Cadillac ATS I (2012-2014) (body harness, Wiring diagrams

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)

BACKUP LP SPLY VOLT RUN/CRANK IGN 1 VOLT BLK WIRE BLK/YEL WIRE BRN WIRE DRIVER OUTSIDE REARVIEW MIRROR DRIVER OUTSIDE REARVIEW MIRROR MIRROR DIMMING GLASS GRN/WHT WIRE GROUND GRY WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED IP BODY IGN FUSE LOGIC INSIDE REARVIEW MIRROR LOW REFERENCE SIG MIRROR DIMMING NCA WIRE SEAT AIR BAG (LEFT REAR) CONNECTOR BREAKOUT) UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) VIO/GRY WIRE WHT WIRE YEL WIRE YEL/WHT WIRE

ACTIVE GRILLE AIR SHUTTER ACTUATOR BLK WIRE BLK/WHT WIRE BRAKE BOOSTER PUMP MOTOR RELAY (3.6L) BRN WIRE DK BLU WIRE FROM FRONT OBJECT SENSOR (RIGHT MIDDLE)) FRONT FASCIA) HEADLAMP WASHER PUMP IGNITION COIL 1 IGNITION COIL 3 IGNITION COIL 5 LEFT FRONT LEFT PARK/ TURN SIGNAL DAYTIME LAMP RUNNING LAMP LEFT FRONT SIDE MARKER LAMP LEFT HEADLAMP ASSEMBLY LEFT HEADLAMP BALLAST LEFT HEADLAMP HORIZONTAL MOTOR LEFT HEADLAMP LEVELING ACTUATOR LEFT HIGH LEFT LOW BEAM BEAM SOLENOID HEADLAMP ACTUATOR LEFT RIGHT LOWER LOWER PARK/ PARK/ DAYTIME DAYTIME RUNNING RUNNING LAMP LAMP NCA WIRE POWER STEERING CONTROL MODULE RIGHT FRONT SIDE MARKER LAMP W/ HID W/ HIGH PRESSURE WASHER-HEADLAMP W/O HID W/O HIGH PRESSURE WASHER-HEADLAMP WHT/ BLK WIRE WINDSHIELD WASHER FLUID LEVEL SWITCH WINDSHIELD WASHER PUMP WINDSHIELD WASHER PUMP RELAY WINDSHIELD WIPER MOTOR WINDSHIELD WIPER MOTOR CONNECTOR WINDSHIELD WIPER RELAY

"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

5 OF 6) A/C COMPRESSOR CLUTCH RELAY AC CLTCH FUSE AIR PUMP FUSE AMP FUSE AOS DISPLY/ MIL IGN FUSE AUDIO AMPLIFIER AUXILIARY COOLANT PUMP RELAY BCM 3 BATT RVC FUSE FUSE BCM 4 BCM 2 FUSE FUSE BCM 8 FUSE BLK WIRE BLU/VIO WIRE BODY CONTROL MODULE BRAKE BOOSTER PUMP MOTOR RELAY CNSTR VENT FUSE (DIAGRAM 3 OF 6) CONTROL SOLENOID VALVE ASSEMBLY AUTOMATIC TRANSMISSION ASSEMBLY DC DC TRANS FUSE DRIVER KEYLESS WINDOW ENTRY MOTOR CONTROL MODULE ECM IGN FUSE ENGINE CONTROL MODULE EVAPORATIVE EMISSION VENT SOLENOID VALVE FROM AFS AHL/PED PROT FUSE (DIAGRAM 1 OF 6) FROM BATTERY FUSE BLOCK (DIAGRAM 1 OF 6) FRONT SEAT HEATING CONTROL MODULE (W/O REAR VIEW CAMERA) FRT WPR FUSE FSCM IGN FUSE FUEL PUMP CONTROL MODULE GRN/VIO WIRE GRY WIRE HEADLAMP HIGH BEAM RELAY HEADLAMP LOW BEAM RELAY (W/ HID) HEADLAMP WASHER PUMP RELAY HORN RELAY IGN IGNITION MAIN RELAY INSTRUMENT CLUSTER LT PEPS/ WNDW BATT 1 FUSE FUSE PARKING PASSENGER BRAKE WINDOW CONTROL MOTOR MODULE (IF EQUIPPED) PASSENGER AIR BAG DISABLE INDICATOR POWER SUPPLY LEFT REAR TRANSFORMER WINDOW (W/ START/ SWITCH STOP SYSTEM) RBEC IGN FUSE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT REAR WINDOW SWITCH RT WNDW FUSE E/PRK BRK FUSE SECONDARY AIR INJECTION PUMP RELAY SECONDARY AIR INJECTION SOLENOID VALVE RELAY STEERING COLUMN LOCK MODULE (IF EQUIPPED) STR COL LK FUSE TCM/ IGN FUSE TO ENGINE CONTROLS IGNITION RELAY (DIAGRAM 5 OF 6) TO IP BODY IGN FUSE (DIAGRAM TO MIR WNDW MDL FUSE TO REAR BODY FUSE BLOCK (DIAGRAM 3 OF 6) VIO/BLK WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/WHT (OR VIO/ WIRE VIO/WHT WIRE W/ REAR VIEW CAMERA WASH FUSE WHT/ VIO WIRE WINDSHIELD WASHER PUMP RELAY WINDSHIELD WIPER RELAY WINDSHIELD WIPER SPEED CONTROL RELAY WIRE CHANNEL UNDER PASSENGER SEAT)

AUXILIARY RADIO AUDIO INPUT BLUNT CUT TRAILER PROVISION (IF EQUIPPED) BREAKOUT ON TAG LEG) CAMERA FUSE CHANNEL IN RIGHT INSTRUMENT PANEL) DRIVER SEAT MEMORY CONTROL MODULE (W/ MEMORY) DRIVER WINDOW SWITCH ECM BATT FUSE ENGINE CONTROL MODULE FROM BACKUP LAMP BREAKOUT) FROM CNSTR VENT FUSE (DIAGRAM 2 OF 6) FROM INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 4 OF 6) FRONT, REAR PARKING ASSIST CONTROL MODULE (IF EQUIPPED) FUEL PUMP CONTROL MODULE FUEL PUMP FSCM FUSE FUSE FUSE 9 HUMAN MACHINE INTERFACE MEDIA DISC CONTROL PLAYER MODULE (IF EQUIPPED) LEFT MIRROR CONTROL MODULE (W/ MEMORY) LEFT SIDE OBJECT SENSOR MODULE MIR WNDW MDL FUSE MSM FUSE ONSTAR FUSE OUTSIDE REAR VIEW MIRROR SWITCH (W/O MEMORY) PLAYER PNK WIRE POWER TRAILER SUPPLY LIGHTING TRANSFORMER CONTROL MODULE RDO/ DVD FUSE REAR COMPARTMENT LID UNLATCH RELAY REAR DEFOGGER RELAY REARVIEW CAMERA (IF EQUIPPED) RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RIGHT SIDE OBJECT SENSOR MODULE RR CLOSR FUSE SADS FUSE SBZA/LDW/ EOCM FUSE SUSPENSION CONTROL MODULE (IF EQUIPPED) TC CNTRL MDL/RR CNTRL MDL TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE (W/ ONSTAR) TO THEFT MDL/UGDO/RAIN SNSR FUSE (DIAGRAM 6 OF 6) TRAILER IGNITION POWER RELAY (W/ PEDESTRIAN PROTECTION) TRAILER LIGHTING CONTROL MODULE TRANSFER CASE CONTROL MODULE (AWD) TRLR FUSE TRLR MDL FUSE TRLR/ SUNSHD FUSE UPA FUSE VIO/BLK WIRE VIO/GRN WIRE VIO/WHT WIRE W/ INTELLIGENT BRAKE ASSIST W/O INTELLIGENT BRAKE ASSIST W/ SIDE OBSTACLE DETECTION W/ START/STOP SYSTEM W/O COMPACT W/O START STOP SYSTEM W/O START/STOP SYSTEM

ACTIVE GRILLE AIR SHUTTER ACTUATOR AERO SHUTTER FUSE BLU WIRE BREAKOUT FOR EVAPORATIVE EMISSION PURGE SOLENOID VALVE) BRN WIRE COLLISION ALERT INDICATORS (W/O HEADUP DISPLAY) ECM FUSE EMIS FUSE ENGINE CONTROL MODULE ENGINE CONTROLS IGNITION RELAY ENGINE COOLANT THERMOSTAT HEATER (2.5L) EVAPORATIVE EMISSION PURGE SOLENOID VALVE EXCEPT 2.5L EXCEPT 3.6L EXCEPT 3.6L 3.6L FROM HEADLAMP WASHER PUMP RELAY (DIAGRAM 2 OF 6) FROM RBEC IGN FUSE (DIAGRAM 2 OF 6) FUEL ENGINE COMPOSITION CONTROL SENSOR MODULE (3.6L) (3.6L) GROMMET RIGHT SIDE BULKHEAD) (AWD) GRY BRN/ WIRE GRY WIRE HEATED OXYGEN SENSOR (BANK 2 SENSOR 2) ON MAIN HARNESS) HEATED OXYGEN SENSOR 1 BANK 2 (3.6L) HEATED OXYGEN SENSOR 2 BANK 2 (3.6L) HTD STR WHL FUSE HVAC CONTROL MODULE (W/O HEADUP DISPLAY, LIGHT SENSITIVE MIRROR) IGN COIL INJ FUSE IGNITION COIL 6 (3.6L) IGNITION IGNITION COIL 4 COIL 2 (3.6L) (3.6L) INSIDE REARVIEW MIRROR (W/ LIGHT SENSITIVE MIRROR) INSTRUMENT PANEL INSTRUMENT PANEL FUSE BLOCK IP BODY IGN FUSE LEFT ENGINE MOUNT ACTUATOR MAIN BRANCH MANIFOLD ABSOLUTE PRESSURE SENSOR BREAKOUT) (3.6L: ENGINE NCA WIRE RED WIRE RIGHT ENGINE MOUNT ACTUATOR SPARE PT FUSE STEERING COLUMN FUSE HOLDER (BOTTOM OF STEERING COLUMN) STEERING WHEEL AIR BAG COIL STEERING WHEEL HEATING CONTROL MODULE (IF EQUIPPED) TO IGN COIL INJ/SPARE FUSE (DIAGRAM 6 OF 6) TRANSFER CASE CONTROL MODULE (AWD) VIO WIRE VIO/BLU WIRE VIO/GRY WIRE WHT/ VIO WIRE YEL WIRE

3.6L A/C COMPRESSOR CLUTCH RELAY ACC IND ACC LED SIG ACC VOLT ACCESSORY VOLT AUXILIARY COOLANT PUMP RELAY BLK WIRE BLK/GRY WIRE BLU/BLK WIRE BLU/GRN WIRE BODY CONTROL MODULE BREAKOUT NEAR GENERATOR BRANCH) BREAKOUT) BRN/BLK WIRE CONTENT THEFT DETERENT SENSOR MODULE (W/ INTERIOR MOVEMENT, INCLINATION) ENGINE CONTROL MODULE ENGINE START/STOP EXCEPT EXCEPT 3.6L 3.6L FROM DOME/READING LAMPS (LEFT REAR) BREAKOUT) FROM IGN COIL INJ FUSE (DIAGRAM 5 OF 6) FROM RDO/DVD FUSE (DIAGRAM 3 OF 6) GARAGE DOOR OPENER GRN/BLK WIRE GRY/VIO WIRE IGN 1 VOLT IGN COIL INJ/SPARE FUSE IGN MODE SW IGNITION COIL 1 IGNITION COIL 1 BREAKOUT) (3.6L: ENGINE IGNITION COIL 3 IGNITION COIL 5 (3.6L) IGNITION IGNITION COIL 2 COIL 4 (EXCEPT (EXCEPT 3.6L) 3.6L) IGNITION MODE SWITCH ILLU IND KEYLESS ENTRY CONTROL MODULE MODE VOLT PASSIVE START SW SIG 2 PASSIVE START SW SIG 2 LOW REFERENCE POWER SOUNDER CONTENT THEFT DETERRENT ALARM MODULE (IF EQUIPPED) PPL/BLK WIRE PPL/YEL WIRE RAIN/AMBIENT LIGHT SENSOR MODULE (W/O UNIVERSAL GARAGE DOOR RAP RLY COIL CTRL RED/BLU WIRE RUN/CRANK RUN/CRANK IGN 1 VOLT SECONDARY AIR INJECTION PUMP RELAY SECONDARY AIR INJECTION SOLENOID VALVE RELAY START IND START LED SIG THEFT MDL/UGDO/ RAIN SNSR FUSE VIO/BLU WIRE W/ HORN THEFT DETERENT ALARM W/ UNIVERSAL GARAGE DOOR W/O HORN THEFT DETERENT ALARM YEL WIRE

BACKUP LP SPLY VOLT CAMERA DRAIN WIRE CAMERA SIG + BLK WIRE BREAKOUT ON TAG LEG) BREAKOUT ON TAG LEG) (SHIELD BLUNT CUT) CAMERA + SIG CAMERA - SIG CAMERA FUSE GRN/WHT WIRE GRY/YEL WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED HUMAN MACHINE INTERFACE CONTROL MODULE (BEHIND GLOVE BOX) LT GRN WIRE NCA WIRE PNK IGN 1 VOLT GROUND CAMERA SIG - WIRE REAR BODY FUSE BLOCK REARVIEW CAMERA (ABOVE REAR LICENSE PLATE) RED WIRE VIO/GRN WIRE WHT WIRE WHT/BLU 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