Cadillac CT6 I facelift (2018-2023) Wiring diagram engine performance 4.2l vin j

A/C COMPRESSOR CLUTCH RELAY CTRL AIR CONDITIONING SYSTEM BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BRAKE PEDAL POSITION SENSOR BRN/WHT WIRE CAMSHAFT POS INTAKE SENSOR CTRL 1 CHECK ENGINE INDICATOR CTRL COOLING FAN CTRL SIGNAL COOLING FANS SYSTEM CYLINDER SHUTOFF SOLENOID CTRL 3 CYLINDER SHUTOFF SOLENOID CTRL 5 CYLINDER SHUTOFF SOLENOID CTRL 8 DEACTIVATION VALVE ROCKER ARM OIL CONTROL VALVE CYLINDER 5 ENGINE CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT) ENGINE CTRL SENSORS 5 VOLT REF (1) ENGINE CTRL SENSORS LOW REF (3) EVAP CANISTER PURGE SOLENOID CTRL EVAP CANISTER PURGE SOLENOID CTRL 2 EVAPORATIVE EMISSION PURGE SOLENOID VALVE BANK 1 EVAPORATIVE EMISSION PURGE SOLENOID VALVE BANK 2 FUEL RAIL PRESSURE SENSOR SIGNAL GRN WIRE GRN/BLU WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/WHT WIRE HEATED OXYGEN SENSOR BANK 1 SENSOR 2 HEATED OXYGEN SENSOR BANK 2 SENSOR 2 HEATED OXYGEN SENSOR HEATER LOW CTRL BANK 1 SENSOR 1 HEATED OXYGEN SENSOR HEATER LOW CTRL BANK 1 SENSOR 2 HEATED OXYGEN SENSOR HEATER LOW CTRL BANK 2 SENSOR 1 HEATED OXYGEN SENSOR HEATER LOW CTRL BANK 2 SENSOR 2 HEATED OXYGEN SENSOR HI SIGNAL BANK 1 SENSOR 2 HEATED OXYGEN SENSOR HI SIGNAL BANK 2 SENSOR 2 HEATED OXYGEN SENSOR LOW SIGNAL BANK 1 SENSOR 2 HEATED OXYGEN SENSOR LOW SIGNAL BANK 2 SENSOR 2 INTAKE MANIFOLD PRESSURE, AIR TEMPERATURE SENSOR BANK 2 MANIFOLD ABSOLUTE PRESSURE SENSOR LOW REF OIL PUMP COMMAND SIGNAL OIL PUMP MOTOR CTRL PARK PHASER LOCK CTRL PARK PHASER LOCK CTRL 2 TURBO BYPASS SOLENOID CTRL BANK 1 TURBO BYPASS SOLENOID CTRL BANK 2 TURBOCHARGER BYPASS SOLENOID VALVE 1 TURBOCHARGER BYPASS SOLENOID VALVE 2 VIO WIRE VIO/BLU WIRE VIO/GRN WIRE WHT WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE

BLK WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CRANKSHAFT POSITION SENSOR DEACTIVATION VALVE ROCKER ARM OIL CONTROL VALVE CYLINDER 2 DEACTIVATION VALVE ROCKER ARM OIL CONTROL VALVE CYLINDER 3 DEACTIVATION VALVE ROCKER ARM OIL CONTROL VALVE CYLINDER 8 DRIVER INFORMATION CENTER DISPLAY ENGINE OIL LEVEL IND ENGINE OIL PRESSURE CONTROL SOLENOID VALVE EXHAUST CAMSHAFT POSITION SENSOR (BANK 1) FUEL GAUGE IND FUEL IND FUEL PRESSURE, TEMPERATURE SENSOR GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/RED WIRE GRY/WHT WIRE IGN INSTRUMENT CLUSTER INTAKE CAMSHAFT POSITION ACTUATOR PARK LOCK SOLENOID VALVE BANK 1 INTAKE CAMSHAFT POSITION ACTUATOR PARK LOCK SOLENOID VALVE BANK 2 INTAKE CAMSHAFT POSITION SENSOR (BANK 1) INTAKE MANIFOLD PRESSURE, AIR TEMPERATURE SENSOR BANK 1 LO SPD GMLAN MOST SERIAL SERIAL DATA (+) DATA 2 LOGIC MALFUNCTION IND POWER DISTRIBUTION SYSTEM RUN/CRANK IGN 1 VOLT TAN WIRE VIO WIRE VIO/BLK WIRE VIO/BLU WIRE VIO/GRY WIRE VIO/WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/VIO 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 BRAKE SIGNAL BRN WIRE BRN/GRY WIRE BRN/WHT WIRE CAMSHAFT POS INTAKE CAMSHAFT POSITION CAMSHAFT POSITION INTAKE CRANKCASE PRESSURE SENSOR CRUISE CONTROL SYSTEM CRUISE/ETC/TCC CYLINDER SHUTOFF ENGINE CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT) ENGINE CTRL EXHAUST CAMSHAFT POSITION SENSOR (BANK 2) FUSED SUPPLY 2 GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/RED WIRE GRY/WHT WIRE HEATED OXYGEN SENSOR BANK 1 SENSOR 1 HEATED OXYGEN SENSOR BANK 2 SENSOR 1 HOT W/ IGNITION MAIN RELAY ENERGIZED IGNITION 1 VOLTAGE IGNITION CONTROL LOW INTAKE CAMSHAFT POSITION SENSOR (BANK 2) INTAKE SENSOR LOW REF 2 LEFT UNDERHOOD FUSE BLOCK MANIFOLD ABSOLUTE MASS AIR FLOW/ POSITION EXHAUST SENSOR 1 POSITION EXHAUST SENSOR 2 POSITION INTAKE SENSOR 1 POSITION INTAKE SENSOR 2 POWERTRAIN MAIN RELAY REF BANK (1) REF BANK 2 RUN/CRANK SENSOR CTRL 2 SENSOR LOW REF SENSOR LOW REF 1 SENSOR SIGNAL 2 SENSORS 5 VOLT REF (2) SENSORS LOW REF (1) SIGNAL GROUND SOL CTRL 2 VIO/BLK WIRE VIO/BLU WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRY WIRE YEL/VIO WIRE YEL/WHT WIRE

BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BRN WIRE BRN/GRY WIRE BRN/WHT WIRE ENGINE CONTROLS IGNITION RELAY FUEL INJECTOR 7 GRN WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED KNOCK SENSOR BANK 1 SENSOR 1 KNOCK SENSOR BANK 2 SENSOR 1 REAR BODY FUSE BLOCK RIGHT UNDERHOOD FUSE BLOCK TURBOCHARGER WASTEGATE ACTUATOR BANK 1 TURBOCHARGER WASTEGATE ACTUATOR BANK 2 USED) VIO/BLU WIRE VIO/GRY WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/WHT WIRE

ACTUATOR 2 CLOSE CTRL 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/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/WHT WIRE CAM PHASER X LOW REF CAM PHASER Y LOW REF CAM PHASER Z LOW REF CAMSHAFT PHASER COLLECTOR SIGNAL CTRL CLOSE CURRENT ADJUST SIGNAL CURRENT PUMP SIGNAL DEF POWER MODULE RELAY CTRL DIRECT FUEL INJECTOR (DFI) HI ENGINE CONTROL MODULE ENGINE COOLANT TEMPERATURE SENSOR ENGINE OIL PRESSURE, TEMPERATURE SENSOR EXHAUST SOL (1) EXHAUST SOL 2 FUEL PRESSURE SENSOR (ON FUEL LINE ABOVE FUEL TANK) FUEL PUMP PRIMARY GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE HEATED OXYGEN HEATED OXYGEN SENSOR HEATED OXYGEN SENSOR 2 HI VOLTAGE SPLY CYLINDER 7 INTAKE CAMSHAFT POSITION ACTUATOR SOLENOID VALVE BANK 2 INTAKE SOLENOID 2 KNOCK SENSOR 3 LOW REF KNOCK SENSOR 4 LOW REF KNOCK SENSOR LOW REF 1 KNOCK SENSOR LOW REF 2 KNOCK SENSOR SIGNAL 1 KNOCK SENSOR SIGNAL 2 KNOCK SENSOR SIGNAL 3 KNOCK SENSOR SIGNAL 4 MOTOR 2 CLOSE CTRL MOTOR 2 OPEN CTRL MOTOR OPEN CTRL OPEN CTRL RED WIRE RELAY (PPEI 3) CTRL RELAY CTRL SENSOR 2 COMMON SENSOR GROUND SOLENOID RELAY CTRL STARTER ENABLE STARTER PINION STARTING/ CHARGING SYSTEM THROTTLE THROTTLE ACTUATOR THROTTLE ACTUATOR 2 THROTTLE ACTUATOR CTRL OPEN THROTTLE INLET ABSOLUTE PRESSURE SENSOR BANK 1 THROTTLE INLET ABSOLUTE PRESSURE SENSOR BANK 2 TURBO CHARGER WASTEGATE VIO/BLU WIRE VIO/GRY WIRE VOLTAGE CONTROL CYLINDER 4 VOLTAGE SUPPLY CYLINDER 4 WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/VIO WIRE YEL/WHT WIRE

BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/WHT WIRE DRIVE MODE SELECT SWITCH (IN CENTER CONSOLE) EXHAUST CAMSHAFT POSITION ACTUATOR SOLENOID VALVE BANK 1 EXHAUST CAMSHAFT POSITION ACTUATOR SOLENOID VALVE BANK 2 FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 3 FUEL INJECTOR 4 FUEL INJECTOR 6 GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE INTAKE CAMSHAFT POSITION ACTUATOR SOLENOID VALVE BANK 1 KNOCK SENSOR BANK 1 SENSOR 2 KNOCK SENSOR BANK 2 SENSOR 2 VIO WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/GRY WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/WHT WIRE

ACCELERATOR PEDAL ACCELERATOR PEDAL POSITION SENSOR ACTUATOR HI CTRL BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE POS SENSOR SIGNAL BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE CAM PHASER INTAKE SOL 1 CAM PHASER W LOW REF DIRECT FUEL INJECTOR (DFI) HI DOOR LOCKS SYSTEM ECT SENSOR SIGNAL ENGINE CONTROL MODULE FUEL HI PRESSURE PUMP FUEL LINE PRESSURE FUEL SAVER MODE GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE HI PRESSURE FUEL PUMP HI SIDE SUPPLY HOOD STATUS A SIGNAL LOGIC MANIFOLD ABSOLUTE MOTOR CLOSE CTRL OIL PRESSURE SENSOR SIGNAL POSITION LOW REF 1 POSITION LOW REF 2 POSITION SIGNAL 1 POSITION SIGNAL 2 PRESSURE SENSOR 2 SIGNAL PRESSURE SENSOR SIGNAL SENSOR SIGNAL SENSOR SIGNAL BANK 2 THROTTLE INLET ABSOLUTE THROTTLE POSITION TURBO CHARGER WASTEGATE TURBO INTAKE PRESSURE VIO WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/GRY WIRE VOLTAGE CONTROL CYLINDER 1 VOLTAGE CONTROL CYLINDER 2 VOLTAGE CONTROL CYLINDER 3 VOLTAGE CTRL CYLINDER 6 VOLTAGE SUPPLY CYLINDER 1 VOLTAGE SUPPLY CYLINDER 6 WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/WHT WIRE

AMBIENT AIR TEMPERATURE SENSOR BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/BLU WIRE BRN/RED WIRE CRANKCASE DIFFERENTIAL DIRECT FUEL INJECTOR (DFI) HI ENGINE CONTROL EVAPORATIVE EMISSION VENT SOLENOID VALVE FUEL HI PRESSURE FUEL LEVEL SENSOR ASSEMBLY FUEL PUMP FUEL PUMP, LEVEL SENSOR ASSEMBLY (TOP RIGHT OF FUEL TANK) GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/BRN WIRE GRY/WHT WIRE HI PRESSURE FUEL LOW REFERENCE MOTOR 2 FEEDBACK SIGNAL MOTOR FEEDBACK SIGNAL NCA WIRE OIL TEMPERATURE OUTSIDE AMBIENT AIR POWERTRAIN MAIN PRE-THROTTLE AIR PRESSURE SENSOR SIGNAL PRIMARY FUEL LEVEL SENSOR PUMP ACTUATOR LOW CTRL PUMP LOW ENABLE RED/GRN WIRE RELAY FUSED SPLY 5 SECONDARY FUEL LEVEL SENSOR SENSOR 2 CTRL SENSOR LOW REF SENSOR SIGNAL SENSORS LOW REF 2 TEMP, PRESS TEMPERATURE SENSOR SIGNAL THROTTLE POSITION THROTTLE POSITION SENSOR 2 TURBO CHARGER WASTEGATE VIO/BLK WIRE VIO/BLU WIRE VOLTAGE CONTROL CYLINDER 2 VOLTAGE CONTROL CYLINDER 3 VOLTAGE CONTROL CYLINDER 5 VOLTAGE CONTROL CYLINDER 8 VOLTAGE SUPPLY CYLINDER 5 VOLTAGE SUPPLY CYLINDER 8 WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/GRY WIRE YEL/VIO WIRE

BATTERY POSITIVE BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLU WIRE BLU/BRN WIRE BLU/VIO WIRE BLU/WHT WIRE BUS ENABLE COMPUTER DATA LINES SYSTEM CONTROLLER DATA OUT SIGNAL EVAP CANISTER FUEL INJECTOR 5 FUEL INJECTOR 8 FUEL LEVEL SENSOR FUEL LEVEL SENSOR 2 FUEL PUMP FUEL PUMP CTRL FUEL PUMP DRIVER CONTROL MODULE (REAR OF RIGHT REAR WHEELWELL) FUEL PUMP SUPPLY FUEL TANK PRESSURE SENSOR FUEL TANK VAPOR GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/BRN WIRE GRY/WHT WIRE HI SPEED GMLAN HIGH PRESSURE FUEL PUMP BANK 1 HIGH PRESSURE FUEL PUMP BANK 2 HOT AT ALL TIMES IGNITION 1 VOLTAGE LEVEL SENSOR SIGNAL LOW REF NCA WIRE POWERTRAIN SENSOR PRESS SENSOR PRESSURE PRIMARY FUEL LEVEL REAR BODY FUSE BLOCK RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RUN/CRANK SECONDARY FUEL SENSOR SIGNAL SERIAL DATA (-) 7 SHIELD GROUND VENT SOLENOID CTRL VIO/BLK WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/WHT WIRE VOLTAGE VOLTAGE PHASE 2 VOLTAGE PHASE 3 WHT WIRE WHT/BRN WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/GRY WIRE YEL/RED WIRE YEL/VIO WIRE

BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BRN/BLU WIRE GRN/BLU WIRE GRN/GRY WIRE IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 IGNITION COIL 5 IGNITION COIL 6 IGNITION COIL 7 IGNITION COIL 8 NCA WIRE RED/WHT WIRE SPARK PLUG VIO/BLU WIRE VIO/WHT WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE

BATTERY POSITIVE VOLTAGE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE CHARGE INDICATOR CTRL COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT) ENGINE CTRL MODULE LOCAL INTERCONNECT NETWORK 5 HI SPD GMLAN SERIAL DATA (+) 3 ENGINE OIL LEVEL SWITCH GENERATOR FIELD DUTY CYCLE SIGNAL GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE HI SPD GMLAN SERIAL DATA (+) (3) HI SPD GMLAN SERIAL DATA (-) (1) HI SPEED GMLAN SERIAL DATA (+) 7 HOT W/ IGNITION MAIN RELAY ENERGIZED IGNITION CTRL 2 IGNITION CTRL 3 IGNITION CTRL 4 IGNITION CTRL 5 IGNITION CTRL 1 IGNITION CTRL 6 IGNITION CTRL 7 IGNITION CTRL 8 LEFT UNDERHOOD FUSE BLOCK LIN SERIAL DATA BUS 22 LOCAL INTERCONNECT NETWORK BUS 32 MASS AIR FLOW SENSOR SIGNAL MULTI-FUNCTION INTAKE AIR SENSOR BANK 1 MULTI-FUNCTION INTAKE AIR SENSOR BANK 2 OIL LEVEL SWITCH SIGNAL POWERTRAIN MAIN RELAY FUSED SPLY 1 POWERTRAIN MAIN RELAY FUSED SPLY 3 POWERTRAIN MAIN RELAY FUSED SUPPLY 1 POWERTRAIN RELAY COIL CTRL RED/WHT WIRE SIGNAL GROUND SIGNAL GROUND SIGNAL GROUND STARTING/ CHARGING SYSTEM STARTING/CHARGING SYSTEM VIO/BLU WIRE VIO/WHT WIRE WHT WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE