERIAL DATA (+) (3) HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) 1 HI SPD GMLAN SERIAL DATA (-) 3 HI SPD GMLAN SERIAL DATA (-) 7 LIN BUS 1 LIN BUS 2 MULTI-FUNCTION INTAKE AIR SENSOR NCA WIRE PWR MOD WAKE-UP SIG R R SEAT MEMORY CTRL MODULE LIN BUS 2 VIO/GRN WIRE VIO/YEL WIRE WHT WIRE

AUXILIARY HVAC CONTROLS BLK WIRE BLK/BLU WIRE BLU/GRY WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DATA BUS 4 DATA BUS 9 DOME OFF IND DRIVER DOOR LOCK SWITCH DRIVER SEAT MEMORY SWITCH GRN/BLU WIRE GRN/GRY WIRE GRN/YEL WIRE HEATED STEERING WHEEL IND HEATED STEERING WHEEL SWITCH LED INTERIOR LIFTGATE CONTROL SWITCH KEYPAD GREEN KEYPAD RED WIRE LED CONTROL LEFT REAR WINDOW SWITCH LEFT STEERING WHEEL CONTROLS SWITCH LIN BUS 2 LOCAL INTERCONNECT LOGIC LOW REF MANUAL NCA WIRE OVERHEAD CONSOLE MULTI- FUNCTION SWITCH PASSENGER DOOR LOCK SWITCH RIGHT STEERING WHEEL CONTROLS SWITCH SEAT MEMORY CONTROL MODULE SERIAL DATA STEERING WHEEL HEATING CONTROL MODULE TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE W/ MEMORY WHT WIRE YEL WIRE YEL/VIO WIRE

A/C COMPRESSOR CLUTCH RLY CTRL A/C REFRIGERANT PRESS SENS SIG ACCESSORY WAKE UP SERIAL DATA AIR CONDITIONING SYSTEM AMBIENT AIR TEMP SENS SIG ANTI-THEFT SYSTEM APP LOW REF 1 APP LOW REF 2 APP SIG (1) APP SIG (2) BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BRAKE POS SENS SIG BRN/RED WIRE BRN/WHT WIRE CHECK ENGINE INDICATOR CTRL COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRK SIG CYLINDER 2 FRONT SOLENOID CTRL CYLINDER 2 POS SENS CYLINDER 2 REAR SOLENOID CTRL CYLINDER 3 FRONT SOLENOID CTRL CYLINDER 3 POS SENS CYLINDER 3 REAR SOLENOID CTRL CYLINDER 4 FRONT SOLENOID CTRL CYLINDER 4 POS SENS SIG CYLINDER 4 REAR SOLENOID CTRL ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) EXHAUST CAMSHAFT PROFILE ACTUATOR 2 EXHAUST CAMSHAFT PROFILE ACTUATOR 3 EXHAUST LOBE AXIAL POS SIG 2 FUEL PUMP PRI RLY CTRL GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BRN WIRE GRY/YEL WIRE HI SPD GMLAN SERIAL DATA (+) (3) HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) 7 HOOD STATUS A SIG HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INTAKE LOBE AXIAL POS SIG 1 INTAKE LOBE AXIAL POS SIG 2 LIN BUS 2 MASS AIR FLOW SENS SIG MTR CTRL A MTR CTRL B MTR CTRL C MTR CTRL D POWERTRAIN MAIN RLY FUSED SPLY 2 POWERTRAIN MAIN RLY FUSED SPLY 3 POWERTRAIN RELAY COIL CTRL REAR BODY FUSE BLOCK RED/VIO WIRE RED/WHT WIRE RUN/CRANK IGNITION 1 VOLT 1 SECONDARY FUSED BATT POS VOLT 1 SENS 1 SIG SENS 2 SIG SENS 2 GND SOLENOID ACTUATOR RLY CTRL STARTER ENABLE RLY CTRL STARTING/ CHARGING SYSTEM STEP CAM A CTRL STEP CAM B CTRL TEMPERATURE SIG UNDERHOOD FUSE BLOCK VIO/BLK WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/VIO WIRE YEL/WHT WIRE