Cadillac CT4-V I (2019-2024) engine control module (under fuse block underhood) Wiring diagrams

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

ACTUATOR RLY CTRL BUS (-) SERIAL DATA BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/YEL WIRE BODY CONTROL MODULE (RIGHT SIDE OF DASH) BUS (+) 3 SERIAL DATA BUS (-) 2 SERIAL DATA BUS (-) SERIAL DATA CAN BUS (-) 3 SER DATA COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (UNDER FUSE BLOCK UNDERHOOD) GRN/BLK WIRE GRN/YEL WIRE GROUND HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN MODE SW MODE VLT IGN MODE SW SIG 2 IGNITION MODE SWITCH INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK MULTI-FUNCTION POWER SUPPLY CONVERTER PASSIVE START SW 2 LOW REF POWER DISTRIBUTION SYSTEM REAR BODY WIRING HARNESS JUNCTION BLOCK RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE RUN/CRANK IGN 1 VOLT 4 STARTER PINION SENS 5 VOLT REF 1 SERIAL DATA GATEWAY MODULE (LEFT SIDE OF DASH) STARTER ENABLE RLY CTRL TRENS INTERNAL MODE SW MODE CTRL Y VEHICLE SENS LOW REF 1 VIO/GRN WIRE WHT WIRE WHT/RED WIRE YEL/BLK WIRE YEL/VIO WIRE

A/C COMPRESSOR CLUTCH RLY CTRL A/C REFRIGERANT PRESS SENS SIG ACCELERATOR PEDAL POS LO REF 1 ACCELERATOR PEDAL POS LO REF 2 ACCELERATOR PEDAL POS SIG 1 ACCELERATOR PEDAL POS SIG 2 AIR CONDITIONING SYSTEM AMBIENT AIR TEMP SENS SIG AUTOSAR CAN BUS (+) 2 SERIAL DATA AUTOSAR CAN BUS (+) 3 SERIAL DATA BATT POS VOLT 4 BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE POS SENS SIG BRN/BLU WIRE BRN/RED WIRE CAMSHAFT EXHAUST LOBE AXIAL POS SIG 1 CAMSHAFT EXHAUST LOBE AXIAL POS SIG 2 CAMSHAFT EXHAUST STEPPER CYLINDER 2 FRONT SOL CTRL CAMSHAFT EXHAUST STEPPER CYLINDER 2 POS SIG CAMSHAFT EXHAUST STEPPER CYLINDER 2 REAR SOL CTRL CAMSHAFT EXHAUST STEPPER CYLINDER 3 FRONT SOL CTRL CAMSHAFT EXHAUST STEPPER CYLINDER 3 POS SIG CAMSHAFT EXHAUST STEPPER CYLINDER 3 REAR SOL CTRL CAMSHAFT INTAKE LOBE AXIAL POS SIG 1 CAMSHAFT INTAKE LOBE AXIAL POS SIG 2 CAMSHAFT INTAKE STEPPER CYLINDER 4 FRONT SOL CTRL CAMSHAFT INTAKE STEPPER CYLINDER 4 REAR SOL CTRL CAMSHAFT POS MOTOR CONTROL A CAMSHAFT POS MOTOR CONTROL B CAMSHAFT POS MOTOR CONTROL C CAMSHAFT POS MOTOR CONTROL D CAMSHAFT POS MOTOR POS SENSOR 1 SIG CAMSHAFT POS MOTOR POS SENSOR 2 SIG CAMSHAFT POS SENSOR 2 GROUND COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG DRIVELINE MOUNT ACTUATOR 1 CTRL ENGINE CONTROL MODULE (UNDER FUSE BLOCK UNDERHOOD) ENGINE CTRL MODULE LIN BUS 4 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 HOOD STATUS A SIG MASS AIR FLOW SENS SIG POWER DISTRIBUTION SYSTEM POWERTRAIN MAIN RLY FUSED SUPLY 1 POWERTRAIN MAIN RLY FUSED SUPLY 2 POWERTRAIN RLY COIL CTRL PRIVATE SERIAL DATA POWERTRAIN CAN BUS (+) SERIAL DATA RED/BRN WIRE RUN/CRANK IGNITION 1 VOLT 4 STARTER ENABLE RLY CTRL STARTER PINION SOL ACTUATOR 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 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

A/C COMPRESSOR CLTH RLY CTRL A/C REFRIGERANT PRESS SENS SIG ACCELERATOR PEDAL POSI LOW REF 1 ACCELERATOR PEDAL POSI LOW REF 2 ACCELERATOR PEDAL POSI SIG 1 ACCELERATOR PEDAL POSI SIG 2 ACCELERATOR PEDAL POSITION SENSOR AIR CONDITIONING SYSTEM AMBIENT AIR TEMP SENS SIG AMBIENT AIR TEMPERATURE SENSOR ANTI-THEFT SYSTEM BATT POS VOLT 4 BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRK POS SENS SIG BRN/BLU WIRE BRN/RED WIRE CAMSHAFT MTR POSI SENS 1 SIG CAMSHAFT MTR POSI SENS 2 SIG CAMSHAFT POSI MTR CTRL A CAMSHAFT POSI MTR CTRL B CAMSHAFT POSI MTR CTRL C CAMSHAFT POSI MTR CTRL D CAMSHAFT POSI SENS 2 GND CAN BUS (+) 3 SERIAL DATA CAN BUS (-) 2 SERIAL DATA CAN BUS (-) SERIAL DATA COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG CYLINDER 2 FRONT SOL CTRL CYLINDER 2 REAR SOL CTRL CYLINDER 3 FRONT SOL CTRL CYLINDER 3 REAR SOL CTRL CYLINDER 4 FRONT SOL CTRL CYLINDER 4 POSI SENS SIG CYLINDER 4 REAR SOL CTRL DRIVELINE MOUNT ACTU 1 CTRL ENGINE CONTROL MODULE (UNDER FUSE BLOCK UNDERHOOD) ENGINE WIRING HARNESS JUNCTION BLOCK EXHAUST LOBE AXIAL POSI SIG 1 EXHAUST LOBE AXIAL POSI SIG 2 FRONT BUMPER SHUTTER ACTUATOR FUEL PUMP PRIMARY RLY CTRL GND 61 POWERTRAIN MAIN RLY FUSED SPLY 1 GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/VIO WIRE HOOD STATUS A SIG HOT AT ALL TIMES INTAKE LOBE AXIAL POSI SIG 1 INTAKE LOBE AXIAL POSI SIG 2 LIN BUS 4 LOGIC MASS AIR FLOW SENS SIG MASS AIRFLOW SENSOR ORG/GRN WIRE POWERTRAIN MAIN RLY FUSED SPLY 2 POWERTRAIN RLY COIL CTRL RED/BRN WIRE RUN/CRANK IGN 1 VOLT 4 STARTER ENABLE RLY CTRL STARTER PINION SOL ACTU 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 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

ABSOLUTE PRESS SENS SIG BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COOLANT TEMP SENS 2 SIG ENGINE BLOCK COOLANT TEMP SIG ENGINE CONTROL MODULE (UNDER FUSE BLOCK UNDERHOOD) ENGINE CTRL MODULE LIN BUS 1 ENGINE CTRL MODULE LIN BUS 2 ENGINE CTRL SENS 5 VOLT REF 1 ENGINE CTRL SENS LOW REF 1 ENGINE CTRL SENS LOW REF 2 ENGINE OIL TEMPERATURE SENSOR EVAP PURGE PUMP PRESS SIG FEEDBACK SIG FUEL PRESSURE SENSOR FUEL RAIL PRESS SENS SIG FUEL TANK PRESSURE SENSOR GND 61 GRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/VIO WIRE GRY/WHT WIRE HEATER LOW CTRL BANK 1 SENS 1 NCA WIRE OIL PRESS SENS SIG OIL TEMP SENS SIG POWERTRAIN MAIN RLY FUSED SPLY 5 RADIATOR COOLANT TEMPERATURE SENSOR TEMP SENS SIG VALVE POS SIG VIO WIRE VIO/BLU WIRE VIO/GRN WIRE WAKEUP SIG WHT WIRE WHT/RED WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/RED WIRE YEL/WHT WIRE