Cadillac ATS I (2012-2014) blk/grn Wiring diagrams

1 2 GND BATT POSITIVE VOL 19 18 3531 3532 NEUTRAL GEAR SENSOR RETURN NEUTRAL GEAR SENSOR SUPPLY 4 5 BATT POSITIVE VOL RUN/CRANK IGN 1 VOL AUTO STOP START INDICATOR CTRL AUTO STOP START SWITCH SIGNAL AUXILIARY UNDERHOOD FUSE BLOCK (RIGHT FRONT ENGINE COMPT) BATT POSITIVE VOL BATT RVC FUSE BATTERY BATTERY FUSE BLOCK (ON BATTERY) BATTERY FUSE FUSE HOLDER HOLDER BATTERY SENSOR MODULE (LEFT REAR OF LUGGAGE COMPT) BLK WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BODY CONTROL MODULE (BEHIND GLOVE BOX) BRN WIRE BRN/GRN WIRE CHARGE IND CHARGE IND CTRL COMPUTER DATA LINES SYSTEM DC DC TRANS FUSE DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT) FUSE FUSE 4 FUSE 5 FUSE 6 GENERATOR GENERATOR FIELD DUTY CYCLE SIG GRN WIRE GRN/BRN WIRE GRN/RED WIRE GROUND GRY WIRE GRY/VIO WIRE HIGH SPEED GMLAN SERIAL DATA (+) HOOD AJAR SWITCH (AT HOOD LATCH) HOOD STATUS B SIGNAL HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INDICATOR DIMMING CONTROL INSTRUMENT CLUSTER INSTRUMENT PANEL MULTI- FUNCTION SWITCH LIN INTERCONNECT NETWORK BUS 1 LOGIC LOW SPD GMLAN SERIAL DATA NCA WIRE NEUTRAL GEAR SENSOR SIGNAL (1) NEUTRAL POSITION SENSOR (LEFT REAR OF TRANSMISSION) POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER (LEFT REAR CORNER OF LUGGAGE COMPT) REAR BODY FUSE BLOCK RED WIRE RED/BLU WIRE RED/BRN WIRE RED/YEL WIRE STARTER MOTOR SYSTEM 7 23 25 27 HOOD STATUS A SIGNAL HOOD LATCH SENSOR LOW REF TRLR/ SUNSHD VIO WIRE VIO/BLK WIRE WHT WIRE WHT/GRN 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

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

1 2 7 RF DRL SPLY VOLT LF DRL SPLY VOLT 18 5 HDLP HI BEAM RLY CTRL 8 18 GND LOW REF AMBIENT LIGHT SENS SIG AMBIENT LIGHT/ SUNLOAD SENSOR (UPPER CENTER OF THE INSTRUMENT PANEL) AUXILIARY UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE BATTERY 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 COMPT) COMPUTER DATA LINES SYSTEM DK BLU WIRE FOG SW FUSE FUSE 6 BLOCK (ON BATTERY) GRN WIRE GRN/BRN WIRE GRY WIRE GRY/BLU WIRE HDLP DIMMER SW HI BEAM SIG HDLP HI LT/RT HDLP LOW BEAM RLY CTRL 3 1 B+ GND HDLP SW FLASH TO PASS SIG HDLP SWITCH ON SIGNAL HDLP SW HDLPS OFF SIG CTRL HEAD PARK AUTO HEADLAMP HIGH BEAM RELAY HEADLAMP LOW BEAM RELAY HOT AT ALL TIMES HOT AT ALL TIMES REAR BODY FUSE BLOCK BCM 3 (LEFT SIDE OF FUSE LUGGAGE COMPT) HVAC CONTROL MODULE (NEAR RIGHT KICK PANEL) LEFT HEADLAMP ASSEMBLY LEFT HEADLAMP BALLAST LEFT HIGH BEAM SOLENOID ACTUATOR LEFT LOW BEAM HEADLAMP LEFT PARK DAYTIME RUNNING LAMP LF AUXILIARY DRL SPLY VOLT REAR FOG LAMP SW SIG LOW SPD GMLAN SER DATA LOWER LEFT PARK/ DAYTIME RUNNING LAMP LOWER RIGHT PARK/ DAYTIME RUNNING LAMP LT HID FUSE NCA WIRE OFF FLASH TO PASS PNK WIRE RED WIRE RED/GRY WIRE RR FOG LAMP SPLY VOLT RT AUXILIARY DRL SPLY VOLT RT HID FUSE TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) WHT WIRE WHT/BLU WIRE WHT/DK GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE YEL/GRY WIRE

1 2 RH LOW BEAM SPLY VOLT LH LOW BEAM SPLY VOLT 18 5 HDLP HI BEAM RLY CTRL 3 1 B+ GND 8 18 GND LOW REF AMBIENT LIGHT SENS SIG AMBIENT LIGHT/ SUNLOAD SENSOR (UPPER CENTER OF THE INSTRUMENT PANEL) AUXILIARY UNDERHOOD FUSE BLOCK BATTERY 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 BLOCK (ON BATTERY) GRN WIRE GRN/BRN WIRE HDLP DIMMER SW HI BEAM SIG HDLP HI LT/RT FUSE HDLP SW FLASH TO PASS SIG HDLP SWITCH ON SIGNAL HDLP SW HDLPS OFF SIG CTRL HEADLAMP HIGH BEAM RELAY HIGH PARK AUTO HOT AT ALL TIMES HOT AT ALL TIMES REAR BODY BCM 3 FUSE BLOCK FUSE (LEFT SIDE OF LUGGAGE COMPT) HVAC CONTROL MODULE (NEAR RIGHT KICK PANEL) LEFT HEADLAMP ASSEMBLY LEFT HIGH BEAM SOLENOID ACTUATOR LEFT LOW BEAM HEADLAMP LOW SPD GMLAN SER DATA NCA WIRE OFF REAR FOG LAMP SW SIG RED WIRE RED/GRY WIRE RR FOG LAMP SPLY VOLT TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) WHT WIRE WHT/BLU WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE YEL/GRY 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

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

A/C COMPRESSOR CLUTCH RELAY AIR PUMP FUSE AREO AUXILIARY COOLANT PUMP RELAY AUXILIARY UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) BATT POS VOL BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROLS IGNITION RELAY FSCM IGN FUSE FUEL PRESSURE SENSOR (NEAR FUEL TANK) FUEL PUMP CONTROL MODULE (FORWARD OF RIGHT REAR LAMP ASSEMBLY) FUEL PUMP ECM/ CNSTR FSCM COMPT) BATT VENT FUSE FUSE FUSE FUEL PUMP LOW REF FUEL SHLD EXTSN GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT AT ALL TIMES REAR BODY FUSE BLOCK (LEFT SIDE OF LUGGAGE HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT 1 IGN COIL INJ/SPARE FUSE IGN SPARE ECM COIL INJ PT FUSE FUSE FUSE LOW REF NCA WIRE ODD FUSE POWER DISTRIBUTION SYSTEM PRESS SENS SIG PUMP RLY CTRL PUMP SUPY VOL RED WIRE RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE SAVER MODULE CONNECTOR) SECONDARY AIR INJECTION PUMP RELAY SECONDARY AIR INJECTION SOLENOID VALVE RELAY SER DATA BUS - SER DATA COMM SHUTTER CTRL SNSR EMIS FUSE VIO/BLK WIRE VIO/BLU WIRE VIO/GRY WIRE WHT WIRE WHT/RED WIRE YEL WIRE YEL/WHT 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

5 VOLT REF BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CRANK POS SENS SIG ENGINE CONTROL MODULE (ECM) (RIGHT FRONT OF ENGINE COMPT) FUEL RAIL PRESSURE SENSOR (ON ENGINE FUEL RAIL) GRN/BLU WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/RED WIRE GRY/WHT WIRE HI BANK 1 SENS (1) HI BANK 2 SENS (1) HI BANK 1 SENS (2) HI BANK 2 SENS (2) HUMIDITY SENS SIG ACTUATOR CTRL CLOSE VLV 1 LOW REF 5-VOLT REF FRP SENS SIG KNOCK SENS 1 SIG KNOCK SENS 2 SIG KNOCK SENSOR 1 (RIGHT SIDE OF ENGINE BLOCK) KNOCK SENSOR 2 (LOWER LEFT SIDE OF ENGINE BLOCK) LOGIC LOW BANK 1 SENS (1) LOW BANK 2 SENS (1) LOW BANK 1 SENS (2) LOW BANK 2 SENS (2) LOW REF LOW REF SENS SIG MANIFOLD ABSOLUTE PRESSURE SENSOR (IN ENGINE COMPT) MAP SENS SIG 5 VOLT REF MULTI-FUNCTION INTAKE AIR SENSOR (ON AIR CLEANER ASSEMBLY) NAVIGATION, SOUND SYSTEMS 6091 3113 3122 432 2704 OIL LEVEL SW SIG STARTING/ CHARGING STARTING/ CHARGING SYSTEM SYSTEM SYSTEM 1174 3212 3223 469 TAN WIRE THROTTLE ACTU CTRL OPEN THROTTLE BODY (FRONT OF ENGINE) VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/WHT WIRE