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

1 2 3 4 5 6 7 8 9 10 11 12 13 BATTERY POSITIVE VOLT 6106 6105 COMPUTER DATA LINES SYSTEM ABS PUMP FUSE ABS VLV FUSE AUXILIARY UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) BATTERY FUSE BLOCK (ON BATTERY) BLK WIRE BLK/BRN WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BRAKE BOOSTER PUMP MOTOR (ABOVE GENERATOR) BRAKE BOOSTER PUMP MOTOR RELAY (3.6L) BRAKE PRESSURE MODULATOR BRK FLUID LEVEL SENS SIG BRK VACUUM SENS LOW REFR BRK VAC PUMP FUSE BRK VACUUM SENS SIG BRN WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM ELECTRONIC BRAKE CONTROL MODULE (FORWARD OF RIGHT FRONT STRUT TOWER) FUSE 6 GRN/BRN WIRE GRN/GRY WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/WHT WIRE GRY/YEL WIRE HI SPD GMLAN SERIAL DATA (-) 2 HI SPD GMLAN SERIAL DATA (+) 2 HOT AT ALL TIMES LEFT FRONT WHEEL SPEED SENSOR LEFT REAR WHEEL SPEED SENSOR LF WHEEL SPD SENS SPLY VOLT LF WHEEL SPD SENS SIG NCA WIRE RED WIRE RED/YEL WIRE RIGHT REAR WHEEL SPEED SENSOR RR WHEEL SPD SENS SIG RR WHEEL SPD SENS SPLY VOLT SERIAL DATA COMMUNICATION ENABLE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) VIO WIRE WHT WIRE WHT/BLU WIRE YEL WIRE YEL/RED WIRE YEL/VIO WIRE

A/T ABS BRAKE VSC VSC OFF IND IND IND IND BATT POSITIVE VOLT BLK WIRE BLK/BRN WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BRAKE BOOSTER VACUUM SENSOR (ON BRAKE BOOSTER) BRN WIRE COMPUTER DATA LINES SYSTEM DATA - DATA COM DISPLY FUSE DRIVER INFORMATION CENTER DISPLAY FUSE BLOCK (LEFT SIDE OF INSTRUMENT PANEL) GRN/BRN WIRE GRY/RED WIRE GRY/VIO WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL LOGIC M/T MOST MOST SERIAL SERIAL DATA (+) DATA (-) PANEL) VEHICLE STABILITY CONTROL SWITCH PARK BRAKE CONTROL SWITCH RED/BLU WIRE SPY VOL SW SIGNAL VOL REF RELEASE SW SIG APPLY SW SIG VOL REF SYSTEM SYSTEM TRACTION CONTROL SWITCH TRACTION OFF IND W/ STOP/ W/O STOP/ WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/RED WIRE YEL/VIO WIRE

1 58 17 BRK VACUUM SENS LOW REFR BRK VACUUM SENS SIG BRK VACUUM SENS 5 VOLT REFR 14 7 TRACTION CTRL SW SIG 1 BRK APPLY SENS SIG BRK APPLY SENS SPLY VOLT 2.5L 3.6L 2.0L TURBO 2501 2500 COMPUTER DATA LINES SYSTEM 39 40 39 40 39 40 HI SPD GMLAN SERIAL DATA (+) 1 HI SPD GMLAN SERIAL DATA (-) 1 5380 (OR 6111) 5381 (OR 6109) 5382 (OR 6110) A/T BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/VIO WIRE BLU/YEL WIRE BODY CONTROL MODULE (BEHIND GLOVE BOX) BRAKE PEDAL POSITION SENSOR (ON BRAKE PEDAL BRACKET) BRK APPLY SENS LOW REF BRK POSITION SENS SIG CLUTCH APPLY SENS SIGNAL CLUTCH PEDAL POSITION SENSOR (ON CLUTCH MASTER CYLINDER PUSH ROD) COMBINED VEH INERTIAL SENS SPLY VOLT COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEMS CRUISE/ETC/TCC BRK SIG ENGINE CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT) GRN/BRN WIRE GRY/RED WIRE HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (+) (1) M/T MULTI-AXIS ACCELERATION SENSOR (BELOW CENTER CONSOLE) SERIAL DATA COMMUNICATION ENABLE STEERING WHEEL ANGLE SENSOR (BELOW STEERING WHEEL AROUND SHAFT) WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/RED WIRE YEL/VIO WIRE

BACKUP LAMP BACKUP LAMP SPLY VOLT BATT POS VOLT BCM 6 FUSE BLK WIRE BLU WIRE BLU/WHT WIRE BODY CONTROL MODULE (BEHIND GLOVE BOX) COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY ENGINE CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT) GRN WIRE GRN/WHT WIRE GROUND GRY WIRE HI SPD GMLAN SERIAL DATA HOT AT ALL TIMES INSIDE REARVIEW MIRROR LOGIC NCA WIRE REARVIEW CAMERA (IF EQUIPPED) RED WIRE RED/WHT WIRE SEAT AIR BAG (LEFT REAR) CONNECTOR BREAKOUT) SERIAL SERIAL DATA DATA SIG A SIG B SIG C SIG P TRANS PARK NEUTRAL SIG TRANSMISSION CONTROL MODULE TRANSMISSION INTERNAL MODE SWITCH AUTOMATIC TRANSMISSION ASSEMBLY UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) W/ LIGHT SENSITIVE REARVIEW MIRROR W/O LIGHT SENSITIVE REARVIEW MIRROR WHT WIRE WHT/GRY WIRE YEL WIRE

1 2 3 4 5 6 7 8 SERIAL DATA (-) (4) SERIAL DATA (+) (4) GND 1 2 3 4 GMLAN SERIAL DATA (-) 4 GMLAN SERIAL DATA (+) 4 14 15 16 GMLAN SERIAL DATA (-) 4 24 25 GMLAN SERIAL DATA (-) GMLAN SERIAL DATA (+) 3 4 5 6 7 8 9 10 11 12 LANE DEP WARN IND CTRL 3813 3811 COMPUTER DATA LINES SYSTEM 8 7 6 GND SERIAL DATA (+) (4) SERIAL DATA (-) (4) ACTIVE SAFETY CONTROL MODULE (FORWARD OF LEFT REAR LAMP ASSEMBLY) BATT POSITIVE VOLT RR PRK ASS LED DIS SIG BCM 5 FUSE BLK WIRE BLK/WHT WIRE BLU WIRE BLU/VIO WIRE BLU/YEL WIRE BODY CONTROL MODULE (BEHIND GLOVE BOX) BREAKOUT) BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DOOR LOCKS SYSTEM FROM FRONT WIRE CHANNEL UNDER PASSENGER SEAT) FRONT FASCIA) FRONT, REAR PARK ASSIST IND FRONT, REAR PARK ASSIST SWITCH FRONTVIEW CAMERA MODULE GMLAN SERIAL DATA (+) 4 LOW GMLAN SERIAL DATA GRN WIRE GRN/BRN WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE HOT AT ALL TIMES IND DIM CTRL INSTRUMENT PANEL MULTI- FUNCTION SWITCH LANE DEP WARN SW SIG LDW IND LDW SWITCH LONG RANGE RADAR SENSOR MODULE (RIGHT FRONT OF VEHICLE) OBJ SENS SPLY VOLT (2) REAR BODY FUSE BLOCK RED/BRN WIRE RED/GRN WIRE SBZA/ LDW/ EOCM FUSE SENS SPLY VOLT (1) SENS SPLY VOLT (2) SERIAL DATA (+) (4) SERIAL DATA (-) (4) SERIAL DATA (-) (4) SERIAL DATA (+) (4) GND SERIAL DATA (-) (4) SERIAL DATA (+) (4) SERIAL DATA (-) (4) SERIAL DATA (+) (4) SERIAL DATA COMM ENABLE SERIAL DATA COMM ENABLE GMLAN SERIAL DATA (-) 1 GMLAN SERIAL DATA (-) 1 SHORT RANGE LEFT FRONT RADAR SENSOR MODULE (LEFT FRONT OF VEHICLE) SHORT RANGE REAR RADAR SENSOR MODULE (REAR MIDDLE OF VEHICLE) SHORT RANGE RIGHT FRONT RADAR SENSOR MODULE (RIGHT FRONT OF VEHICLE) UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMP) W/O HEAD-UP DISPLAY W/ HEAD-UP DISPLAY WHT WIRE WHT/BLU WIRE WIRE CHANNEL UNDER LEFT SIDE OF REAR SEAT)

ACTUATOR (ON STRUT) BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/RED BLK/GRY WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE CENTER DISPLAY COMPUTER DATA LINES SYSTEM DRIVER INFORMATION GMLAN SER DATA GMLAN SER DATA GRN WIRE GRN/GRY WIRE GRN/RED WIRE GRN/WHT WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT FRONT SHOCK ABSORBER LEFT FRONT SUSPENSION POSITION SENSOR (BOTTOM OF STRUT) LEFT REAR SHOCK ABSORBER LEFT REAR SUSPENSION POSITION SENSOR (BOTTOM OF STRUT) LOGIC LR STRUT MOTOR DECREASE DAMP CTRL LR STRUT MOTOR INCREASE DAMP CTRL LR STRUT POS SNSR LOW REF RF STRUT POS SNSR SIG NCA WIRE REAR COMPARTMENT FUSE BLOCK (LEFT SIDE OF LUGGAGE COMPARTMENT) RED WIRE RED/GRN WIRE RF STRUT MOTOR DECREASE DAMP CTRL RF STRUT MOTOR INCREASE DAMP CTRL RIGHT FRONT SHOCK ABSORBER RIGHT FRONT SUSPENSION POSITION SENSOR (BOTTOM OF STRUT) RIGHT REAR SHOCK ABSORBER RIGHT REAR SUSPENSION POSITION SENSOR (BOTTOM OF STRUT) RR STRUT MOTOR DECREASE DAMP CTRL RR STRUT MOTOR INCREASE DAMP CTRL GND RR STRUT POS SNSR LOW REF LF STRUT POS SNSR SIG RR STRUT POS SNSR SIG LF STRUT POS SNSR LOW REF SADS FUSE SUSPENSION CONTROL MODULE (FORWARD OF RIGHT REAR LAMP ASSEMBLY) VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE YEL WIRE YEL/RED WIRE YEL/WHT WIRE

"CHECK ENGINE" IND CTRL ABS IND. ADAPTIVE CRUISE IND AFL IND AIR BAG IND AMBIENT AIR TEMPERATURE SENSOR (FRONT OF VEHICLE, REAR OF LOWER GRILLE) AOS DISPLY/ MIL IGN FUSE BCM 5 FUSE BLK WIRE BLK/LT BLU WIRE BLU WIRE BRAKE IND BRN WIRE BRN/WHT WIRE CHARGING IND COMPUTER DATA LINES SYSTEM CRUISE IND DISPLY FUSE DOOR LOCK IND DRIVER INFORMATION CENTER (DIC) DISPLAY ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE IND FORWARD COLLISION ALERT LED CTRL FUEL GAUGE GRN WIRE GRN/BLK WIRE GRY WIRE GRY/VIO WIRE HEAD-UP DISPLAY CIRCUIT HIGH BEAM ASSISTANT IND HIGH BEAM IND HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT BATT POSITIVE VOLT INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK (LEFT SIDE OF INSTRUMENT PANEL) INTERCONN NETWORK BUS 12 INTERCONN NETWORK BUS 12 GND LANE DEPARTURE WARNING IND LEFT TURN IND LOGIC LOW FUEL WARNING LAMP IND LOW SPD GMLAN SERIAL DATA MOST SERIAL DATA (+) MOST SERIAL DATA (-) LOW TIRE PRESSURE IND LOW WASHER FLUID IND CRRL LT BLU/GRY WIRE MALFUNCTION LAMP IND MOST CTRL MOST SERIAL DATA (-) MOST SERIAL DATA (+) NAVIGATION SYSTEM NCA WIRE OIL LEVEL IND OUTSIDE AMBIENT AIR TEMP SENS SIG OUTSIDE AMBIENT TEMP SENS LOW REF PARK LAMPS IND PPL 24 23 21 20 19 RED/BLU WIRE RED/BRN WIRE REFLECTED LED DISPLAY DIMMING CTRL RIGHT TURN IND SEAT BELT IND SECURITY IND SERVICE PARK BRAKE IND SPEEDOMETER TACHOMETER TRACTION OFF IND UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) VIO/GRY WIRE VSC IND VSC OFF IND WHT WIRE WHT/GRN WIRE WHT/VIO WIRE WIPER/ WASHER SYSTEM

"CHECK ENGINE" IND CTRL 1 2 NETWORK BUS 4 RR DOOR AJAR SW SIG 2 1 LR DOOR AJAR SW SIG NETWORK BUS 4 2 3 GND B+ 24 25 GMLAN SERIAL DATA (-) GMLAN SERIAL DATA (+) 27 25 26 SEC FUEL LVL SENS SIG PRIMARY FUEL LVL SENS FUEL LVL LOW REF 39 40 SERIAL DATA (+) SERIAL DATA (-) 4 6 NETWORK BUS 3 RF DOOR AJAR SW SIG 6 4 LF DOOR AJAR SW SIG NETWORK BUS 3 BLK WIRE BLK/GRN WIRE BLK/VIO WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BODY CONTROL MODULE (BEHIND GLOVE BOX) BRAKE IND LOGIC TRANSMISSION SHIFT LEVER POSITION INDICATOR BRN/GRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW MOTOR ENGINE CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT) FOOT WELL) GRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/VIO WIRE LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LIFT GATE AJAR SW SIG 1 NETWORK BUS 2 OIL LVL SW SIG OIL PRESS SENS SIG 17 2 OIL PRESS SENS LOW REF PRESS SENS 5 VOLT REF PASSENGER DOOR LATCH ASSEMBLY PASSENGER WINDOW MOTOR PRIMARY FUEL LEVEL SENSOR FUEL PUMP, LEVEL SENSOR ASSEMBLY (TOP OF FUEL TANK) RAP RELAY COIL CTRL REAR COMPARTMENT LID LATCH RED/BRN WIRE RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH SECONDARY FUEL LEVEL SENSOR VIO/GRY WIRE WHT WIRE WHT/RED WIRE WIRE CHANNEL UNDER PASSENGER SEAT) YEL/BRN WIRE

11 10 GMLAN SERIAL DATA (+) GMLAN SERIAL DATA (-) BLK WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/PPL WIRE BRAKE FLUID LEVEL SWITCH BRK FLUID LVL BRN WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DATA COM ELECTRONIC BRAKE CONTROL MODULE (FORWARD OF RIGHT FRONT STRUT TOWER) ENGINE OIL LEVEL SWITCH (AWD: FRONT OF OIL PAN) GRN/GRY WIRE GRY WIRE GRY/RED WIRE M/T PARK BRAKE CONTROL SWITCH PARKING BRAKE CONTROL MODULE (BEHIND LEFT REAR WHEELHOUSE PANEL LINER) SIGNAL VOL REF SPLY VOL SW SIG SW SIG VOL REF WHT WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/BRN WIRE YEL/RED WIRE

BAT POS VOLT BLK WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND GLOVE BOX) BRN WIRE BRN/YEL WIRE CHANNEL UNDER LEFT SIDE OF REAR SEAT) COMPUTER DATA LINES SYSTEM DOOR DEAD LOCK RELAY DOOR LOCK ACTUATOR UNLOCK CONTROL DOOR LOCK CONTROL DOOR LOCKS SYSTEM DRIVER DOOR LATCH ASSEMBLY DRIVER INFORMATION CENTER DISPLAY EXTERIOR REAR COMPARTMENT LID UNLATCH SWITCH FUEL DOOR LOCK FUEL DOOR LOCK ACTUATOR (RIGHT REAR WHEEL WELL) FUEL DOOR LOCK RELAY CONTROL GRN WIRE GROUND GRY WIRE GRY/YEL WIRE HIGH SPEED GMLAN SERIAL DATA (+) HOT AT ALL TIMES HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (RIGHT FRONT ENGINE COMPT) BCM 7 FUSE IMPACT SENSOR (RIGHT REAR) BREAKOUT) INSTRUMENT CLUSTER INTERIOR REAR COMPARTMENT LID UNLATCH SWITCH LIFT GATE AJAR SWITCH SIGNAL LIFT GLASS/TRUNK INTERIOR RELEASE SIGNAL LIFT GLASS/TRUNK MOTOR RELEASE CONTROL LOGIC LOW SPEED GMLAN SERIAL DATA REAR BODY FUSE BLOCK REAR CLOSURE HANDLE SWITCH OPEN SIGNAL REAR COMPARTMENT LID LATCH REAR COMPARTMENT LID UNLATCH RELAY RED WIRE RED/GRN WIRE RELAY RR CLOSR FUSE SECURITY LOCK RELAY CONTROL VIO WIRE VIO/BLU WIRE VIO/GRY WIRE VIO/LT BLU WIRE WHT WIRE YEL WIRE YEL/BLU WIRE