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

AFL IND AFS AHL/ PED PROT FUSE AHL FUSE BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE FROM HOOD AJAR SWITCH BREAKOUT) FRONT SUSPENSION HEIGHT SENSOR (IF EQUIPPED) GMLAN SERIAL GRN WIRE GRN/VIO WIRE GRN/WHT WIRE HEADLAMP CONTROL MODULE (FORWARD OF RIGHT REAR LAMP ASSEMBLY) HEADLAMP HORIZONTAL LOGIC MOTOR HEADLAMP HORIZONTAL MOTOR LOGIC HEADLAMP LEVELING ACTUATOR LOGIC HEADLAMP LEVELING LOGIC ACTUATOR HOOD AJAR SWITCH BREAKOUT) HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT HEADLAMP ASSEMBLY LF STRUT POS SENS LOW REF LF STRUT POS SENS SIG LF STRUT POS SENS VOLT REF LOGIC LR STRUT POS SENS LOW REF LR STRUT POS SENS SIG LR STRUT POS SENS VOLT REF NETWORK BUS 6 ORG/ WIRE REAR SUSPENSION HEIGHT SENSOR (IF EQUIPPED) RED WIRE RED/BRN WIRE RED/YEL WIRE RIGHT HEADLAMP ASSEMBLY SERIAL DATA COMMUNICATION ENABLE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) WHT WIRE WHT/BLU WIRE YEL WIRE YEL/RED WIRE

1 2 3 4 5 6 LOW SPEED GMLAN SERIAL DATA 1 2 B+ B+ BLK WIRE BLU WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVER SEAT FRONT VERTICAL MOTOR DRIVER SEAT HORIZONTAL MOTOR DRIVER SEAT LUMBER/ BOLSTER PUMP DRIVER SEAT MEMORY CONTROL MODULE (ON DRIVER SEAT FRAME) DRIVER SEAT REAR VERTICAL MOTOR DRIVER SEAT RECLINE MOTOR DRVR PWR SEAT FUSE GRN WIRE GRN/BRN WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND GRY/BLU WIRE GRY/GRN WIRE HOT AT ALL TIMES LINEAR INT NETWORK BUS 8 MSM FUSE REAR BODY FUSE BLOCK (LEFT SIDE OF LUGGAGE COMPT) RED/WHT WIRE RED/YEL WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) VIO WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE

AMBIENT LIGHT SENS SIG AMBIENT LIGHT/ SUNLOAD SENSOR AUTO AUXILIARY UNDERHOOD FUSE BLOCK BATTERY FUSE BLOCK BCM 3 FUSE BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLU/GRY WIRE BODY CONTROL MODULE (BEHIND GLOVE BOX) BRN WIRE BRN/VIO WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE FLASH TO PASS FOG SW FUSE 6 GRN WIRE GRN/BRN WIRE GRY WIRE GRY/BLU WIRE HDLP DIMMER SW HI BEAM SIG HDLP HI BEAM RLY CTRL HDLP HI LT/RT FUSE HDLP LOW BEAM RLY CTRL HDLP SW FLASH TO PASS SIG HDLP SW HDLPS OFF SIG CTRL HDLP SWITCH ON SIGNAL HEAD HEADLAMP HIGH BEAM RELAY HEADLAMP LOW BEAM RELAY HOT AT ALL TIMES HVAC CONTROL MODULE LEFT HEADLAMP ASSEMBLY LEFT HEADLAMP BALLAST LEFT HIGH BEAM SOLENOID ACTUATOR LEFT LOW BEAM HEADLAMP LEFT PARK DAYTIME RUNNING LAMP LF DRL SPLY VOLT LF AUXILIARY DRL SPLY VOLT LOW REF LOW SPD GMLAN SER DATA LOWER LEFT PARK/ DAYTIME RUNNING LAMP LOWER RIGHT PARK/ DAYTIME RUNNING LAMP LT HID FUSE NCA WIRE OFF ON BATTERY) PARK PNK WIRE REAR BODY FUSE BLOCK REAR FOG LAMP SW SIG RED WIRE RED/GRY WIRE RF DRL SPLY VOLT RR FOG LAMP SPLY VOLT RT AUXILIARY DRL SPLY VOLT RT HID FUSE TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK WHT WIRE WHT/BLU WIRE WHT/DK GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE YEL/GRY WIRE

BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/PPL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DATA COM DK BLU WIRE GRN WIRE GRY WIRE GRY/RED WIRE HIGH BEAM ASSISTANT IND HIGH BEAM LAMP IND INSTRUMENT CLUSTER LOGIC LOW SPD GMLAN SER DATA M/T NCA WIRE PARK BRAKE CONTROL SWITCH PARKING BRAKE CONTROL MODULE PNK WIRE REAR FOG LAMP RED WIRE RIGHT HEADLAMP ASSEMBLY RIGHT HEADLAMP BALLAST RIGHT HIGH BEAM SOLENOID ACTUATOR RIGHT LOW BEAM HEADLAMP RIGHT PARK DAYTIME RUNNING LAMP SIGNAL SPLY VOL SW SIG VOL REF WHT WIRE WHT/BLU WIRE WHT/DK GRN WIRE YEL WIRE YEL/GRY WIRE YEL/RED WIRE

AMBIENT LIGHT SENS SIG AMBIENT LIGHT/ SUNLOAD SENSOR AUTO AUXILIARY UNDERHOOD FUSE BLOCK BATTERY FUSE BLOCK BCM 3 FUSE BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLU/GRY WIRE BODY CONTROL MODULE (BEHIND GLOVE BOX) BRN/VIO WIRE COMPUTER DATA LINES SYSTEM FLASH TO PASS FOG LAMP SW FUSE 6 GRN WIRE GRN/BRN WIRE HDLP DIMMER SW HI BEAM SIG HDLP HI BEAM RLY CTRL HDLP HI LT/RT FUSE HDLP SW FLASH TO PASS SIG HDLP SW HDLPS OFF SIG CTRL HDLP SWITCH ON SIGNAL HEADLAMP HIGH BEAM RELAY HOT AT ALL TIMES HVAC CONTROL MODULE LEFT HEADLAMP ASSEMBLY LEFT HIGH BEAM SOLENOID ACTUATOR LEFT LOW BEAM HEADLAMP LH LOW BEAM SPLY VOLT LOW REF LOW SPD GMLAN SER DATA NCA WIRE OFF ON BATTERY) PARK REAR BODY FUSE BLOCK REAR FOG LAMP SW SIG RED WIRE RED/GRY WIRE RH LOW BEAM SPLY VOLT RR FOG LAMP SPLY VOLT TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK WHT WIRE WHT/BLU WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE YEL/GRY WIRE

BLK WIRE BLK/WHT WIRE COMPUTER DATA LINES SYSTEM GRN WIRE HIGH BEAM ASSISTANT IND HIGH BEAM IND INSTRUMENT CLUSTER LOGIC LOW SPD GMLAN SER DATA REAR FOG LAMP RED WIRE RIGHT HEADLAMP ASSEMBLY RIGHT HIGH BEAM SOLENOID ACTUATOR RIGHT LOW BEAM HEADLAMP WHT WIRE YEL WIRE YEL/GRY WIRE

1 4 GROUND B+ 12 11 15 SW SIG LOW REF SW SIG 3 1 5 NETWORK 8 GMLAN SERIAL DATA GND BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COURTESY LAMP DEFOGGER SYSTEM DOWN DRIVER OUTSIDE REARVIEW MIRROR DRIVER OUTSIDE REARVIEW MIRROR FOLDING MOTOR (IF EQUIPPED) DRIVER OUTSIDE REARVIEW MIRROR GLASS DRIVER OUTSIDE REARVIEW MIRROR MOTOR DRIVER SEAT MEMORY CONTROL MODULE DRIVER SEAT MEMORY SWITCH DRIVER TURN SIGNAL LAMP DRIVER OUTSIDE REARVIEW MIRROR GRN WIRE GRN/BLK WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/LT GRN WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT AT ALL TIMES PASS WNDW SW FUSE INTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM INTERIOR NAVIG- LIGHTS ATION EXTERIOR SYSTEM SYSTEM LIGHTS SYSTEM LEFT LEFT MIRROR CONTROL MODULE (DRIVER DOOR PANEL) LOGIC MEM MIRROR DRIVER DIMMING SIDE OBJECT DETECTION INDICATOR MIRRORS SYSTEM DEFOGGER SYSTEM MSM FUSE NAVIGATION SYSTEM ORG/BLK WIRE OUTSIDE REARVIEW MIRROR SWITCH PASSENGER PASSENGER OUTSIDE FOLDING MOTOR FOLDING MOTOR (IF EQUIPPED) PASSENGER OUTSIDE REARVIEW MIRROR PASSENGER OUTSIDE REARVIEW MIRROR MOTOR PASSENGER OUTSIDE REARVIEW REARVIEW GLASS PASSENGER SIDE OBJECT DETECTION IND PASSENGER WINDOW SWITCH POSITION SIG RED/BLU WIRE RED/VIO WIRE RED/WHT WIRE RIGHT SET- UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/RED WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/GRN WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

AUX AUDIO COMM SIG AUX AUDIO SCREEN (2) AUX DETECTION SIG AUXILIARY AUDIO INPUT BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE COAX COMPUTER DATA LINES SYSTEM GMLAN SERIAL DATA GRN WIRE GRN/BLU WIRE GRY WIRE GRY/VIO WIRE HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY 1 ENERGIZED INSTRUMENT PANEL FUSE BLOCK L AUX AUDIO SIG (2) LOGIC LOW REF MEDIA DISC PLAYER MOST CONTROL MOST SERIAL DATA (+) NCA WIRE NETWORK BUS 10 POSITIVE VOLTAGE PU HD/XM R AUX AUDIO SIG (2) RADIO RADIO ANTENNA RADIO ANTENNA AMPLIFIER RADIO ANTENNA MODULE RDO/ DVD FUSE RDO/ HVAC FUSE REAR BODY FUSE BLOCK RED/VIO WIRE REMOTE CONTROL DOOR LOCK RECEIVER RFR SERIAL DATA SIG GROUND SIGNAL GROUND TELEPHONE VOICE SIG VIO WIRE W/ START/ STOP SYSTEM W/O START STOP SYSTEM WHT/GRN WIRE WHT/VIO WIRE YEL WIRE

AMP FUSE AUDIO AMPLIFIER BATT POS VOLT BLK WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/YEL WIRE BRN/BLU WIRE CENTER INSTRUMENT PANEL SPEAKER COMPUTER DATA LINES SYSTEM ENGINE CONTROLS SYSTEM GMLAN SERIAL DATA GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GROUND GRY/BLU WIRE GRY/BRN WIRE GRY/VIO WIRE HOT AT ALL TIMES LEFT FRONT DOOR SPEAKER LEFT FRONT TWEETER SPEAKER LEFT REAR DOOR SPEAKER LEFT SPEAKER (-) LF SPK - LF SPK SIG (-) LR MID SPK - LR SPK + MICROPHONE RET MICROPHONE SIG MIDRANGE SPEAKER (+) MOST CONTROL REAR BODY FUSE BLOCK RED/YEL WIRE REPLICATED SIGNAL RF SPK - RF SPK SIG (-) RIGHT REAR DOOR SPEAKER RR SPEAKER (+) RR SPK + SERIAL DATA SPEAKER SUBWOOFER SPEAKER VIO/BLU WIRE W/ PREMIUM SURROUND AMPLIFIER WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/WHT WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 DISPLAY SUPY VOLT 1 2 3 4 5 6 7 8 LR CORNER SEN SIG LR MIDDLE SENS SIG 1 2 3 4 5 6 BATT POS VOLT 7 8 9 10 11 12 GND DISABLE SIG ACTIVE SAFETY CONTROL MODULE (FORWARD OF LEFT REAR LAMP ASSEMBLY) BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BREAKOUT) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY FROM FROM RADAR SENSOR MODULE (SHORT RANGE LEFT FRONT) BREAKOUT) FROM REAR FROM REAR OBJECT SENSOR (LEFT FRONT, REAR PARKING ASSIST CONTROL MODULE (RIGHT REAR SIDE OF REAR WINDOW SHELF) GMLAN SERIAL DATA GRN WIRE GRN/BRN WIRE GRY WIRE GRY/GRN WIRE HOT W/ BATTERY SAVER RELAY 2 ENERGIZED INSTRUMENT CLUSTER INSTRUMENT PANEL MULTI-FUNCTION LED DISABLE SIG LEFT MIDDLE FRONT OBJECT SENSOR (FRONT BUMPER FASCIA) LEFT OUTER FRONT OBJECT SENSOR (FRONT BUMPER FASCIA) LF CORNER PARKING CORNER SENS LF MIDDLE SENS SIG LOGIC MIDDLE) BREAKOUT) OBJECT SENSOR (LEFT MIDDLE) BREAKOUT) PARKING ASSIST DISABLE SWITCH REAR BODY FUSE BLOCK REAR PARK ASSIST DISABLE SIG REAR PARK ASSIST LED DIS SIG RED/GRN WIRE RF MIDDLE SENS SIG RF CORNER SENS SIG RIGHT MIDDLE FRONT OBJECT SENSOR (FRONT BUMPER FASCIA) RIGHT OUTER FRONT OBJECT SENSOR (FRONT BUMPER FASCIA) SENS LOW REF SENS SPLY VOLT RR CORNER SENS SIG RR MIDDLE SENS SIG SERIAL DATA SWITCH UPA FUSE VIO/GRY WIRE VIO/WHT WIRE W/ COLLISION AVOIDANCE W/O COLLISION AVOIDANCE W/O HEADUP DISPLAY W/ HEADUP DISPLAY WHT WIRE WHT/GRY WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/VIO WIRE YEL/WHT WIRE