Cadillac CT4-V I (2019-2024) computer data lines system Wiring diagrams

ACCELERATOR PEDAL POSITION SENSOR AUTOMATIC TRANSMISSION ASSEMBLY AUTOSAR BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/BLU WIRE BRN/RED WIRE CAN BUS (+) 2 COMPUTER DATA LINES SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK EVAPORATIVE EMISSION CANISTER VENT SOLENOID VALVE FUEL TANK PRESSURE SENSOR GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/YEL WIRE HOT AT ALL TIMES INTERNAL MODE MODE CONTROL X REAR BODY WIRING HARNESS JUNCTION BLOCK RED/BRN WIRE RED/VIO WIRE SERIAL DATA TRANSMISSION TRANSMISSION CONTROL MODULE TRANSMISSION INTERNAL MODE SWITCH VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/RED WIRE YEL/WHT WIRE

5-VOLT REF 1 BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COOLANT DIVERTER VALVE CTRL BANK 1 SENS 1 DIFFERENTIAL PRESS SENS SIG ENGINE BLOCK COOLANT ENGINE CONTROL MODULE (UNDERHOOD FUSE BLOCK) ENGINE CONTROL SENS ENGINE COOLANT ENGINE COOLANT TEMPERATURE SENSOR 5 ENGINE COOLANT TEMPERATURE SENSOR 6 ENGINE CTRL MODULE LIN BUS 1 ENGINE CTRL MODULE LIN BUS 2 ENGINE OIL LEVEL INDICATOR SWITCH EVAPORATIVE PURGE EXHAUST GAS TEMP SENS 2 SIG FLUID TEMP SENS SIG FUEL RAIL PRESS SENS SIG FUSED SUPPLY 5 GRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/VIO WIRE GRY/WHT WIRE HEATED OXYGEN SENSOR 1 LO REF 2 MODE SWITCH MODE CTRL Y MOTOR FEEDBACK SIG NCA WIRE OIL LEVEL SWITCH SIG OIL PRESS SENS SIG OIL TEMP SENS SIG POS SIG POWER MODULE WAKE-UP SIG POWERTRAIN MAIN RLY PRESSURE SENS SIG PUMP PRESS SIG RED/BLU WIRE TEMP SENS 1 LOW REF TEMP SENS 1 SIG TEMP SENS 2 LOW REF TEMP SENS 2 SIG TEMP SIG THROTTLE INLET ABSOLUTE TRANSMISSION INTERNAL TURBO CHARGER WASTEGATE VEHICLE SENS 5 VOLT REF 1 VEHICLE SENS LO REF 1 VIO WIRE VIO/BLU WIRE VIO/GRN WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/WHT WIRE

BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM CRANKCASE PRESSURE SENSOR GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/YEL WIRE INTAKE CAMSHAFT PROFILE ACTUATOR 1 INTAKE CAMSHAFT PROFILE ACTUATOR 2 INTAKE CAMSHAFT PROFILE ACTUATOR 3 INTAKE CAMSHAFT PROFILE ACTUATOR 4 LOGIC MASS AIRFLOW SENSOR RED/BLU WIRE VIO/BLU WIRE VIO/GRY WIRE WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRY WIRE

BATTERY FUSE BLOCK BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROLS IGNITION RELAY ENGINE COOLANT BYPASS VALVE ENGINE COOLANT FLOW CONTROL VALVE (REAR OF GENERATOR) ENGINE WIRING HARNESS JUNCTION BLOCK FRONT BUMPER SHUTTER ACTUATOR FUEL PUMP FUEL PUMP, LEVEL SENSOR ASSEMBLY (TOP OF FUEL TANK) GRN WIRE GRN/BLK WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/YEL WIRE HOT AT ALL TIMES LOGIC NCA WIRE PRIMARY FUEL LEVEL SENSOR RED/BLU WIRE RED/GRN WIRE SECONDARY FUEL LEVEL SENSOR UNDERHOOD AUXILIARY FUSE BLOCK VIO WIRE VIO/BLU WIRE VIO/GRY WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRY 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

BLK WIRE BLK/BLU WIRE BLK/BRN 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/BLU WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE BUS 1 COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENG OIL PUMP CTRL ENGINE CONTROL MODULE EVAPORATIVE EMISSION CANISTER PURGE PUMP EXHAUST CAMSHAFT POSITION ACTUATOR SOLENOID VALVE EXHAUST SENS 1 VOLT REF FIELD DUTY CYCLE SIG FUEL PUMP HIGH CTRL FUEL PUMP LOW CTRL GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRY WIRE GRY/BLU WIRE GRY/VIO WIRE GRY/YEL WIRE HI VOLT CTRL CYLINDER 1 HI VOLT CTRL CYLINDER 3 HI VOLT SPLY CYLINDER 1 HI VOLT SPLY CYLINDER 3 IGNITION CTRL 1 IGNITION CTRL 3 INSTRUMENT CLUSTER INTAKE CAMSHAFT POSITION ACTUATOR SOLENOID VALVE INTAKE POSI SENS 1 INTAKE SENS 1 VOLT REF KNOCK SENSOR #2 KNOCK SENSOR 1 LIN LOGIC MAIN RLY FUSED SPLY (1) MALFUNCTION IND OIL PUMP MOTOR CTRL STARTING/ CHARGING SYSTEM THROTTLE BODY (FRONT LEFT SIDE OF ENGINE) VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRY WIRE W/O WINDSHIELD HEAD-UP DISPLAY WHT WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/VIO WIRE YEL/WHT WIRE

BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BRN/BLU WIRE BRN/RED WIRE BUS (-) SERIAL DATA COMPUTER DATA LINES SYSTEM EVAP VENT SOL EVAPORATIVE EMISSION CANISTER VENT SOLENOID VALVE EXHAUST CAMSHAFT POSITION SENSOR FUEL PRESSURE FUEL PRESSURE SENS FUEL PUMP ASSEMBLY FUEL PUMP CTRL FUEL PUMP POWER CONTROL MODULE FUEL PUMP PRIMARY FUEL PUMP SUPPLY FUEL TANK FUEL TANK PRESSURE FUSED BATT GRN WIRE GRN/GRY WIRE GRY WIRE GRY/BLU WIRE GRY/VIO WIRE GRY/YEL WIRE HOT AT ALL TIMES INTAKE CAMSHAFT POSITION SENSOR LEVEL SENS SIG NCA WIRE PHASE 3 POSITIVE VOLTAGE 26 POWER MODULE POWERTRAIN CAN PRESSURE SENS SIG PRIMARY FUEL PRIVATE SERIAL DATA REAR BODY WIRING HARNESS JUNCTION BLOCK RED/VIO WIRE RELAY CTRL SECONDARY SECONDARY FUEL SENS 2 LO REF SENS LO REF SENS LOW REF SENS SIG SHIELD GND SUPPLY VOLTAGE VALVE CTRL VIO WIRE VIO/BLK WIRE VIO/BLU WIRE VOLTAGE PHASE 2 WAKE UP SIG WHT WIRE WHT/BRN WIRE WHT/RED WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/RED 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