Cadillac XT4 I (2018-2023) driver information center display Wiring diagrams

BATT POS VOLT BATTERY BATTERY FUSE BLOCK BATTERY SENSOR FUSE HOLDER BATTERY SENSOR MODULE BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE BRN WIRE CHARGE IND CHARGE IND CTRL COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE FUSE GENERATOR GENERATOR FIELD DUTY CYCLE SIG GRN/VIO WIRE GRY WIRE GRY/GRN WIRE HIGH SPEED GMLAN SERIAL DATA (-) (1) HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT CLUSTER LOCAL INTERCONNECT NETWORK SERIAL DATA BUS 21 LOGIC LOW SPEED GMLAN SERIAL DATA 2 NCA WIRE RED/WHT WIRE RED/YEL WIRE RUN/CRANK IGNITION 1 VOLT SIG GND STARTER MOTOR UNDERHOOD FUSE BLOCK VIO WIRE VIO/GRY WIRE WHT WIRE

ACTIVE SAFETY CONTROL MODULE (CARGO AREA, FRONT OF LEFT REAR WHEELWELL) BATT POS VOLT BLK WIRE BLK/WHT WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY FRONT OBJECT SENS CTRL 1 FRONT OBJECT SENS CTRL 2 GRN WIRE GRN/BRN WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE HI SPD GMLAN SERIAL DATA (+) 4 HI SPD GMLAN SERIAL DATA (+) 8 HI SPD GMLAN SERIAL DATA (-) (2) HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL MULTI- FUNCTION SWITCH LANE DEPARTURE WARNING DISABLE SW SIG LANE DEPARTURE WARNING IND CTRL LANE KEEPING ASSIST IND LANE KEEPING ASSIST SWITCH LEFT FRONT SHORT RANGE RADAR SENSOR MODULE LOGIC LONG RANGE RADAR SENSOR MODULE (BEHIND LEFT CENTER OF FRONT FASCIA) LOW SPD GMLAN SERIAL DATA PARKING ASSIST IND PARKING ASSIST SWITCH REAR PARK ASSIST LED DISABLE SIG REAR SHORT RANGE RADAR SENSOR MODULE RED/GRN WIRE RIGHT FRONT SHORT RANGE RADAR SENSOR MODULE RR PARK ASSIST DISABLE SIG SERIAL DATA COMM ENABLE SIG GND WHT WIRE WHT/BLU WIRE WHT/GRY 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 BRN/BLU WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM COOLANT DIVERTER VALVE ACTR CTRL HI COOLANT DIVERTER VALVE ACTR CTRL LO COOLANT DIVERTER VALVE POSI SIG DRIVER INFORMATION CENTER DISPLAY ENG CTRL SENSS 5 VOLT REF (2) ENG CTRL SENSS LOW REF (1) ENG CTRL SENSS LOW REF (2) ENGINE CONTROL MODULE (ENGINE COMPT, RIGHT SIDE OF BATTERY) ENGINE COOLANT BYPASS VALVE ENGINE COOLANT COOLANT FLOW CONTROL VALVE ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE IND ETHER NET BUS 7(+) ETHER NET BUS 7(-) GND GRN/BLK WIRE GRY/BLU WIRE HEATER CORE OUTLET TEMP SIG HI SPEED GMLAN SERIAL DATA (-) 1 HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED IGN INSTRUMENT CLUSTER LOGIC LOW REF RUN/CRANK IGNITION 1 VOLTAGE SENSOR 2 SIG SIG GND TEMP SIG UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE WHT WIRE WHT/RED WIRE YEL/BLK WIRE

ACC IGN VOLT ACTIVE SIG ANT 1 SIG HI ANT 1 SIG LO ANT 2 SIG HI ANT 2 SIG LO ANT 3 SIG HI ANT 3 SIG LO ANT SIG HI ANT SIG LO BATT POSITIVE VOLT BLK WIRE BLK/WHT 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 DOOR AJAR IND DRIVER INFORMATION CENTER DISPLAY DRV DR ANT SIG HI DRV DR ANT SIG LO DRV DR HANDLE SW SIG DRV DR OPEN SW SIG GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE HANDS-FREE LIFTGATE SENSOR LAMP HANDSFREE PROJECTION LAMP CTRL HOT AT ALL TIMES IGNITION MODE SWITCH INSTRUMENT CLUSTER KEYLESS ENTRY CONTROL MODULE LEFT REAR EXTERIOR DOOR HANDLE ASSEMBLY LEFT REAR EXTERIOR DOOR HANDLE COURTESY LAMP LEFT REAR EXTERIOR DOOR HANDLE SWITCH LO SPD GMLAN SERIAL DATA LO SPD GMLAN SERIAL DATA 2 LOGIC LR DR HANDLE SW SIG PASS DR ANT SIG HI PASS DR ANT SIG LO PASS DR HANDLE SW SIG PASSIVE START SW 2 LO REF PASSIVE START SW SIG 2 POWER DISTRIBUTION SYSTEM RAP RLY 2 COIL CTRL REAR COMPARTMENT KEYLESS ENTRY ANTENNA REAR FASCIA KEYLESS ENTRY ANTENNA RED WIRE RED/WHT WIRE RIGHT REAR EXTERIOR DOOR HANDLE ASSEMBLY RIGHT REAR EXTERIOR DOOR HANDLE COURTESY LAMP RIGHT REAR EXTERIOR DOOR HANDLE SWITCH RR DR HANDLE SW SIG RUN/CRANK IGN 1 VOLT STRG CLMN LK SIG UNDERHOOD FUSE BLOCK VIO WIRE VIO/GRY WIRE WHT WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/GRY WIRE

"CHECK ENGINE" IND CTRL ABS IND. ADAPTIVE CRUISE IND AIR BAG IND AIR CONDITIONING IND AUTO HIGH BEAM IND AUTO STOP IND BATT POSITIVE VOLT BLK/WHT WIRE BLU/GRN WIRE BRAKE IND BRAKE WARNING IND BRN WIRE BRN/BLU WIRE BRN/WHT WIRE CHARGE IND COMPUTER DATA LINES SYSTEM CRUISE IND DAY NIGHT LED CTRL DRIVER INFORMATION CENTER DISPLAY ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE IND ENGINE OIL LEVEL GAUGE IND ENGINE OIL PRESSURE IND ESC IND ESC OFF IND ETHERNET BUS 7 (-) FORWARD COLLISION ALERT LED CTRL FUEL GAUGE GRN/BLK WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE HEAD-UP DISPLAY CIRCUIT HEAD-UP DISPLAY SIG HI GMLAN SER DATA (+) 7 HI GMLAN SER DATA (+) 9 HIGH BEAM ASSIST IND HIGH BEAM LAMP IND HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LANE KEEP ASSIST IND LEFT TURN IND LIGHTS ON IND LIN SER DATA BUS 12 LOGIC LOW FUEL IND LOW SPD GMLAN SER DATA 2 LOW WASHER FLUID IND CTRL LVDS GY MALFUNCTION IND NAVIGATION SYSTEM PARK BRAKE IND PARK LAMP IND PEDESTRIAN AHEAD IND POWER STEERING WARNING LIGHT IND REAR FOG LAMP IND RED/BLU WIRE RIGHT TURN IND RUN/CRANK IGN 1 VOLT SEAT BELT 2 IND SEAT BELT IND SECURITY IND SERVICE PARK BRAKE IND SNOW IND SPEEDOMETER TACHOMETER TIRE PRESSURE IND TRACTION CTRL OFF IND UNDERHOOD FUSE BLOCK VEHICLE AHEAD IND VIO WIRE VIO/GRY WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WIPER/WASHER SYSTEM

ACTIVE SAFETY CONTROL MODULE BATT POS BATT POS VOLT BATT POS VOLT LANE DEPARTURE WARNING IND CTRL PARKING ASSIST DISABLE LED SIG BLK WIRE BLK/WHT WIRE BLU/GRY WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY FRONT OBJECT SENSOR CONTROL 2 GRN WIRE GRN/BRN WIRE GRY/GRN WIRE GRY/WHT WIRE HI SPD GMLAN SERIAL DATA (+) 4 HI SPD GMLAN SERIAL DATA (-) (2) HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL MULTI- FUNCTION SWITCH LANE DEPARTURE WARNING ASSIST IND LANE DEPARTURE WARNING ASSIST SWITCH LANE DEPARTURE WARNING DISABLE SW SIG LANE DEPARTURE WARNING IND LO SPD GMLAN SERIAL DATA LOGIC LOW SPD GMLAN SERIAL DATA 2 POWER SUPPLY TRANSFORMER RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE SIG GND SPLY VOLT 1 VOLT WHT WIRE WHT/BLU WIRE WHT/GRY WIRE WINDSHIELD FRONT VIEW CAMERA

AM/FM AUXILIARY AUDIO INPUT BATT POST VOLTAGE BK USB SERIAL DATA BLK WIRE BLK/WHT WIRE BRN/BLK WIRE BRN/BLU WIRE CAMERA COAXIAL VIDEO SIGNAL COAX COAX BK COAX BU COAX CU COAX OG COMPUTER DATA LINES SYSTEM DISPLAY DRIVER INFORMATION CENTER DISPLAY ETHERNET BUS 4 (-) ETHERNET BUS 6 (-) ETHERNET BUS 7 (-) GPS/CELL GROUND GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/WHT WIRE INFO DISPLAY MODULE INSTRUMENT CLUSTER LOGIC LOW SPD GMLAN LVDS LVDS GY USB SER DATA NAVIGATION SYSTEM RADIO RADIO ANTENNA AMPLIFIER RADIO/HVAC CONTROLS RED/BLU WIRE RED/VIO WIRE S-BOOND SERIAL DATA 2 USB USB SER DATA W/ ONSTAR W/O ONSTAR YEL WIRE

BATTERY POSITIVE VOLTAGE BLK WIRE BLK/WHT WIRE BLU WIRE BLU/GRN WIRE BRAKE SYSTEM CONTROL MODULE COMPUTER COMPUTER DATA LINES SYSTEM DATA LINES DRIVER INFORMATION CENTER DISPLAY GRN/VIO WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/BLK WIRE HI SPD GMLAN SER DATA (-) 9 HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LEFT PARK BRAKE ACTUATOR LOCAL INTERCONNECT NETWORK BUS 31 LOGIC LR PARK BRAKE MOTOR APPLY CTRL LR PARK BRAKE MOTOR LOW REF PARK BRAKE SWITCH PARKING BRAKE IND. RED/VIO WIRE RED/YEL WIRE RIGHT PARK BRAKE ACTUATOR RR PARK BRAKE MOTOR APPLY CTRL RR PARK BRAKE MOTOR LOW REF SERVICE PARK BRAKE IND SIG GND SYSTEM UNDERHOOD FUSE BLOCK VIO WIRE VIO/GRY WIRE WHT WIRE WHT/GRN WIRE

BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY GRN/BRN WIRE GRN/YEL WIRE GRY/GRN WIRE INSTRUMENT CLUSTER INSTRUMENT PANEL MULTI- FUNCTION SWITCH LEFT MIDDLE REAR PARKING ASSIST SENSOR LEFT OUTER REAR PARKING ASSIST SENSOR LEFT REAR SIDE PARKING ASSIST SENSOR LOGIC LOW SPD GMLAN SERIAL DATA 2 PARALLEL PARKING ASSIST SWITCH PARKING ASSIST IND PARKING ASSIST SWITCH RIGHT MIDDLE REAR PARKING ASSIST SENSOR RIGHT OUTER REAR PARKING ASSIST SENSOR RIGHT REAR SIDE PARKING ASSIST SENSOR W/O INTEGRATED BRAKE ASSIST WHT WIRE YEL WIRE YEL/BLU WIRE YEL/VIO WIRE YEL/WHT WIRE

BATT POS VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (LOWER CENTER OF DASH) BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE HI SPD GMLAN SERIAL DATA (-) (1) HOOD AJAR SWITCH HOOD OPEN SW SIG HOOD STATUS B SIG HOT AT ALL TIMES IMMOBILIZER CONTROL MODULE IMMOBILIZER CTRL IMMOBILIZER LOW REF INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LO SPD GMLAN SERIAL DATA LOGIC NETWORK BUS 11 PPL RED/WHT WIRE SECURITY IND WHT WIRE YEL WIRE