Cadillac Lyriq I (2022-2024) computer data lines system Wiring diagrams

AUTOSAR CAN BUS (-) 9 SERIAL DATA AUTOSAR CAN BUS (-) 9 SERIAL DATA INT PASS ENTRY ANT 2 HIGH SIG BATT POS VOLTAGE BLK WIRE BLU WIRE BLU/GRN WIRE BLU/WHT WIRE BODY CONTROL MODULE (LOWER LEFT END OF DASH) BRN/BLK WIRE BRN/GRN WIRE BRN/WHT WIRE BRN/YEL WIRE CHILD SECURITY LOCK ACTR STATUS SIG LF RR CHILD SECURITY LOCK ACTR STATUS SIG RH RR COMPUTER DATA LINES SYSTEM DR LOCK ACTR LOCK CTRL 2 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/VIO WIRE HOOD STATUS B SIG HOT AT ALL TIMES IMMOBILIZER ANT LOW SIG IMMOBILIZER ANT SIG (+) BATT POS VOLTAGE INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK INT PASS ENTRY ANT 1 HIGH SIG INT PASS ENTRY ANT 1 LOW SIG INT PASS ENTRY ANT 2 LOW SIG LF DR OPEN SW SIG LF DR UNLATCH ACTR UNLATCH CTRL LOW FREQUENCY CONSOLE ANTENNA LOW FREQUENCY CONSOLE NUMBER 2 ANTENNA LOW FREQUENCY REAR BUMPER ANTENNA LOW FREQUENCY REAR COMPARTMENT ANTENNA LR DOOR EXTR SW UNLOCK SIG LR DR LOCK ACTR UNLOCK CTRL LR DR LOCK IND CTRL LR DR LOCK STATUS SIG LR DR UNLATCH ACTR UNLATCH CTRL PASS ENTRY LF ANT SIG HIGH PASS ENTRY LF ANT SIG LOW PASS ENTRY RF DOOR ANT SIG HI PASS ENTRY RF DOOR ANT SIG LO RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RF DR EXTR SW UNLOCK SIG RF DR UNLATCH ACTR UNLATCH CTRL RIGHT END OF DASH) RR CLS PASS ENTRY ANT HIGH SIG RR CLS PASS ENTRY ANT LOW SIG RR DR EXTERIOR SW UNLOCK SIG RR DR LOCK ACTR UNLOCK CTRL RR DR LOCK IND CTRL RR DR LOCK STATUS SIG RR DR OPEN SW SIG RR DR UNLATCH ACTR UNLATCH CTRL RWD RWD 1 1 UNLATCH ACTR UNLATCH LOW REF 1 UNLATCH ACTR UNLATCH LOW REF 2 VIO WIRE VIO/BLU WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/VIO WIRE YEL/BLK WIRE

BLK WIRE BLU WIRE BLU/WHT WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/VIO WIRE LEFT REAR DOOR PRESENTER REAR SIDE DOOR ACTUATOR LEFT REAR SIDE DOOR LATCH LEFT REAR SIDE DOOR WINDOW REGULATOR MOTOR LOGIC PASSENGER DOOR PRESENTER FRONT SIDE DOOR ACTUATOR PASSENGER FRONT SIDE DOOR LATCH PASSENGER FRONT SIDE DOOR WINDOW REGULATOR MOTOR RED/GRN WIRE RED/GRY WIRE RWD 1 1 VIO WIRE VIO/BLU WIRE VIO/GRY WIRE VIO/RED WIRE VIO/WHT WIRE WHT/BRN WIRE WHT/GRY WIRE WHT/VIO WIRE YEL/BLK WIRE

BLK WIRE BLU WIRE BLU/WHT WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER DOOR PRESENTER FRONT SIDE DOOR ACTUATOR DRIVER FRONT SIDE DOOR LATCH DRIVER FRONT SIDE DOOR WINDOW REGULATOR MOTOR GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/VIO WIRE LEFT FRONT SIDE DOOR OUTSIDE HANDLE LEFT FRONT SIDE DOOR OUTSIDE HANDLE SWITCH LEFT REAR DOOR LOW FREQUENCY BODY SIDE ANTENNA LEFT REAR SIDE DOOR OUTSIDE HANDLE LEFT REAR SIDE DOOR OUTSIDE HANDLE SWITCH LOGIC NCA WIRE RED/GRN WIRE RED/GRY WIRE RIGHT FRONT SIDE DOOR OUTSIDE HANDLE RIGHT FRONT SIDE DOOR OUTSIDE HANDLE SWITCH RIGHT REAR DOOR LOW FREQUENCY BODY SIDE ANTENNA RIGHT REAR SIDE DOOR OUTSIDE HANDLE RIGHT REAR SIDE DOOR OUTSIDE HANDLE SWITCH RWD 1 1 VIO WIRE VIO/BLU WIRE VIO/GRY WIRE VIO/WHT WIRE WHT/BRN WIRE WHT/GRY WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE

A SIG AUTOSAR BATTERY ENERGY CONTROL MODULE BLK WIRE BLU/GRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE CAN BUS (+) 9 COMPUTER DATA LINES SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK GRN/BLK WIRE GRN/GRY WIRE GRN/VIO WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE HOOD STATUS HOT AT ALL TIMES INSTRUMENT PANEL COMPARTMENT DOOR LATCH ACTUATOR INSTRUMENT PANEL COMPARTMENT DOOR LATCH ACTUATOR RELAY LOGIC NCA WIRE RED/GRY WIRE RIGHT REAR DOOR PRESENTER REAR SIDE DOOR ACTUATOR RIGHT REAR SIDE DOOR LATCH RIGHT REAR SIDE DOOR WINDOW REGULATOR MOTOR SERIAL DATA SERIAL DATA CAN BUS (-) 9 VIO/RED WIRE VIO/WHT WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/GRY WIRE YEL WIRE YEL/BLK WIRE

AUTOSAR CAN BUS (-) 9 SERIAL DATA B+ VOLT BLK WIRE BLU/GRN WIRE BLU/GRY WIRE COMPUTER DATA LINES SYSTEM DRIVER FRONT SIDE DOOR WINDOW CONTROL SWITCH ENGINE WIRING HARNESS JUNCTION BLOCK GRN/BLK WIRE GRN/BRN WIRE GRN/YEL WIRE HOT AT ALL TIMES LEFT REAR SIDE DOOR WINDOW SWITCH LIGHTING CONTROL MODULE (LEFT SIDE OF DASH) LIN BUS 1 LOGIC LR DR LOCK SW LK CTRL LR DR LOCK SW UNLK CTRL NCA WIRE NEAR FIELD COMMUNICATION EXTERIOR MODULE PASSENGER FRONT SIDE DOOR WINDOW SWITCH RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RIGHT REAR SIDE DOOR WINDOW SWITCH RR DR LK SW LK CTRL RR DR LK SW UNLK CTRL VIO/BLU WIRE VIO/WHT WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE

AUTOSAR CAN BUS (+) 5 SERIAL DATA B+ VOLT BATT POS VOLT BLK WIRE BLK/WHT WIRE BLU/BRN WIRE BLU/WHT WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK GRN/BLK WIRE GRN/WHT WIRE GRN/YEL WIRE HOT AT ALL TIMES INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK LIN BUS 1 LIN BUS 16 LOGIC NEAR FIELD COMMUNICATION MODULE RED/BLU WIRE RED/BRN WIRE RED/VIO WIRE RED/WHT WIRE REMOTE FUNCTION ACTUATOR MODULE RIGHT END OF DASH) ROOF CONSOLE SIG GND UHF LOW ENERGY REMOTE CONTROL ACCESS SENSOR TRANSCEIVER 1 UHF LOW ENERGY REMOTE CONTROL ACCESS SENSOR TRANSCEIVER 2 UHF LOW ENERGY REMOTE CONTROL ACCESS SENSOR TRANSCEIVER 3 UHF LOW ENERGY REMOTE CONTROL ACCESS SENSOR TRANSCEIVER 4 UHF LOW ENERGY REMOTE CONTROL ACCESS SENSOR TRANSCEIVER 5 VIRTUAL KEY PRIVATE CAN BUS (+) SERIAL DATA WHT/YEL WIRE

A/C EVAPORATOR TEMP SENS SIG AIR CONDITIONING SYSTEM ANTI-LOCK BRAKES SYSTEM ANTI-THEFT SYSTEM AUTOMATIC VEHICLE HOLD IND CTRL AUTOMATIC VEHICLE HOLD SW SIG AUTOSAR CAN BUS (-) 9 SER DATA BATT POS VOLT BATTERY POS VOLT BCM LIN BUS 15 BCM LIN BUS 5 BCM LIN BUS 6 BCM LIN BUS 7 BLK WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLWR MTR SPD CTRL BLWR SPD FEEDBACK SIG BODY CONTROL MODULE (LOWER LEFT END OF DASH) BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CRUISE CTRL BANK 1 SW SIG CRUISE CTRL BANK 2 SW SIG DOME/READING LP ENABLE SIG DOOR LOCKS, ANTI-THEFT SYSTEMS DRIVER MODE 1 SW SG GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HAZ WARN IND LED DIMMING SIG HAZ WARN SW SIG HDLP SW FLASH SIG HEADLIGHTS SYSTEM HI BEAM SEL SW HI BEAM SIG HORN SW SIG HORNS SYSTEM HOT AT ALL TIMES HVAC REM ENABLE SIG HVAC SYS ENABLE SIG IGN MODE SW MODE VOLT IGN MODE SW START LED SIG IMMO ANT LO SIG IMMO ANT SIG (+) INTR PASSIVE ENTRY ANT 2 LO SIG INSTRUMENT PANEL COMPT DR UNLATCH RLY CTRL INSTRUMENT PANEL LP DIMMER SW LO REF INSTRUMENT PANEL LP DIMMER SW SIG BCM LIN BUS 12 INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK INTR LP CTRL INTR PASSIVE ENTRY ANT 2 HI SIG LANE DEP WARN DISABLE SW SIG LANE DEP WARN IND CTRL LED BACKLIGHT DIMMING CTRL 1 LH CONDENSING HTR AIR TEMP SENS SIG LH TURN SIG SW SIG NAVIGATION SYSTEM OUT OF PARK SIG POWER DISTRIBUTION SYSTEM REAR CLOSURE OPEN/CLOSE SW SIG RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/YEL WIRE RETAINED ACC PWR RLY 2 COIL CTRL RH CONDENSING HTR AIR TEMP SENS SIG RH TURN SIG SW SIG RIGHT END OF DASH) RR CAMERA WASH SIG RUN/CRNK RLY COIL CTRL SEATS SYSTEM SECURITY IND CTRL SENS LO REF STEERING WHEEL AIR BAG COIL STRG WHEEL RESISTOR LADDER LO REF TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO/BLU WIRE WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/GRY WIRE WINDSHIELD WASHER SW SIG WINDSHIELD WIP SW LO REF WINDSHIELD WIP SW LO SIG WIPER/WASHER SYSTEM YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRY WIRE

20 21 BCM LIN BUS 13 AUTOSAR CAN BUS (-) 9 SER DATA BCM LIN BUS 1 BCM LIN BUS 10 BCM LIN BUS 11 BCM LIN BUS 16 BCM LIN BUS 3 BCM LIN BUS 4 BCM LIN BUS 8 BCM LIN BUS 9 BLK/BRN WIRE BLU WIRE BLU/GRN WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER LEFT END OF DASH) BRAKE APPLY SENS CTRL BRAKE APPLY SENS LO REF BRAKE APPLY SENS SIG BRN/BLK WIRE BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CHARGE PORT DR OPEN REQUEST SW SIG COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG DEFOGGER SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS DR LK ACTR LK CTRL 2 DR UNLATCH MTR LO REF ENGINE CONTROLS SYSTEM GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/VIO WIRE HANDS-FREE LGATE SENS LP CTRL HOOD STATUS B SIG HORN RLY CTRL HORNS SYSTEM INTERIOR PASSIVE ENTRY ANTENNA 1 HI SIG INTERIOR PASSIVE ENTRY ANTENNA 1 LO SIG LED AMBIENT LIGHTING ENABLE SIG LED BACKLIGHT DIMMING CTRL 1 LF DR OPEN SW SIG LF DR UNLATCH ACTR UNLATCH CTRL LF EXTR DR HNDL SW UNLK SIG LR CHILD SECURITY LK ACTR STATUS SIG LR DR EXTR SW UNLK SIG LR DR LK ACTR LK CTRL LR DR LK ACTR UNLK CTRL LR DR LK IND CTRL LR DR LK STATUS SIG PASSIVE ENTRY LF ANTENNA SIG HI PASSIVE ENTRY LF ANTENNA SIG LO PASSIVE ENTRY RF DR ANTENNA SIG HI PASSIVE ENTRY RF DR ANTENNA SIG LO REAR COMPT COURTESY LP CTRL RF DR EXTR SW UNLK SIG RF DR OPEN SW SIG RF DR UNLATCH ACTR UNLATCH CTRL RR CHILD SECURITY LK ACTR STATUS SIG RR CLOSURE HANDLE SW OPEN SIG RR CLOSURE PASSIVE ENTRY ANTENNA HI SIG RR CLOSURE PASSIVE ENTRY ANTENNA LO SIG RR DEFOGGER RLY CTRL RR DR EXTR SW UNLK SIG RR DR LK ACTR UNLK CTRL RR DR LK IND CTRL RR DR LK STATUS SIG RR DR UNLATCH ACTR UNLATCH CTRL TRUNK, TAILGATE, FUEL DOORS SYSTEM UNLATCH ACTR UNLATCH LO REF 1 UNLATCH ACTR UNLATCH LO REF 2 VIO WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE

AUTOSAR CAN BUS (+) 4 SERIAL DATA BATT POSITIVE VOLT BLK WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER FRONT SEAT ADJUSTER ACTUATOR DRIVER FRONT SEAT RECLINER ACTUATOR DRIVER FRONT SEAT TILT ADJUSTER ACTUATOR DRIVER FRONT SEAT VERTICAL ADJUSTER ACTUATOR DRIVER SEAT ADJUSTER MEMORY MODULE (IN DRIVER SEAT CUSHION) DRIVER SEAT ADJUSTER MEMORY MODULE LIN BUS 1 DRIVER SEAT ADJUSTER MEMORY MODULE LIN BUS 2 DRIVER SEAT FRT VERT MTR DOWN CTRL DRIVER SEAT FRT VERT MTR UP CTRL DRIVER SEAT HORIZ MTR FWD CTRL DRIVER SEAT HORIZ MTR RWD CTRL DRIVER SEAT LR HAPTIC SEAT MOVEMENT MTR CTRL DRIVER SEAT REAR VERT MTR UP CTRL DRIVER SEAT RECLINE MTR FWD CTRL DRIVER SEAT RECLINE MTR RWD CTRL DRIVER SEAT RR HAPTIC SEAT MOVEMENT MTR CTRL DRIVER SEAT VERT MTR DOWN CTRL ENGINE WIRING HARNESS JUNCTION BLOCK GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/GRN WIRE HOT AT ALL TIMES RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE SEAT MEMORY SW SET SIG SEAT MEMORY SWITCH SIG 1 SEATS SYSTEM WHT WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE

BATTERY POSITIVE VOLT BLK WIRE BLU/YEL WIRE BUS 1 CAN BUS (-) 2 SERIAL DATA CAN BUS (+) 2 SERIAL DATA COMPUTER DATA LINES SYSTEM DISPLAY DISPLAY SIG + DRIVER INFORMATION DISPLAY ENGINE WIRING HARNESS JUNCTION BLOCK GND A GND B+ GRN/BLK WIRE HEAD-UP HOT AT ALL TIMES LOGIC LVDS LVDS BK NCA WIRE PAS A PAS B POWER STEERING ASSIST MOTOR POWER STEERING CONTROL MODULE (MOUNTED TO FRONT STEERING RACK) POWER STEERING SHAFT TORQUE/ POSITION SENSOR RADIO RADIO LIN RED/GRN WIRE SENT A SENT B VDD A VDD B WHT WIRE