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

1 2 3 4 ACTR RTN ACTR TRANSMIT SIG ACTR RECEIVE SIG ACTR SPLY VOLT 1 2 4 DR LOCK CTRL DR LOCK CTRL (2) ACTR UNLOCK CTRL 2 3 19 15 4 GROUND BAT POS VOLT SW LOCK SIG SW UNLOCK SIG B+ 2.0L 24 20 HOOD STATUS B SIG B+ 25 24 GMLAN SERIAL DATA (+) GMLAN SERIAL DATA (-) 2500 2501 COMPUTER DATA LINES SYSTEM 27 16 ACTR TRANSMIT SIG ACTR RETURN 3 18 13 19 B+ HEAD LP HIGH RLY CTRL HEAD LP LOW RLY CTRL HORN RLY CTRL 309 709 EXTERIOR LIGHTS SYSTEM 5 21 IND DIM CTRL SCTY IND CTRL 5 6 RH PARK LP SPLY VOLT LH PARK LP SPLY VOLT ACTR RECEIVE SIG ACTR SPLY VOLT ANTENNA (UPPER PART OF REAR WINDOW) BCM 5 FUSE BLK WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/VIO 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 COAX OG RFR COMPUTER DATA LINES SYSTEM DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW MOTOR ENGINE CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT) FM/RFR GRN WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/WHT WIRE HEADLIGHTS SYSTEM HORNS SYSTEM HOOD STATUS A SIGNAL HOT AT ALL TIMES HOT AT ALL TIMES UNDERHOOD FUSE BLOCK BCM 7 (RIGHT FRONT OF FUSE ENGINE COMPT) HOT W/ IGNITION MAIN RELAY ENERGIZED AOS DISPLAY/ MIL IGN FUSE LEFT REAR SIG LF DR AJAR SW SIG LOGIC NCA WIRE OG COAX RADIO ANTENNA AMPLIFIER REAR RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE REMOTE CONTROL DOOR LOCK RECEIVER (RIGHT REAR SIDE OF REAR WINDOW SHELF) RFR SCTY LOCK RLY CTRL SENS LOW REF HOOD LATCH SERIAL DATA VIO/GRY WIRE VIO/YEL WIRE W/ START/STOP SYSTEM W/O START/STOP SYSTEM WHT WIRE WHT/VIO WIRE YEL BLK/ WIRE YEL WIRE YEL/GRN 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

BLK WIRE BLU/BRN WIRE BLU/WHT WIRE BRN WIRE BRN/YEL WIRE CHANNEL UNDER LEFT SIDE OF REAR SEAT) 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 LOGIC RIGHT REAR WINDOW SWITCH REAR COMPARTMENT FUSE BLOCK (LEFT SIDE OF LUGGAGE COMPT) RED/BLU WIRE RIGHT REAR DOOR LATCH ASSEMBLY 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 WIRE CHANNEL UNDER LEFT SIDE OF REAR SEAT) YEL WIRE YEL/BLU WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 LOCK SIG 1 2 3 4 5 6 BAT POS VOLT GROUND ACCESSORY VOLT IGN 1 VOLT BAT POS VOLT GROUND BATT RVC BCM 5 FUSE BCM 7 FUSE BCM 8 FUSE BLK WIRE BLK/GRY WIRE BLU WIRE BLU/VIO WIRE BREAKOUT) BRN WIRE BRN/BLK WIRE BRN/YEL WIRE CENTER CONSOLE FRONT KEYLESS ENTRY ANTENNA (FORWARD OF TRANSMISSION SHIFT LEVER) CENTER CONSOLE REAR KEYLESS ENTRY ANTENNA (REARWARD OF TRANSMISSION SHIFT LEVER) COMPUTER DATA LINES SYSTEM DR OPEN SW SIG DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW MOTOR DRIVER WINDOW SWITCH FUSE GMLAN SERIAL DATA GRN WIRE GRN/BLK WIRE GRN/VIO WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES IGNITION MODE SWITCH KEYLESS ENTRY CONTROL MODULE (FORWARD OF RIGHT REAR LAMP ASSEMBLY) LOGIC MTR STATUS PEPS FUSE PPL/BLK WIRE PPL/YEL WIRE REAR COMPARTMENT KEYLESS ENTRY ANTENNA (CENTER OF REAR COMPT) RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE SW SIG SW SIG 2 SW 2 LOW REF SW SIG LF DR AJAR UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) 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 FRONT WIRE CHANNEL UNDER PASSENGER SEAT) 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 IMPACT SENSOR (RIGHT REAR) BREAKOUT) IND DIM CTRL LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR SIG LH PARK LP SPLY VOLT LIFTGATE AJAR SW SIG LOGIC LOGIC LEFT REAR WINDOW SWITCH 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 SW SIG RH PARK LP SPLY VOLT RIGHT REAR SIG SCTY IND CTRL SCTY LOCK RLY CTRL SW LOCK CTRL SW LOCK 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

2.0L 39 40 SERIAL DATA (+) SERIAL DATA (-) AMBIENT LIGHT/SUNLOAD SENSOR (UPPER CENTER OF THE INSTRUMENT PANEL) BLK WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/YEL WIRE CHILD SECURITY LOCK DISABLE RELAY COMPUTER DATA LINES SYSTEM DOOR DEAD LOCK RELAY ENGINE CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT) GRN WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE HOOD LATCH SNSR LOW REF HOOD STATUS A SIGNAL HOT W/ BATTERY SAVER RELAY 2 ENERGIZED HVAC CONTROL MODULE (NEAR RIGHT KICK PANEL) LOGIC RIGHT REAR WINDOW SWITCH NCA WIRE REAR COMPARTMENT FUSE BLOCK (LEFT SIDE OF LUGGAGE COMPT) RED/BLU WIRE RIGHT REAR DOOR LATCH ASSEMBLY RR DR AJAR SW SIG THEFT MDL/ UGDO/RAIN SNSR FUSE VIO/YEL WIRE W/ START/STOP SYSTEM W/O START/STOP SYSTEM WHT WIRE WHT/BLU WIRE WIRE CHANNEL UNDER LEFT SIDE OF REAR SEAT) YEL WIRE

ANETNNA SIG LO ANT SIG HI ANT SIG LO ANTENNA SIG HI ANTENNA SIG LO BLK WIRE BLU WIRE BRN/GRN WIRE BRN/YEL WIRE CO-DRV DR ANT SIG HI CO-DRV DR HANDLE SW SIG DRV DR HANDLE SW SIG COMPUTER DATA LINES SYSTEM DISABLE SIG DOOR LOCK IND DRIVER DOOR HANDLE KEYLESS ENTRY ANTENNA DRIVER EXTERIOR DOOR HANDLE ASSEMBLY DRIVER EXTERIOR DOOR HANDLE SWITCH DRIVER INFORMATION CENTER DISPLAY EXTERIOR DOOR HANDLE SWITCH FOOT WELL) GRN GRY/ WIRE GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/VIO WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED AOS DISPLAY/ MIL IGN FUSE INSTRUMENT CLUSTER INTERIOR SYSTEM LIGHTS KEYLESS ENTRY CONTROL MODULE (FORWARD OF RIGHT REAR LAMP ASSEMBLY) LED CTRL LEFT REAR EXTERIOR DOOR HANDLE ASSEMBLY LEFT REAR EXTERIOR DOOR HANDLE SWITCH LIN BUS 1 LIN BUS 2 LOGIC LT GRN WIRE PASSENGER DOOR HANDLE KEYLESS ENTRY ANTENNA PASSENGER EXTERIOR DOOR HANDLE SWITCH PASSENGER EXTERIOR DOOR HANDLE ASSEMBLY REAR FASCIA KEYLESS ENTRY ANTENNA RED WIRE RED/BLU WIRE RIGHT REAR RIGHT REAR EXTERIOR DOOR HANDLE ASSEMBLY SECURITY IND THEFT DETERRENT SENSOR DISABLE SWITCH UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) VIO WIRE VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE WHT/LT GRN WIRE YEL WIRE YEL/BLU WIRE YEL/GRY WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 POSITIVE VOLTAGE 7532 5060 COMPUTER DATA LINES SYSTEM AUXILIARY AUDIO INPUT BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE COAX COMPUTER DATA LINES SYSTEM FUSE 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 LOGIC LOW REF TELEPHONE VOICE SIG MEDIA DISC PLAYER MOST CONTROL NCA WIRE NETWORK BUS 10 GMLAN SERIAL DATA POSITIVE VOLTAGE PU HD/XM RADIO RADIO ANTENNA RADIO ANTENNA AMPLIFIER RADIO ANTENNA MODULE (UPPER RIGHT "C" PILLAR) RDO/ DVD FUSE RDO/ HVAC REAR BODY FUSE BLOCK RED/VIO WIRE RFR SERIAL DATA SIGNAL GROUND VIO WIRE W/ START/ STOP SYSTEM W/O COMPACT DISC W/O START STOP SYSTEM WHT/GRN WIRE WHT/VIO WIRE YEL WIRE

AUDIO SIG + BATT POS VOLT BLK WIRE BLK/BRN (OR BLK/GRY) WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU (OR GRY/YEL) WIRE BLU WIRE CAMERA SIGNAL - COAX COMMUNICATION ENABLE COMPUTER DATA LINES SYSTEM DRAIN WIRE GMLAN SERIAL DATA GPS GPS/CELL GRN/WHT WIRE GRY/VIO WIRE GRY/YEL WIRE HUMAN INTERFACE CONTROL MODULE (BEHIND GLOVE BOX) LOW REF MICROPHONE/AUDIO MOST CONTROL MOST SERIAL DATA (+) NAVIGATION DISPLAY SIG NAVIGATION SYSTEM NCA WIRE NETWORK BUS 5 RED WIRE RED/VIO WIRE SER DATA SIGNAL GROUND USB RECEPTACLE (BEHIND RADIO/HVAC CONTROL ASSEMBLY) USB SRL DATA LOW REF VOICE SIG W/ NAVIGATION VEHICLE SYSTEM W/ ONSTAR W/O NAVIGATION VEHICLE SYSTEM W/O ONSTAR WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE

BAT POS VOLT BATT POS VOLT BLK WIRE BLK/YEL WIRE BUS 12 COMPUTER DATA LINES SYSTEM DISPLAY DISPLAY FUSE FUSE GMLAN SERIAL DATA GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK (LEFT SIDE OF INSTRUMENT PANEL) JXXX LEFT UP LOGIC NCA WIRE NETWORK NETWORK BUS 10 NETWORK BUS 5 NETWORK BUS 9 RADIO/HVAC CONTROLS RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT RIGHT STEERING WHEEL CONTROLS SWITCH SEEK DOWN DOWN SEEK UP SEL STEERING WHEEL AIR BAG COIL STR WHL CNTRL VOL (-)