Cadillac ATS I (2012-2014) from front wire channel under passenger seat) 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)

A/T ACCESSORY ACCESSORY WAKEUP BATTERY POSITIVE VOLT BLK WIRE BLU WIRE BLU/VIO WIRE BLU/WHT WIRE BODY CONTROL MODULE (BEHIND GLOVE BOX) CHANNEL UNDER LEFT SIDE OF REAR SEAT) COMMUNICATION ENABLE DRIVER WINDOW MOTOR DRIVER WINDOW SWITCH FR OBJECT SENS SPLY VOLT (2) FROM BODY CONTROL MODULE BREAKOUT) FROM FRONT WIRE CHANNEL UNDER PASSENGER SEAT) FRONTVIEW CAMERA MODULE GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/YEL WIRE GROUND GRY/VIO WIRE HI SPD GMLAN SER DATA - (4) HIGH SPEED GMLAN IMMOBILIZER CONTROL MODULE (INSIDE FLOOR CONSOLE COMPT) INSIDE DRIVER DOOR) LEFT REAR WINDOW SWITCH LINEAR INTERCONNECT LINEAR INTERCONNECT NETWORK BUS 11 LINEAR INTERCONNECT NETWORK BUS 3 LINEAR INTERCONNECT NETWORK BUS 4 LOW SPEED GMLAN NETWORK 1 NETWORK 11 NETWORK 2 NETWORK 3 NETWORK 4 PASSENGER WINDOW MOTOR RED/BRN WIRE RIGHT REAR WINDOW SWITCH SER DATA + (4) HI SPD GMLAN SER DATA LO SPD GMLAN SERIAL DATA SERIAL DATA (-) (1) TRANSMISSION SHIFT LEVER VIO/YEL WIRE WAKEUP WHT WIRE WHT/BLU WIRE YEL WIRE

13 7 3 SENS SPLY VOLT SENS SIG BAT POS VOLT 24 12 HAZARD SW RIGHT TURN SIG HAZARD SW LEFT TURN SIG 8 4 6 COIL SPLY VOLT RR TURN SIG SPLY VOLT LEFT PARK LP SPLY VOLT AOS DISPLAY/ MIL IGN BCM 5 FUSE BLK WIRE BLK/BRN WIRE BLU WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (BEHIND GLOVE BOX) BREAKOUT) BRN GRY/ WIRE COMPUTER DATA LINES SYSTEM DRIVER OUTSIDE REARVIEW MIRROR DRIVER TURN SIGNAL LAMP FROM FRONT WIRE CHANNEL UNDER PASSENGER SEAT) FUSE GMLAN SERIAL DATA GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY BRN/ WIRE GRY/BRN WIRE GRY/YEL WIRE HAZARD LED DIMMING SIG HAZARD SW SIG HAZARD WARNING SWITCH HEAD HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED LEFT LF TURN SIG SPLY VOLT LR TURN SIG SPLY VOLT LOGIC NCA WIRE PARK AUTO OFF PARK LAMP SIG PASSENGER OUTSIDE REARVIEW MIRROR PASSENGER TURN SIGNAL LAMP REAR TURN LP FEEDBACK SIG RED/BRN WIRE RF TURN SIG SPLY VOLT RIGHT PARK LP SPLY VOLT REAR LP SPLY VOLT 5 13 RIGHT RIGHT AUXILIARY DAYTIME RUNNING LAMP RIGHT FRONT PARK LAMP RIGHT FRONT SIDE MARKER LAMP RIGHT FRONT TURN SIGNAL LAMP RIGHT HEADLAMP ASSEMBLY RIGHT STOP/ TURN SIGNAL LAMP RIGHT TAIL LAMP RIGHT TAIL LAMP ASSEMBLY RR TURN LP FEEDBACK SIG SENS LOW REF TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) VIO/BLU WIRE VIO/GRY WIRE VIO/WHT WIRE W/ HID W/O HID WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/VIO WIRE

BCM 8 FUSE BLK WIRE BLU/BRN WIRE BLU/VIO WIRE BLU/WHT WIRE BREAKOUT) 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 FROM FRONT WIRE CHANNEL UNDER PASSENGER SEAT) FROM SIDE IMPACT SENSOR (RIGHT REAR) BREAKOUT) GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/WHT WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT REAR DOOR LATCH ASSEMBLY LOGIC LOGIC DRIVER WINDOW SWITCH LOGIC LEFT REAR WINDOW SWITCH LR DR AJAR SW SIG MTR STATUS PASSENGER DOOR LATCH ASSEMBLY PASSENGER DOOR LOCK SWITCH PASSENGER WINDOW MOTOR RED/GRY WIRE RED/YEL WIRE RF DR AJAR SW SIG 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

5 6 PPL 6 8 5 PPL ASSIST LED REAR PARK BLK WIRE BLK/BLU WIRE BREAKOUT) BRN/WHT WIRE BUS 2 NETWORK COMPUTER DATA LINES SYSTEM CTRL DISABLE SIG DOME LAMP SWITCH DOME/ READING LAMPS DOOR LOCKS SYSTEM DRIVER DOOR LATCH ASSEMBLY DRIVER DOOR LOCK SWITCH DRIVER SEAT MEMORY CONTROL MODULE (ON DRIVER SEAT FRAME) DRIVER SEAT MEMORY SWITCH (IF EQUIPPED) ECO IND FROM FRONT WIRE CHANNEL UNDER PASSENGER SEAT) FRONT VIEW CAMERA MODULE FRONT WIRE CHANNEL UNDER PASSENGER SEAT) FRONT, REAR PARK ASSIST IND GARAGE DOOR OPENER GREEN LED GRN WIRE GRN/BLU WIRE GRN/BRN WIRE HI SPD GMLAN IND WARNING INSTRUMENT PANEL MULTIFUNCTION SWITCH INTERIOR REAR COMPARTMENT LID UNLATCH SWITCH KEYPAD LANE DEPARTURE WARNING LIGHT IND LED IND CTRL WARNING LEFT STEERING WHEEL CONTROLS SWITCH LOGIC LOGIC RIGHT STEERING WHEEL CONTROLS SWITCH ORG/BLK WIRE OUTSIDE REARVIEW MIRROR SWITCH (W/O MEMORY) PASSENGER DOOR LATCH ASSEMBLY PASSENGER DOOR LOCK SWITCH PASSENGER WINDOW SWITCH PNK WIRE RED LED WIRE RED/YEL WIRE RIGHT FRONT SER DATA STEERING WHEEL HEATING CONTROL MODULE (IN STEERING WHEEL) SWITCH BREAKOUT) TELEMATICS BUTTON ASSEMBLY (ON OVERHEAD CONSOLE) TRANSMISSION SHIFT LEVER POSITION INDICATOR VIO WIRE WHT WIRE WHT/VIO WIRE WINDOW SWITCH PASSENGER YEL WIRE YEL/VIO WIRE

BCM 8 FUSE BLK WIRE BLU/BRN WIRE BLU/VIO WIRE BLU/WHT WIRE BREAKOUT) 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 FROM FRONT WIRE CHANNEL UNDER PASSENGER SEAT) FROM SIDE IMPACT SENSOR (RIGHT REAR) BREAKOUT) GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/WHT WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT REAR DOOR LATCH ASSEMBLY LOGIC LOGIC DRIVER WINDOW SWITCH LOGIC LEFT REAR WINDOW SWITCH LR DR AJAR SW SIG MTR STATUS PASSENGER DOOR LATCH ASSEMBLY PASSENGER DOOR LOCK SWITCH PASSENGER WINDOW MOTOR RED/GRY WIRE RED/YEL WIRE RF DR AJAR SW SIG 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

1 2 3 GND 1239 5065 13 14 15 16 17 18 IGN 1 VOLT STOP LP RLY COIL SPLY VOLT 25 24 GMLAN SERIAL DATA (+) GMLAN SERIAL DATA (-) 5185 5186 RIGHT TRAILER PARK LP LEFT TRAILER TURN SIG LP 5189 5190 TRAILER BACKUP LP TRAILER FOG LP BATT POS VOLT BATTERY FUSE BLOCK (ON BATTERY) BCM 4 FUSE BLK WIRE BLU WIRE BLU/WHT WIRE BODY CONTROL MODULE (BEHIND GLOVE BOX) BRN/GRY WIRE BRN/VIO WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM EXTERIOR LAMPS CIRCUIT FROM FRONT WIRE CHANNEL UNDER PASSENGER SEAT) FUSE 1 GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GROUND GRY WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED LEFT TRAILER PARK LAMP PNK/BLK WIRE REAR BODY FUSE BLOCK RED/BLU WIRE RED/GRN WIRE RUN RLY COIL CTRL STOP LAMP RLY COIL SUPPLY VOLTAGE TRAILER BRAKE LP TRAILER CONNECTED SIG TRAILER IGNITION POWER RELAY TRAILER LIGHTING CONTROL MODULE (NEAR BATTERY) TRLR CONN FUSE TRLR FUSE TRLR MDL FUSE TRLR/ SUNSHD FUSE VIO/BRN WIRE VIO/WHT WIRE WHT WIRE YEL/GRY WIRE YEL/WHT WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 BRAKE VACUUM SENS LOW REF 2500 2501 COMPUTER DATA LINES SYSTEM 5 V REF A/C COMPRESSOR CLUTCH RLY CTRL A/C REFRIGERANT PRESS SENS LO REF SENS 2 LOW REF A/C REFRIGERANT PRESSURE SENSOR (NEAR THE LOWER RIGHT SIDE OF THE A/C CONDENSER) A/T ACCESSORY WAKEUP SERIAL DATA AIR CONDITIONING SYSTEM APP LO REF APP SENS SIG (2) BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BRAKE PEDAL POSITION SENSOR (ON BRAKE PEDAL BRACKET) BRN/RED WIRE BRN/WHT WIRE CHECK ENGINE IND CTRL 5 VOLT REF SENS SIG CLUTCH PEDAL POSITION SENSOR (ON CLUTCH MASTER CYLINDER PUSH ROD) CNSTR VENT COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRUISE CONTROL SYSTEM ECM BATT FUSE ENGINE CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE SENSOR 2 (2.5L) EVAP CANISTER VENT SOL CTRL EVAPORATIVE EMISSION VENT SOLENOID VALVE (RIGHT REAR FRAME NEAR FUEL TANK) FROM FRONT WIRE CHANNEL UNDER PASSENGER SEAT) FUEL PUMP PRIMARY RELAY CONTROL FUEL TANK PRESSURE SENS SIG 5-V REF FUSE GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY/RED WIRE HI SPD GMLAN SERIAL DATA + HI SPD GMLAN SERIAL DATA - HOT AT ALL TIMES HOT AT ALL TIMES REAR BODY FUSE BLOCK (LEFT SIDE OF FUEL PUMP FSCM FUSE LOW REF LUGGAGE COMPT) M/T POWERTRAIN MAIN RLY FUSED SPLY (2) STARTER ENABLE RLY CTRL POWERTRAIN RLY COIL CTRL POWERTRAIN MAIN RLY FUSED SPLY (1) PRE-THROTTLE AIR PRESS, TEMP SIG 5-V REF APP SENS SIG (1) RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RUN/CRANK IGN 1 VOLT BATT POS VOLT APP LOW REF STARTING/CHARGING SYSTEM VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 BRAKE VACUUM SENS LOW REF 2500 2501 COMPUTER DATA LINES SYSTEM 5 V REF A/C COMPRESSOR CLUTCH RLY CTRL A/C REFRIGERANT PRESS SENS LO REF SENS 2 LOW REF A/C REFRIGERANT PRESSURE SENSOR (NEAR THE LOWER RIGHT SIDE OF THE A/C CONDENSER) A/T ACCESSORY WAKEUP SERIAL DATA AIR CONDITIONING SYSTEM APP LO REF APP SENS SIG (2) BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BRAKE PEDAL POSITION SENSOR (ON BRAKE PEDAL BRACKET) BRN/RED WIRE BRN/WHT WIRE CHECK ENGINE IND CTRL 5 VOLT REF SENS SIG CLUTCH PEDAL POSITION SENSOR (ON CLUTCH MASTER CYLINDER PUSH ROD) CNSTR VENT COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRUISE CONTROL SYSTEM ECM BATT FUSE ENGINE CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE SENSOR 2 (2.5L) EVAP CANISTER VENT SOL CTRL EVAPORATIVE EMISSION VENT SOLENOID VALVE (RIGHT REAR FRAME NEAR FUEL TANK) FROM FRONT WIRE CHANNEL UNDER PASSENGER SEAT) FUEL PUMP PRIMARY RELAY CONTROL FUEL TANK PRESSURE SENS SIG 5-V REF FUSE GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRY/RED WIRE HI SPD GMLAN SERIAL DATA + HI SPD GMLAN SERIAL DATA - HOT AT ALL TIMES HOT AT ALL TIMES REAR BODY FUSE BLOCK (LEFT SIDE OF FUEL PUMP FSCM FUSE LOW REF LUGGAGE COMPT) M/T POWERTRAIN MAIN RLY FUSED SPLY (2) STARTER ENABLE RLY CTRL POWERTRAIN RLY COIL CTRL POWERTRAIN MAIN RLY FUSED SPLY (1) PRE-THROTTLE AIR PRESS, TEMP SIG 5-V REF APP SENS SIG (1) RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RUN/CRANK IGN 1 VOLT BATT POS VOLT APP LOW REF STARTING/CHARGING SYSTEM VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE