Cadillac XT4 I (2018-2023) yel/blk Wiring diagrams

ACCESSORY WAKEUP SERIAL DATA BLK WIRE BLK/WHT WIRE BLOWER MOTOR BLU WIRE BLU/BLK WIRE BODY CONTROL MODULE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER WINDOW SWITCH ENGINE CONTROL MODULE FROM INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 5 OF 7) FUEL PUMP DRIVER CONTROL MODULE GRN WIRE GRY WIRE HANDS-FREE LIFTGATE CONTROL MODULE HIGH SPEED GMLAN SERIAL DATA (+) 3 IGN MODE SW START LED SIG IGN MODE SWITCH MODE VOLT IGNITION MODE SWITCH INTERIOR KEYLESS ENTRY CONTROL MODULE LIFTGATE CONTROL MODULE LIGHTS SYSTEM PASSENGER WINDOW SWITCH PASSIVE START SW 2 LOW REF PASSIVE START SW SIG 2 POWER SUPPLY TRANSFORMER PUSH BUTTON START CHALLENGE ACTIVE SIG REAR DIFFERENTIAL CLUTCH CONTROL MODULE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RUN/CRANK IGN 1 VOLTAGE SPLY VOLTAGE 1 SPLY VOLTAGE 2 STARTER ENABLE RLY CTRL STARTER RELAY TO IGNITION MAIN RELAY (DIAGRAM 4 OF 7) TO INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 7 OF 7) VIO WIRE VIO/GRY WIRE VIO/YEL WIRE W/ MEMORY WHT WIRE YEL WIRE YEL/BLK WIRE YEL/VIO WIRE

BLK WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DOOR LOCKS SYSTEM DOWN DRIVER WINDOW MOTOR DRIVER WINDOW SWITCH EXPRESS GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES ILL INSTRUMENT PANEL FUSE BLOCK LEFT FRONT WINDOW DOWN SWITCH LEFT FRONT WINDOW EXPRESS SWITCH LEFT FRONT WINDOW UP SWITCH LEFT REAR WINDOW DOWN SWITCH LEFT REAR WINDOW EXPRESS SWITCH LEFT REAR WINDOW UP SWITCH LOCKOUT IND LOCKOUT SWITCH LOGIC PASSENGER WINDOW MOTOR PASSENGER WINDOW SWITCH POWER DISTRIBUTION SYSTEM RED/BLU WIRE RED/BRN WIRE RED/WHT WIRE RIGHT FRONT WINDOW DOWN SWITCH RIGHT FRONT WINDOW EXPRESS SWITCH RIGHT FRONT WINDOW UP SWITCH RIGHT REAR WINDOW DOWN SWITCH RIGHT REAR WINDOW EXPRESS SWITCH RIGHT REAR WINDOW UP SWITCH UNDERHOOD FUSE BLOCK VIO/GRY WIRE YEL/BLK WIRE

BATT POSITIVE VOLT BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU/RED WIRE BLU/WHT WIRE BRN/BLK WIRE COMPUTER DATA LINES SYSTEM GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/YEL WIRE GRY WIRE HIGH HEAT IND HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT REAR BACK SEAT HEATING ELEMENT LEFT REAR CUSHION SEAT HEATING ELEMENT LEFT REAR CUSHION/ BACK SWITCH LOGIC LOW HEAT IND MED HEAT IND LR CUSHION NTC LO REF LR CUSHION NTC SIG LR HEATED SEAT CUSHION ELEMENT CTRL LR HEATED SEAT CUSHION ELEMENT LO REF LR SEAT BACK NTC SIG REAR SEAT HEATING CONTROL MODULE (UNDER LEFT REAR SEAT CUSHION) RED WIRE RED/GRY WIRE RED/YEL WIRE RIGHT REAR BACK SEAT HEATING ELEMENT RIGHT REAR CUSHION SEAT HEATING ELEMENT RIGHT REAR CUSHION/ BACK SWITCH RR CUSHION NTC LO REF RR CUSHION NTC SIG RR HEATED SEAT CUSHION ELEMENT CTRL RR HEATED SEAT ELEMENT LO REF RR SEAT BACK NTC LO REF RR SEAT BACK NTC SIG SEAT HEATING SWITCH SERIAL DATA BUS 2 WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

"CHECK ENGINE" IND CTRL A/C COMPRESSOR CLUTCH RLY CTRL A/C REFRIGERANT PRESS SENS SIG ACCELERATOR PEDAL POSITION LO REF 1 ACCELERATOR PEDAL POSITION LO REF 2 ACCELERATOR PEDAL POSITION SIG 1 ACCELERATOR PEDAL POSITION SIG 2 ACCESSORY WAKEUP SERIAL DATA AIR CONDITIONING SYSTEM ANTI-LOCK BRAKES SYSTEM ANTI-THEFT SYSTEM BATT POS VOLT BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/WHT WIRE BRAKE POSITION SENS SIG BRN/RED WIRE BRN/WHT WIRE CAMSHAFT CAM W SIG CAMSHAFT CAM X GND CAMSHAFT CAM X SIG CAMSHAFT CAM Y GND CAMSHAFT CAM Z CTRL CAMSHAFT CAM Z GND CAMSHAFT CAM Z SIG CAMSHAFT EXHAUST LOBE AXIAL POSITION SIG (1) CAMSHAFT EXHAUST LOBE AXIAL POSITION SIG (2) CAMSHAFT INTAKE LOBE AXIAL POSITION SIG (1) CAMSHAFT INTAKE LOBE AXIAL POSITION SIG (2) CAMSHAFT STEPPER A CTRL CAMSHAFT STEPPER B CTRL CAMSHAFT STEPPER C CTRL CAMSHAFT STEPPER D CTRL CAMSHAFT STEPPER POSITION SEN 1 SIG CAMSHAFT STEPPER POSITION SEN 2 GND CAMSHAFT STEPPER POSITION SEN 2 SIG CAMSHAFT STEPPER POSITION SENS SIG COMPUTER DATA LINES SYSTEM COOLING FAN CTRL SIG COOLING FANS SYSTEM CRUISE/ETC/TCC BRAKE SIG ENGINE CONTROL MODULE (ENGINE COMPT, RIGHT SIDE OF BATTERY) FUEL PUMP PRIMARY 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 HEATER CORE OUTLET TEMP SIG HI SPD GMLAN SERIAL DATA (+) (3) HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) 7 HOOD OPEN SW SIG MASS AIR FLOW SEN SIG OUTSIDE AMBIENT AIR TEMP SEN SIG POWERTRAIN MAIN RLY FUSED SUPLY 2 POWERTRAIN MAIN RLY FUSED SUPLY 3 POWERTRAIN RLY COIL CTRL RED/WHT WIRE RUN/CRANK IGNITION 1 VOLT SERIAL DATA BUS 24 SIG GND STARTER ENABLE RLY CTRL STARTER PINION SOL RLY CTRL STARTING/ CHARGING SYSTEM STEP CAM A CTRL STEP CAM B CTRL 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

5-VOLT REF 1 5-VOLT REF 2 AUTO STOP START IND CTRL AUTO STOP START SW SIG BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE APLY SENS BRAKE APLY SENS CRTL BRAKE APLY SENS SIG BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/WHT WIRE COLLECTOR SIG COMPUTER DATA LINES SYSTEM COOLANT DIVERTER VALVE COOLANT TEMP SENS 2 SIG COOLING FANS SYSTEM CURR ADJUST SIG CURR PUMP SIG DRIVER MODE SW SIG ENGINE BLOCK COOLANT ENGINE CONTROL MODULE (ENGINE COMPT, RIGHT SIDE OF BATTERY) ENGINE CONTROL SENS ENGINE COOLANT TEMPERATURE SENSOR 1 ENGINE COOLANT TEMPERATURE SENSOR 4 ENGINE COOLANT TEMPERATURE SENSOR 5 ENGINE COOLANT TEMPERATURE SENSOR 6 ENGINE CTRL SENS LO REF (3) ENGINE OIL LEVEL SWITCH ENGINE OIL PRESSURE SENSOR EVAPORATIVE PURGE FUEL RAIL PRESS SENS SIG FUSED SUPLY 5 GRN WIRE GRN/BLU WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/VIO WIRE GRY/WHT WIRE HEATED OXYGEN SENS HEATED OXYGEN SENS GND HEATED OXYGEN SENS HEATER HEATED OXYGEN SENSOR 1 HEATER CORE INLET HI SPD GMLAN LO CTRL BANK 1 SENS (1) LO REF LO REF 2 MOTOR FEEDBACK SIG NCA WIRE OIL LEVEL SENS LO REF OIL PRESS SENS SIG OIL TEMP SENS SIG POSITION SIG POWERTRAIN MAIN RLY POWERTRAIN SENS BUS ENABLE PUMP PRESS SIG SENS SIG BANK (1) SERIAL DATA (-) (1) SERIAL DATA BUS 21 SERIAL DATA BUS 22 SIG GND TEMP SIG TEMPERATURE SIG TRACTION CTRL SW SIG 1 TURBO CHARGER WASTEGATE TURBO INTAKE PRESS VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/WHT WIRE

AMBIENT AIR TEMPERATURE SENSOR BLK/BRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BRN/BLU WIRE BRN/GRY WIRE ENGINE COOLANT TEMPERATURE SENSOR 2 ENGINE COOLANT TEMPERATURE SENSOR 3 ENGINE OIL TEMPERATURE SENSOR EVAPORATIVE EMISSION PURGE SOLENOID VALVE EVAPORATIVE EMISSION VENT SOLENOID VALVE FUEL TANK PRESSURE SENSOR GRN WIRE GRN/BLU WIRE RADIATOR COOLANT TEMPERATURE SENSOR RED/YEL WIRE RIGHT SIDE OF RADIATOR) TURBOCHARGER BYPASS SOLENOID VALVE VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE

BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM DATA (-) 7 EVAP SOL CTRL EVAPORATIVE EMISSION PURGE PUMP FUEL PUMP CTRL FUEL PUMP DRIVER CONTROL MODULE FUEL TANK VAPOR GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRY WIRE HI SPD GMLAN HOT AT ALL TIMES LOGIC PRESS SENS LO REF PRIMARY RLY CTRL PRIMARY SENS SIG RED/VIO WIRE RED/YEL WIRE RUN/CRANK IGN 1 SEC SENS SIG SENS 2 LO REF SENS BUS ENABLE SENS LO REF SENS SIG SERIAL SERIAL DATA (-) 7 SHIELD GND UNDERHOOD FUSE BLOCK VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE VOLT PHASE 2 VOLT PHASE 3 WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/RED WIRE YEL/WHT WIRE

ACCELERATOR PEDAL POSITION SENSOR ACTIVE GRILLE AIR SHUTTER ACTUATOR (FRONT CENTER OF ENGINE COMPT, NEAR GRILLE) BATTERY FUSE BLOCK BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROLS IGNITION RELAY FUEL FUEL LEVEL FUEL PUMP FUEL PUMP, LEVEL SENSOR ASSEMBLY (IN FUEL TANK) GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED LOGIC PRIMARY FUEL LEVEL SENSOR RED/WHT WIRE RED/YEL WIRE SECONDARY FUEL LEVEL SENSOR UNDERHOOD AUXILIARY FUSE BLOCK UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/WHT WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE CHECK COMPUTER DATA LINES SYSTEM CRANK CTRL DATA 2 (+) DRIVER INFORMATION CENTER DISPLAY ENGINE ENGINE COOLANT TEMPERATURE IND EXHAUST CAMSHAFT PROFILE ACTUATOR 2 FUEL GAUGE IND GMLAN GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/YEL WIRE IGNITION 1 IND INSTRUMENT CLUSTER INTAKE CAMSHAFT PROFILE ACTUATOR 1 INTAKE CAMSHAFT PROFILE ACTUATOR 2 INTAKE CAMSHAFT PROFILE ACTUATOR 3 INTAKE CAMSHAFT PROFILE ACTUATOR 4 LO SPD LOGIC MALFUNCTION IND MULTI-FUNCTION INTAKE AIR SENSOR OIL LEVEL IND RED WIRE RED/WHT WIRE RUN/ SERIAL SIG VIO WIRE VIO/BLK WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE VOLT WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/VIO WIRE YEL/WHT WIRE

A/C REFRIGERANT PRESSURE SENSOR BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE CRANKCASE PRESSURE SENSOR DRIVE MODE SELECT SWITCH EXHAUST CAMSHAFT PROFILE ACTUATOR 3 (TOP RIGHT OF ENGINE, AT CYLINDER 3) FUEL PRESSURE SENSOR 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 LOGIC RED WIRE RED/WHT WIRE THROTTLE INLET ABSOLUTE PRESSURE SENSOR TURBOCHARGER WASTEGATE ACTUATOR VIO WIRE VIO/BLK WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/VIO WIRE YEL/WHT WIRE