Cadillac CT4-V I (2019-2024) logic Wiring diagrams

ACTIVE GRILLE AIR SHUTTER 1 ACTUATOR AUTOSAR CAN BUS SERIAL DATA (-) 5 BLK WIRE BLU/WHT WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK GRN/VIO WIRE GROUND HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED IGN INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LIN LOGIC RUN/CRANK IGN 1 VOLTAGE VIO/BLK WIRE VIO/BLU WIRE W/O WINDSHIELD HEAD-UP DISPLAY

ABS IND. AUTOSAR CAN BUS (+) 2 SERIAL DATA BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (RIGHT SIDE OF DASH) BRAKE APPLY SENSOR LOW REF BRAKE APPLY SENSOR SIGNAL BRAKE APPLY SENSOR VOLTAGE REF BRAKE IND BRAKE PEDAL POSITION SENSOR BRAKE POSITION SENSOR SIGNAL BRN/BLU WIRE CENTER CONSOLE MULTI-FUNCTION SWITCH COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ELECTRIC PARK BRAKE IND ENGINE CONTROL MODULE (UNDERHOOD UNDER FUSE BLOCK) ENGINE CONTROL MODULE LIN BUS 1 ENGINE CONTROL MODULE LIN BUS 2 ENGINE CONTROL SENSORS 5 VOLT REFERENCE 1 ENGINE CONTROL VEHICLE SENSORS LOW REFERENCE 1 ENGINE CONTROLS SYSTEM GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT CLUSTER INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT FRONT DISC BRAKE PAD WEAR SENSOR LOGIC NCA WIRE PARK BRAKE IND PARKING BRAKE CONTROL SWITCH RED/VIO WIRE RIGHT REAR DISC BRAKE PAD WEAR SENSOR TRACTION CONTROL SWITCH TRACTION CONTROL SWITCH SIGNAL 1 VIO/BLK WIRE W/O WINDSHIELD HEAD-UP DISPLAY WHT WIRE WHT/GRN WIRE

2.0L TURBO 2.7L TURBO A/C REFRIGERANT PRESSURE SENSOR 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/RED WIRE COMPUTER DATA LINES SYSTEM ENGINE COOLANT BYPASS VALVE ENGINE COOLANT FLOW CONTROL VALVE (REAR OF GENERATOR) GRN WIRE GRN/BRN WIRE GRN/VIO WIRE HOT AT ALL TIMES HOT W/ ENGINE IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL WIRING HARNESS FUSE BLOCK LEFT PROGRAMMABLE TEMPERATURE VALVE ACTUATOR LOGIC PROGRAMMABLE AIR INLET VALVE ACTUATOR PROGRAMMABLE MODE VALVE ACTUATOR RADIATOR COOLANT TEMPERATURE SENSOR RED/GRN WIRE RIGHT PROGRAMMABLE TEMPERATURE VALVE ACTUATOR VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE WHT/GRY WIRE WHT/RED WIRE WHT/YEL WIRE YEL/BLK WIRE

ACTIVE GRILLE AIR SHUTTER ACTUATOR BATTERY MONITOR MODULE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/BLU WIRE CAN BUS (+) 5 SERIAL DATA CAN BUS (-) 5 CONTENT THEFT DETERRENT SENSOR ENGINE COOLANT FLOW CONTROL VALVE ENGINE COOLANT FLOW CONTROL VALVE BLOCK ENGINE COOLANT PUMP ENGINE COOLING FAN MOTOR ETHERNET BUS 7 (-) EVAPORATIVE EMISSION CANISTER PURGE PUMP FRONT HEATER, AIR CONDITIONING USER INTERFACE CONTROL FRONT SEAT HEATER VENT CONTROL MODULE GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE INSTRUMENT PANEL CLUSTER CONTROL MODULE LIN BUS 1 LIN BUS 11 LIN BUS 4 LIN BUS 8 LIN BUS 9 LOGIC NCA WIRE RADIO CONTROL ROOF CONSOLE SERIAL DATA SERIAL DATA CAN BUS (-) 5 SUNROOF CONTROL MODULE VEHICLE PERFORMANCE DATA RECORDER W/ VEHICLE PERFORMANCE RECORDER W/O VEHICLE PERFORMANCE RECORDER WHT WIRE

BATT 27 BATT 28 BATT 29 BATT 55 BATT 56 BATT 57 BLK WIRE BLK/WHT WIRE BLU/BRN WIRE BLU/YEL WIRE CAN BUS (-) 2 SERIAL DATA COMPUTER DATA LINES SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK GRN WIRE GROUND 22 GRY/BLU WIRE HOT AT ALL TIMES INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LEFT FRONT HEADLAMP LEFT HEADLAMP CONTROL MODULE LEFT HIGH BEAM HEADLAMP LEFT LOW BEAM HEADLAMP LEFT PARK DAYTIME RUNNING LAMP LH FRT DRL CTRL LH FRT LAMP ASSEMBLY CTRL LH HDLP HI BEAM CTRL LH HDLP LOW BEAM CTRL LIGHTING CONTROL MODULE LOGIC NCA WIRE RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RH FRT DRL CTRL RH FRT LAMP ASSEMBLY CTRL RH HDLP HI BEAM CTRL RH HDLP LOW BEAM CTRL RIGHT FRONT HEADLAMP RIGHT HEADLAMP CONTROL MODULE RIGHT HIGH BEAM HEADLAMP RIGHT LOW BEAM HEADLAMP RIGHT PARK DAYTIME RUNNING LAMP WHT WIRE YEL WIRE

AIR CONDITIONING SYSTEM AMBIENT LIGHT SENS SIG AMBIENT LIGHT/ SUNLOAD SENSOR AUTO AUTO HI BEAM ASSIST SW SIG AUTO HIGH BEAM SWITCH AUTOSAR CAN BUS (+) 5 SERIAL DATA BATT 25 BATT 32 BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (RIGHT SIDE OF DASH) CAN BUS (-) 2 SERIAL DATA COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY FRONT FOG LAMP IND GRN/BRN WIRE GRN/YEL WIRE GROUND GROUND 14 GRY/BRN WIRE HDLP SW FLASH SIG HDLP SW OFF SIG HDLP SW ON SIG HEAD HI BEAM SEL SW HI BEAM SIG HIGH BEAM IND INSTRUMENT CLUSTER LOGIC NCA WIRE OFF PARK PARK BRAKE SWITCH PARKING BRAKE CONTROL SWITCH RED/BLU WIRE RED/VIO WIRE SENS LOW REF TURN SIGNAL SWITCH W/O WINDSHIELD HEAD-UP DISPLAY WHT WIRE WHT/BLU WIRE WHT/VIO WIRE YEL/BRN WIRE

BATT POSITIVE VOLT BLK WIRE BLK/BRN WIRE BLK/YEL WIRE BODY CONTROL MODULE LIN BUS 3 GND BRN/BLK WIRE COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DOWN DRIVER FRONT SIDE DOOR WINDOW CONTROL SWITCH DRIVER OUTSIDE REAR VIEW MIRROR ACTUATOR DRIVER OUTSIDE REAR VIEW MIRROR COURTESY LAMP DRIVER OUTSIDE REAR VIEW MIRROR FOLDING ACTUATOR DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR- VIEW MIRROR DRIVER SIDE OBJECT DETECTION INDICATOR DRV MIR MTR COMMON CTRL DRV MIR MTR RH (+) LH (-) CTRL DRV MIR MTR UP (+) DOWN (-) CTRL DRV MIR POSITION SENS HI REF DRV MIR POSITION SENS LH (-) RH (+) SIG DRV MIR POSITION SENS UP (+) DOWN (-) SIG GRN/YEL WIRE GRY/BRN WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT LEFT TURN SIGNAL REPEATER LAMP LF MIRR MOTOR FOLD IN CONTROL LF MIRR MOTOR FOLD OUT CONTROL LH OUTSIDE REAR VIEW MIRR POS SENS LO REF LOGIC MIRROR DIMMING MIRRORS SYSTEM NAVIGATION SYSTEM OFF OUT REAR BODY WIRING HARNESS JUNCTION BLOCK RED/BLU WIRE RED/VIO WIRE RIGHT VIO/BLU WIRE VIO/RED WIRE WHT WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/YEL WIRE YEL/BRN WIRE YEL/WHT WIRE

AUTOSAR CAN BUS (+) 2 SERIAL DATA BLK WIRE BLK/WHT WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SENSOR BRAKE FLUID LEVEL SWITCH SIGNAL BRAKE MASTER CYLINDER) BRAKE SYSTEM CONTROL MODULE BRAKE WARNING IND BRN/BLU WIRE COMPUTER DATA LINES SYSTEM DOOR AJAR IND DRIVER INFORMATION CENTER DISPLAY FRONT BRAKE PAD WEAR SENSOR SIGNAL GRN/BLK WIRE GRN/GRY WIRE GRN/YEL WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE INSTRUMENT PANEL FUSE BLOCK LEFT FRONT DISC BRAKE PAD WEAR SENSOR LIN BUS 1 LOGIC NCA WIRE PARK BRAKE IND PARK BRAKE SWITCH PARKING BRAKE CONTROL SWITCH REAR BRAKE PAD WEAR SENSOR SIGNAL RED/VIO WIRE RIGHT REAR DISC BRAKE PAD WEAR SENSOR SEAT BELT IND TIRE PRESSURE IND WHT WIRE

AJAR SW SIG AUTO AUTO HIGH BEAM ASSIST SWITCH SIGNAL AUTO HIGH BEAM SWITCH AUTOSAR CAN BUS (+) 2 SERIAL DATA BLK WIRE BLK/ORG WIRE BLK/WHT WIRE BLU WIRE BLU/YEL WIRE BODY CONTROL MODULE (RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DR AJAR DRIVER FRONT SIDE DOOR LATCH DRIVER FRONT SIDE DOOR WINDOW REGULATOR MOTOR DRIVER SEAT BELT SW LOW REF DRIVER SEAT BELT SW SIG DRIVER SEAT BELT SWITCH DRIVER SEAT BELT BUCKLE FTP GRN/BRN WIRE GRN/GRY WIRE GRN/YEL WIRE GROUND 14 GRY WIRE GRY/BRN WIRE HEAD HEADLAMP SWITCH FLASH SIGNAL HEADLAMP SWITCH OFF SIGNAL HEADLAMP SWITCH ON SIGNAL HIGH BEAM SELECT SWITCH HIGH BEAM SIGNAL HOT AT ALL TIMES INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INSTRUMENT PANEL FUSE BLOCK LEFT REAR LEFT REAR SIDE DOOR LATCH LEFT REAR SIDE DOOR WINDOW SWITCH LIN BUS 4 LIN SERIAL DATA BUS 3 LOGIC NCA WIRE OFF ORG/BRN WIRE ORG/WHT WIRE PARK PASSENGER FRONT SIDE DOOR LATCH PASSENGER FRONT SIDE DOOR WINDOW REGULATOR MOTOR PASSENGER SEAT BELT SENSOR SIGNAL PASSENGER SEAT BELT SWITCH PASSENGER SEAT BELT BUCKLE RED/BLU WIRE RF DR AJAR SW SIG RIGHT REAR SIDE DOOR LATCH RIGHT REAR SIDE DOOR WINDOW SWITCH RR DR - SECONDARY FUSED BATTERY POSITIVE VOLTAGE 25 SERIAL DATA COMMU ENABLE SW SIG TURN SIGNAL SWITCH WHT WIRE WHT/VIO WIRE YEL/BRN WIRE

BATT POS VOLT BLK WIRE BLK/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (RIGHT SIDE OF DASH) BRN/GRN WIRE BRN/GRY WIRE CAN BUS (+) 2 COMPUTER DATA LINES SYSTEM DELAY SWITCH DRIVER INFORMATION CENTER DISPLAY GRY WIRE GRY/VIO WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER CONTROL MODULE INT LOW OFF INT LOW OFF HIGH LIGHTING CONTROL MODULE LOGIC LOW IND CTRL MIST MIST HIGH MTR PARK SW SIG RED/BRN WIRE SER DATA BUS 5 SERIAL DATA 2 UNDERHOOD FUSE BLOCK VIO WIRE WASHER RLY CTRL WASHER SW SIG WASHER SWITCH WHT WIRE WHT/BLK WIRE WHT/VIO WIRE WINDSHIELD WASHER PUMP WINDSHIELD WASHER PUMP RELAY WINDSHIELD WASHER SOLVENT CONTAINER LEVEL SENSOR WINDSHIELD WIPER MOTOR WINDSHIELD WIPER MOTOR RELAY WINDSHIELD WIPER MOTOR SPEED CONTROL RELAY WINDSHIELD WIPER MTR RLY COIL CTRL SW HI SIG WINDSHIELD WIPER SW HI SIG WINDSHIELD WIPER/WASHER SWITCH WIPER SW LOW REF WIPER SW LOW SIG WIPER SWITCH YEL/BLU WIRE YEL/BRN WIRE