Cadillac CT4-V I (2019-2024) driver information center display Wiring diagrams

BLK WIRE BLU/WHT WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DOOR LOCK DRIVER INFORMATION CENTER DISPLAY GRN/BLU WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/VIO WIRE IND CTRL INSTRUMENT CLUSTER LIN BUS 2 LIN BUS 3 LIN BUS 4 LOCK CTRL LOGIC OPEN SW SIG PASSENGER DOOR LOCK SWITCH PASSENGER FRONT SIDE DOOR WINDOW CONTROL SWITCH RED/BLU WIRE RED/BRN WIRE RIGHT REAR SIDE DOOR LATCH RIGHT REAR SIDE DOOR WINDOW SWITCH RR DR AJAR SECURITY IND SERIAL DATA SW SIG UNLOCK CTRL VIO WIRE VIO/WHT WIRE W/O WINDSHIELD HEAD-UP DISPLAY WHT/BLU WIRE YEL/BLU WIRE YEL/VIO WIRE

A/C COMPRESSOR (LOWER LEFT FRONT OF ENGINE) A/C COMPRESSOR CLUTCH A/C COMPRESSOR SOLENOID VALVE A/C IND A/C SWITCH AMBIENT AIR TEMPERATURE SENSOR AUTO IND AUTO SWITCH BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DATA DEFROST SWITCH DEFROST, LOWER AIR OUTLET SWITCH DEFROST, OUTLET LOWER IND DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROLS SYSTEM FAN DOWN SWITCH FAN UP SWITCH GRN/VIO WIRE GRY/GRN WIRE HVAC CONTROLS INSTRUMENT CLUSTER LEFT TEMPERATURE DOWN SWITCH LEFT TEMPERATURE UP SWITCH LOGIC LOWER AIR OUTLET IND LOWER AIR OUTLET SWITCH MOST SERIAL NCA WIRE ON/OFF IND RECIRCULATION IND RECIRCULATION SWITCH RED/BLU WIRE RIGHT TEMPERATURE DOWN SWITCH RIGHT TEMPERATURE UP SWITCH SYNC IND SYNC SWITCH UPPER AIR OUTLET IND UPPER AIR OUTLET SWITCH UPPER, LOWER AIR OUTLET IND UPPER, LOWER AIR OUTLET SWITCH VIO/BLU WIRE W/O WINDSHIELD HEAD-UP DISPLAY WHT/GRY WIRE WHT/YEL WIRE

BATTERY BATTERY DISTRIBUTION ENGINE COMPT FUSE BLOCK BATTERY DISTRIBUTION FUSE BLOCK BATTERY MONITOR MODULE BLK WIRE BLK/WHT WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BUS (+) 5 SERIAL DATA BUS (-) SERIAL DATA CHARGE IND CHARGE IND CTRL COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE GENERATOR GENERATOR FIELD DUTY CYCLE SIG GRN/YEL WIRE GRY WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VLT 21 IGNITION 1 VOLT 4 INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LIN BUS (-) SER DATA LOGIC RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE VIO/BLK WIRE VIO/GRN WIRE WHT WIRE

AUTOSAR CAN BUS (+) 5 SERIAL DATA BLK WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE WIRING HARNESS JUNCTION BLOCK HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE LEFT FRONT SHORT RANGE RADAR SENSOR LEFT REAR SIDE SHORT RANGE RADAR SENSOR LOGIC LONG RANGE FORWARD RANGE RADAR SENSOR RED/YEL WIRE RIGHT FRONT SHORT RANGE RADAR SENSOR RIGHT REAR SIDE SHORT RANGE RADAR SENSOR WHT/GRY WIRE

2.0L 5-VOLT REF 1 ACTR CTRL CLS ACTR CTRL OPN 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 BLU/WHT WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM COOLANT TEMP SIG DATA DIVERTER VALVE POS SIG DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE (UNDER FUSE BLOCK UNDERHOOD) ENGINE COOLANT BYPASS VALVE ENGINE COOLANT FLOW CONTROL VALVE ENGINE COOLANT TEMPERATURE SENSOR 1 ENGINE COOLANT TEMPERATURE SENSOR 2 ENGINE COOLANT TEMPERATURE SENSOR 3 ENGINE COOLANT TEMPERATURE SENSOR 4 ENGINE COOLANT TEMPERATURE SENSOR 5 ENGINE COOLANT TEMPERATURE SENSOR 6 GRN/BRN WIRE GROUND 61 GRY/VIO WIRE HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT 4 INSTRUMENT CLUSTER INSTRUMENT PANEL WIRING HARNESS FUSE BLOCK LOGIC MOST SERIAL ON UPPER SUPPORT RAIL) RADIATOR COOLANT TEMPERATURE SENSOR SENS 2 SIG SENS LO REF 1 SENS LO REF 2 TEMP SIG UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLU WIRE VIO/GRN WIRE W/O WINDSHIELD HEAD-UP DISPLAY WHT/RED WIRE YEL/BLK WIRE YEL/BLU WIRE

ACCENT LIGHTING CTRL BATT POS VOLT 21 BATT POS VOLT 22 FOOTWELL ACCENT LIGHTING CTRL ACCENT LIGHTING CTRL BATT POS VOLT 40 BLK WIRE BLK/WHT WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (RIGHT SIDE OF DASH) BRN/WHT WIRE CAN BUS (-) 2 SER DATA COMPUTER DATA LINES SYSTEM COURTESY LAMP CTRL DOME/READING LAMP CTRL DOME/READING LAMP ENABLE SIG DRIVER INFORMATION CENTER DISPLAY FRONT FLOOR CONSOLE COMPARTMENT LAMP GND 14 GRN/GRY WIRE GRN/VIO WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES ILLUMINATION IND INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL LIGHT CONDUCTOR LAMP LEFT REAR FLOOR COURTESY LAMP LF DOOR OPEN SWITCH SIG LOGIC LR CHILD SECURITY LOCK REAR COMPARTMENT COURTESY LAMP RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/VIO WIRE RIGHT REAR FLOOR COURTESY LAMP RR CHILD SECURITY LOCK VIO/GRN WIRE VIO/GRY WIRE W/O WINDSHIELD HEAD-UP DISPLAY WHT WIRE WHT/BLK WIRE WHT/YEL WIRE YEL/BLU WIRE

ABS IND. ADAPTIVE CRUISE IND ADAPTIVE FRONT LIGHTING (AFL) IND AIR BAG IND AUTO HIGH BEAM IND AUTO STOP IND AUTOSAR CAN BUS (+) 5 SER DATA AUTOSAR CAN BUS (-) 5 SER DATA BATT POSITIVE VOLT BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE SYSTEM WARNING IND BRAKE WARNING IND BRN/BLU WIRE CHARGE IND COMPUTER DATA LINES SYSTEM CRUISE IND DAY NIGHT LED CTRL DECENT CTRL IND DOOR AJAR IND DRIVER INFORMATION CENTER DISPLAY ELECTRIC STABILITY CONTROL OFF IND ELECTRIC STABILITY IND ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE IND ENGINE OIL PRESSURE IND ESC IND ESC OFF IND ETHERNET BUS 7 (-) FORWARD COLLISION ALERT LED CTRL FRONT FOG LAMP IND FUEL GAUGE GRN/BLK WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/YEL WIRE HEAD-UP DISPLAY CIRCUIT HIGH BEAM ASSIST IND HIGH BEAM IND HIGH BEAM LAMP IND HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED HUD SIG IGN 1 VOLT INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL FUSE BLOCK LEFT TURN IND LIGHTS ON IND LIN BUS 1 LOGIC LOW FUEL IND LVDS MALFUNCTION IND NAVIGATION SYSTEM PARK BRAKE IND PARK LAMP IND POWER STEERING WARNING LIGHT IND RED/BLU WIRE RED/BRN WIRE RIGHT TURN IND SEAT BELT IND SECURITY IND SERVICE IND SERVICE PARK BRAKE IND SPEEDOMETER TACHOMETER TIRE PRESSURE IND TOW/ HAUL IND TRACTION CRTL OFF IND VEHICLE AHEAD IND VIO/BLK WIRE VIO/GRN WIRE W/O WINDSHIELD HEAD-UP DISPLAY

BACKLIGHT DIMMING CTRL 1 BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (RIGHT SIDE OF DASH) CAN BUS (-) 2 SER DATA COMPUTER DATA LINES SYSTEM DIMMER SW LOW REF DIMMER SWITCH DIMMER SWITCH SIGNAL DRIVER INFORMATION CENTER DISPLAY GARAGE DOOR OPENER TRANSMITTER GND 14 HAZARD WARNING SWITCH HEAD-UP DISPLAY SWITCH HOT AT ALL TIMES ILLUMINATION IND INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LOGIC ON/OFF VEHICLE SWITCH POSITIVE VOLTAGE 40 RED/BLU WIRE RED/VIO WIRE W/O WINDSHIELD HEAD-UP DISPLAY WHT WIRE YEL WIRE YEL/GRY WIRE

AUTOSAR CAN BUS (+) 5 SERIAL DATA BATT POS VOLT BATTERY DISTRIBUTION ENGINE COMPT FUSE BLOCK BLK WIRE BLK/WHT WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE MASTER CYLINDER) BRAKE SYSTEM CONTROL MODULE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE HI SPEED GMLAN SER DATA (-) 2 HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT PARKING BRAKE ACTUATOR LEFT PRK BRK MTR APPLY CTRL LEFT PRK BRK MTR LOW REF LOGIC PARK BRAKE IND PARKING BRAKE CONTROL SWITCH RED/BRN WIRE RED/VIO WIRE RIGHT PARKING BRAKE ACTUATOR RIGHT PRK BRK MTR APPLY CTRL RIGHT PRK BRK MTR LOW REF RUN/CRANK IGNITION 1 VOLTAGE SERVICE PARK BRAKE IND VIO/BLK WIRE W/O WINDSHIELD HEAD-UP DISPLAY WHT WIRE

AUTOMATIC TRANSMISSION (10-SPEED A/T) AUTOMATIC TRANSMISSION (8-SPEED A/T) AUTOMATIC TRANSMISSION CONTROL LEVER AUTOMATIC TRANSMISSION MANUAL SHIFT SHAFT POSITION SWITCH BATT POS VOLT BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRAKE PEDAL POSITION SENSOR BRK APPLY SENS LOW REF BRK APPLY SENS SIG BRK APPLY SENS SPLY VOLT BRK POS SENS SIG BRN/BLU WIRE CAN BUS (-) 2 SER DATA CAN BUS (-) 2 SERIAL DATA COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE (UNDERHOOD UNDER FUSE BLOCK) ENGINE CONTROLS SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK ETHERNET BUS 7 (+) ETHERNET BUS 7 (-) GND 13 GRN WIRE GRN/YEL WIRE GRY/BLU WIRE HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LOCK SHIFT POS SIG LOGIC NCA WIRE PARK POSITION SWITCH PARK SW SIG PARK SW SIG 2 PRK LOCK SOL ACT CTRL RED/BRN WIRE RED/GRY WIRE RUN/CRANK IGNITION 1 VOLTAGE 21 SENS 5 VOLT REF 1 SENS LOW REF 1 SW MODE CTRL X SWITCH MODE CTRL Y TRANS OUT SHAFT SPD TRANSMISSION CONTROL MODULE TRANSMISSION PARK VALVE POSITION SWITCH TRANSMISSION SHIFT LOCK CONTROL SOLENOID ACTUATOR TRANSMISSIONS SYSTEM VIO/BLK WIRE VIO/WHT WIRE W/O WINDSHIELD HEAD-UP DISPLAY WHT WIRE WHT/GRN WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/GRN WIRE YEL/GRY WIRE