Cadillac ATS I (2012-2014) computer data lines system Wiring diagrams

3.6L W/ ENGINE OIL COOLING SYSTEM, 2.0L W/ EXTRA CAPACITY AOS DISPLY/ MIL IGN FUSE AUXILIARY UNDERHOOD FUSE BLOCK (RIGHT FRONT BATT+ VOLT BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/WHT WIRE BLU WIRE COMPUTER DATA LINES SYSTEM COOLING FAN COOLING FAN CONTROL MODULE (ENGINE COOLING FAN ASSEMBLY) COOLING FAN FUSE COOLING FAN MOTOR COOLING TEMP SENS 2 LO REF COOLING TEMP SENS 2 SIG ECM IGN FUSE ENG COOL CTRL ENG TEMP SENS SIG ENGINE CONTROL MODULE (ECM) (RIGHT FRONT OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE INDICATOR ENGINE COOLANT TEMPERATURE SENSOR 2 (2.5L) ENGINE COOLANT THERMOSTAT HEATER (2.5L) (FRONT OF ENGINE) EXCEPT 3.6L 3.6L EXCEPT 3.6L W/ ENGINE OIL COOLING SYSTEM, 2.0L W/ EXTRA CAPACITY FUSE 4 GMLAN SERIAL DATA GRN/BLK WIRE GROUND HOT AT ALL TIMES HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT IGN COIL INJ FUSE LOGIC LOGIC INSTRUMENT CLUSTER LT GRN WIRE MOTOR OF ENGINE COMPT) RED/GRN WIRE RED/YEL WIRE RUN/CRANK IGNITION 1 VOLT SENS LO REF SERIAL DATA SIG GND SPEED SIG SPEED SIGNAL UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL/BLK WIRE

BATT POS VOLT BLK WIRE BODY CONTROL MODULE (BEHIND GLOVE BOX) BRN WIRE CHANNEL IN LEFT INSTRUMENT PANEL) COMPUTER DATA LINES SYSTEM CONTROL MODULE BREAKOUT) COURTESY LAMP DOME LAMP SWITCH DRIVER DOOR COURTESY PASSENGER DOOR COURTESY FUSE ENGINE COMPT) GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES INADVERTENT PWR CTRL INSTRUMENT ILLUMINATION CIRCUIT INSTRUMENT PANEL COMPARTMENT LAMP INSTRUMENT PANEL COMPARTMENT LAMP SWITCH INTR LP CTRL INTR LP DEFEAT SW SIG COURTESY LP SW SIG LAMP LAMP LED AMBIENT LIGHTING CTRL 1 LED AMBIENT LIGHTING CTRL 2 LEFT FRONT DOME/ READING LAMPS LEFT SUNSHADE LEFT SUNSHADE MIRROR LAMP LIFT GATE AJAR SW SIG MIRROR LAMP (RIGHT) BREAKOUT) NCA WIRE NETWORK BUS 3 NETWORK BUS 4 READING LAMPS (FRONT OVERHEAD CONSOLE) BREAKOUT) REAR COMPARTMENT LID LATCH RED/GRN WIRE RIGHT FRONT DOME/ READING LAMPS RIGHT INSTRUMENT PANEL RIGHT SUNSHADE RIGHT SUNSHADE MIRROR LAMP TRUNK LP CTRL UNDERHOOD FUSE BLOCK (RIGHT FRONT OF VIO WIRE VIO/GRN WIRE VIO/GRY WIRE WHT WIRE WHT/BRN WIRE WHT/YEL WIRE YEL WIRE

AJAR SW SIG BLK WIRE BUS 3 COMPUTER DATA LINES SYSTEM DRIVER DOOR LATCH ASSEMBLY DRIVER DOOR POCKET FLOOD LAMP DRIVER DOOR PULL HANDLE FLOOD LAMP DRIVER WINDOW MOTOR FOOT WELL) FRONT WIRE CHANNEL UNDER PASSENGER SEAT) GRN/GRY WIRE GRN/YEL WIRE GRY WIRE LAMP LEFT REAR DOME/ READING LAMPS LEFT REAR DOOR AJAR SW SIG LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR DOOR POCKET FLOOD RIGHT REAR DOOR PULL HANDLE FLOOD LAMP LEFT REAR DOOR PULL HANDLE FLOOD LAMP LEFT REAR WINDOW SWITCH NCA WIRE NETWORK NETWORK BUS 3 NETWORK BUS 4 OVERHEAD CONSOLE ACCENT LAMP PASSENGER DOOR LATCH ASSEMBLY PASSENGER DOOR POCKET FLOOD LAMP PASSENGER DOOR PULL HANDLE FLOOD LAMP PASSENGER WINDOW MOTOR POCKET FLOOD LAMP REAR COMPARTMENT COURTESY LAMP RIGHT FRONT RIGHT REAR DOME/ READING LAMPS RIGHT REAR DOOR RIGHT REAR DOOR AJAR SW SIG RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH SW SIG DOOR AJAR VIO/GRN WIRE WHT/BRN WIRE WHT/YEL WIRE

BATTERY FUSE BLOCK (ON BATTERY) BLK WIRE BLK/WHT WIRE BRN/VIO WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER OUTSIDE REARVIEW MIRROR DRIVER OUTSIDE REARVIEW MIRROR GLASS GRN WIRE HOT AT ALL TIMES FUSE 1 HTD MIR FUSE HVAC CONTROL MODULE (NEAR RIGHT KICK PANEL) LEFT REAR WINDOW DEFOGGER NOISE FILTER (ON LEFT "C" PILLAR) LOGIC MIRRORS SYSTEM NCA WIRE NETWORK 9 PASSENGER OUTSIDE REARVIEW MIRROR PASSENGER OUTSIDE REARVIEW MIRROR GLASS REAR BODY FUSE BLOCK REAR DEFOG FUSE REAR DEFOG RLY CTRL REAR DEFOGGER GRID REAR DEFOGGER RELAY REAR REAR DEFOGGER DEFOGGER IND SWITCH INFO DISPLAY MODULE (ABOVE HVAC CONTROLS) RED/BLU WIRE RIGHT REAR WINDOW DEFOGGER NOISE FILTER (ON RIGHT "C" PILLAR) SERIAL DATA

BATT RVC FUSE BCM 8 FUSE BLK WIRE BLU/BRN WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DOOR LOCK IND DRIVER DOOR LOCK SWITCH DRIVER INFORMATION CENTER DISPLAY DRIVER WINDOW SWITCH GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/WHT WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LOGIC LR DR AJAR SW SIG MTR STATUS PASSENGER DOOR LATCH ASSEMBLY PASSENGER DOOR LOCK SWITCH PASSENGER WINDOW MOTOR REAR COMPARTMENT FUSE BLOCK RED/GRY WIRE RED/YEL WIRE RF DR AJAR SECURITY IND SW SIG TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/LT GRN WIRE WHT/VIO WIRE YEL WIRE YEL/VIO WIRE

BLK WIRE BLU/BRN WIRE BLU/WHT WIRE BRN WIRE BRN/YEL WIRE CHILD SECURITY LOCK DISABLE RELAY COMPUTER DATA LINES SYSTEM CONTENT THEFT DETERRENT SENSOR MODULE DISABLE SIG DOOR DEAD LOCK RELAY GRN/BLU WIRE GRN/BRN WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE HOT W/ BATTERY SAVER RELAY 2 ENERGIZED LED CTRL LIN BUS 1 LIN BUS 2 LOGIC POWER SOUNDER CONTENT THEFT DETERRENT ALARM MODULE REAR COMPARTMENT FUSE BLOCK RED/BLU WIRE RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH RR DR AJAR SW SIG THEFT DETERRENT SENSOR DISABLE SWITCH THEFT MDL/ UGDO/RAIN SNSR FUSE VIO/BLK WIRE VIO/YEL WIRE WHT/BLU WIRE YEL WIRE YEL/BLU WIRE

ACCESSORY VOLT ANTENNA 1 SIG HI ANTENNA 1 SIG LO ANTENNA 2 SIG HI ANTENNA 2 SIG LO ANTENNA 3 SIG HI ANTENNA 3 SIG LO BAT POS VOLT BATT RVC FUSE BCM 5 FUSE BCM 7 FUSE BCM 8 FUSE BLK WIRE BLK/GRY WIRE BLU WIRE BLU/VIO WIRE BRN WIRE BRN/BLK WIRE BRN/YEL WIRE CENTER CONSOLE FRONT KEYLESS ENTRY ANTENNA CENTER CONSOLE REAR KEYLESS ENTRY ANTENNA COMPUTER DATA LINES SYSTEM DR OPEN SW SIG DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW MOTOR DRIVER WINDOW SWITCH GMLAN SERIAL DATA GRN WIRE GRN/BLK WIRE GRN/VIO WIRE GROUND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES IGN 1 VOLT IGNITION MODE SWITCH KEYLESS ENTRY CONTROL MODULE LF DR AJAR LOCK SIG LOGIC MTR STATUS PEPS FUSE PEPS/ BATT 1 FUSE PPL/BLK WIRE PPL/YEL WIRE REAR COMPARTMENT FUSE BLOCK REAR COMPARTMENT KEYLESS ENTRY ANTENNA RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE SHIFT INTERLOCK SYSTEM SW 2 LOW REF SW SIG SW SIG 2 UNDERHOOD FUSE BLOCK WHT WIRE WHT/GRN WIRE WHT/VIO WIRE WHT/YEL WIRE

ACCESSORY VOLT ACTR UNLOCK CTRL BAT POS VOLT BLK WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BODY CONTROL MODULE (BEHIND GLOVE BOX) BRN WIRE BRN/GRN WIRE BRN/PPL WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DR LOCK CTRL DR LOCK CTRL (2) DRIVER DOOR LOCK SWITCH GMLAN SERIAL DATA GROUND GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/GRN WIRE HEAD LP HIGH RLY CTRL HEAD LP LOW RLY CTRL HEADLIGHTS SYSTEM HOOD STATUS B SIG HORN RLY CTRL HORNS SYSTEM IGN 1 VOLT IND DIM CTRL LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR SIG LEFT REAR WINDOW SWITCH LH PARK LP SPLY VOLT LIFTGATE AJAR SW SIG LOGIC LR DR AJAR SW SIG PASSENGER DOOR LATCH ASSEMBLY PASSENGER DOOR LOCK SWITCH PASSENGER WINDOW MOTOR PPL/BLK WIRE PPL/GRY WIRE PPL/YEL WIRE REAR COMPARTMENT LID LATCH RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RF DR AJAR RH PARK LP SPLY VOLT RIGHT REAR SIG SCTY IND CTRL SCTY LOCK RLY CTRL SW LOCK CTRL SW LOCK SIG SW SIG SW UNLOCK CTRL SW UNLOCK SIG TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/VIO WIRE YEL WIRE YEL/VIO WIRE

5 VOLT REF A/T AOS DISPLY/ MIL IGN FUSE BATT+ VOLT BCM 5 FUSE BLK WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BODY CONTROL MODULE (BEHIND GLOVE BOX) BRAKE ASSEMBLY) BUS 4 COMPUTER DATA LINES SYSTEM DIM SW LO REF DIM SW SIG DRIVER WINDOW SWITCH GND AUTO STOP GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/YEL WIRE HAZARD LED DIM SIG HAZARD WARNING SWITCH HEADLAMP SW PARK LP SIG HEADUP DISPLAY SWITCH (IF EQUIPPED) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED HS SPD GMLAN SER DATA (+) IGNITION MODE SWITCH IND CTRL INDICATOR DIM CTRL INSTRUMENT CLUSTER INSTRUMENT PANEL INSTRUMENT PANEL DIMMER SWITCH INSTRUMENT PANEL MULTI- FUNCTION SWITCH LED BACKLIGHT DIMM CTRL LEFT MIRROR CONTROL MODULE (DRIVER DOOR PANEL) LEFT REAR WINDOW SWITCH LOGIC LT GRN WIRE M/T (LEFT KICK PANEL) NETWORK NETWORK BUS 3 NETWORK BUS 4 NETWORK BUS 9 LOGIC OUTSIDE REARVIEW MIRROR SWITCH (W/ MEMORY) PARK BRAKE CONTROL SWITCH (A/T) (ON PARK PARK BRAKE CONTROL SWITCH (ON PARK BRAKE ASSEMBLY) PASSENGER AIR BAG DISABLE INDICATOR (ON OVERHEAD CONSOLE) PASSENGER AIR BAG IND RED/BRN WIRE RIGHT REAR WINDOW SWITCH SERIAL DATA LOGIC TRACTION CONTROL SWITCH TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) VEHICLE STABILITY CONTROL SWITCH VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WIRE CHANNEL IN LEFT INSTRUMENT PANEL) YEL WIRE YEL/GRY WIRE

1 2 3 RTN LIN BUS 11 SPLY VOLT 2.0L 2500 2501 COMPUTER DATA LINES SYSTEM 39 40 SERIAL DATA (+) SERIAL DATA (-) BAT POS VOLT BCM 7 FUSE BLK WIRE BLK/ (OR BLK WIRE BLK/YEL WIRE BLU WIRE BODY CONTROL MODULE (BEHIND GLOVE BOX) BRN/GRN WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM 87 76 65 DRIVER SECURITY INFORMATION IND CENTER DISPLAY ENGINE CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT) GRN RED/ WIRE GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GROUND GRY/BLK WIRE HOOD AJAR SWITCH (AT HOOD LATCH) HOOD LATCH SNSR LOW REF HOOD SIG HOOD STATUS A SIGNAL HOT AT ALL TIMES INSTRUMENT CLUSTER LOGIC NCA WIRE RED/GRN WIRE SERIAL DATA UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) W/ START/STOP SYSTEM W/O START/STOP SYSTEM WHT WIRE YEL BLK/ WIRE YEL WIRE