Cadillac ATS I (2012-2014) serial data 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

2.0L A SIGNAL ACTR RECEIVE SIG ACTR RETURN ACTR RTN ACTR SPLY VOLT ACTR TRANSMIT SIG ACTR UNLOCK CTRL AMBIENT LIGHT/SUNLOAD SENSOR ANTENNA AOS DISPLAY/ MIL IGN FUSE BAT POS VOLT BCM 5 FUSE BCM 7 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 COMPUTER DATA LINES SYSTEM DR LOCK CTRL DR LOCK CTRL (2) DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW MOTOR ENGINE CONTROL MODULE FM/RFR GMLAN SERIAL DATA GRN WIRE GROUND GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/WHT WIRE HEAD LP HIGH RLY CTRL HEAD LP LOW RLY CTRL HEADLIGHTS SYSTEM HOOD LATCH HOOD STATUS HOOD STATUS B SIG HORN RLY CTRL HORNS SYSTEM HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED HVAC CONTROL MODULE IND DIM CTRL LEFT REAR SIG LF DR AJAR LH PARK LP SPLY VOLT LOGIC NCA WIRE OG COAX RADIO ANTENNA AMPLIFIER REAR COMPARTMENT LID LATCH RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE REMOTE CONTROL DOOR LOCK RECEIVER RFR RH PARK LP SPLY VOLT RIGHT REAR SIG SCTY IND CTRL SCTY LOCK RLY CTRL SENS LOW REF SERIAL DATA SW LOCK CTRL SW LOCK SIG SW SIG SW UNLOCK CTRL SW UNLOCK SIG UNDERHOOD FUSE BLOCK VIO/GRY WIRE VIO/YEL WIRE W/ START/STOP SYSTEM W/O START/STOP SYSTEM WHT WIRE WHT/VIO WIRE YEL WIRE YEL/GRN WIRE YEL/VIO WIRE

2.0L AMBIENT LIGHT/SUNLOAD SENSOR 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 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 LOGIC NCA WIRE REAR COMPARTMENT FUSE BLOCK RED/BLU WIRE RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH RR DR AJAR SW SIG SERIAL DATA THEFT MDL/ UGDO/RAIN SNSR FUSE VIO/YEL WIRE W/ START/STOP SYSTEM W/O START/STOP SYSTEM WHT WIRE WHT/BLU WIRE YEL 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 DRAIN WIRE FUSE GRN WIRE GRN/BLU WIRE GRY WIRE GRY/VIO WIRE HOT AT ALL TIMES LOGIC LOW REF LOW REF TELEPHONE VOICE SIG MEDIA DISC PLAYER MOST CONTROL NCA WIRE NETWORK BUS 10 GMLAN SERIAL DATA POSITIVE VOLTAGE RADIO RADIO ANTENNA RADIO ANTENNA AMPLIFIER RADIO ANTENNA MODULE (UPPER RIGHT "C" PILLAR) RDO/ DVD REAR BODY FUSE BLOCK RED/VIO WIRE RFR SERIAL DATA SIGNAL GROUND VIO WIRE VOICE SIG W/O COMPACT DISC WHT WIRE WHT/GRN WIRE WHT/VIO WIRE YE HD/XM YEL 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

1 2 3 RTN LIN BUS 11 SPLY VOLT 2.0L 2500 2501 COMPUTER DATA LINES SYSTEM 39 40 SERIAL DATA (+) SERIAL DATA (-) BAT POS VOLT BCM 7 FUSE BLK WIRE BLK/ (OR BLK WIRE BLK/YEL WIRE BLU WIRE BODY CONTROL MODULE (BEHIND GLOVE BOX) BRN/GRN WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM 87 76 65 DRIVER SECURITY INFORMATION IND CENTER DISPLAY ENGINE CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT) GRN RED/ WIRE GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GROUND GRY/BLK WIRE HOOD AJAR SWITCH (AT HOOD LATCH) HOOD LATCH SNSR LOW REF HOOD SIG HOOD STATUS A SIGNAL HOT AT ALL TIMES INSTRUMENT CLUSTER LOGIC NCA WIRE RED/GRN WIRE SERIAL DATA UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) W/ START/STOP SYSTEM W/O START/STOP SYSTEM WHT WIRE YEL BLK/ WIRE YEL WIRE

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

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 DRAIN WIRE FUSE GRN WIRE GRN/BLU WIRE GRY WIRE GRY/VIO WIRE HOT AT ALL TIMES LOGIC LOW REF LOW REF TELEPHONE VOICE SIG MEDIA DISC PLAYER MOST CONTROL NCA WIRE NETWORK BUS 10 GMLAN SERIAL DATA POSITIVE VOLTAGE RADIO RADIO ANTENNA RADIO ANTENNA AMPLIFIER RADIO ANTENNA MODULE (UPPER RIGHT "C" PILLAR) RDO/ DVD REAR BODY FUSE BLOCK RED/VIO WIRE RFR SERIAL DATA SIGNAL GROUND VIO WIRE VOICE SIG W/O COMPACT DISC WHT WIRE WHT/GRN WIRE WHT/VIO WIRE YE HD/XM YEL 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

AERO BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CTRL ENGINE CHECK ENGINE COOLANT TEMPERATURE (ECT) SENSOR (NEAR MECHANICAL VACUUM PUMP) EXHAUST BANK 2 CAMSHAFT POSITION SENSOR (ON LEFT CYLINDER HEAD) GRN WIRE GRN/BRN WIRE GRY/BLU BLK/GRN WIRE GRY/BLU WIRE HOT AT ALL TIMES BATTERY FUSE BLOCK (ON BATTERY) FUSE IGN 1 IND CTRL INSTRUMENT CLUSTER INTAKE BANK 1 CAMSHAFT POSITION SENSOR (ON RIGHT CYLINDER HEAD) LOGIC LOGIC ACTIVE GRILLE AIR SHUTTER ACTUATOR (BEHIND CENTER OF FRONT FASCIA) MAL- FUNCTION IND RED WIRE SECONDARY AIR INJECTION (AIR) PUMP (LEFT FRONT OF ENGINE) SERIAL DATA SIG SPLY (5) VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRY WIRE VOLT WHT WIRE WHT/RED WIRE YEL WIRE YEL/VIO WIRE YEL/WHT WIRE