Cadillac STS I facelift (2007-2011) brn Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 PNK WIRE ABS IND. AIR BAG IND AUDIBLE ALARM BACKLIGHTING CTRL BACKLIGHTING IND BATT POS VOLT IGN 1 VOLT BLK WIRE BLK/WHT WIRE BRAKE FLUID LEVEL SWITCH BRAKE IND BRN WIRE BRN/WHT WIRE CLASS 2 (ECM) COMPUTER DATA LINES SYSTEM CRUISE CHARGE IND IND DIC SW SIG DIC SW LOW REF DIC TOGGLE SW PASS SEAT BELT PPL IND CTRL DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DOOR OPEN SW SIG DRIVER INFORMATION CENTER (DIC) DISPLAY ECM/TCM IGN FUSE EKM/I/P MDL FUSE ENGINE CONTROLS SYSTEM FRONT FOG LAMPS IND FUEL LEVEL GAUGE GMLAN GMLAN (EBCM) GMLAN (ECM) GMLAN (ECM) B+ GMLAN (IPM) GMLAN (RIM) GMLAN (SDM) GMLAN (TCM) GMLAN GMLAN (ECM) (ECM) GMLAN GMLAN (RIM) (IPM) GMLAN SERIAL GROUND GROUND LOW SPD GMLAN DATA HIGH BEAM IND HOT AT ALL TIMES HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE COMPT) HOT W/ RUN/ CRNK RELAY ENERGIZED HUD FUSE INFLATABLE RESTRAINT I/P MODULE INDICATOR INSTRUMENT PANEL CLUSTER (IPC) IPC LANE DEPARTURE ENGINE WARNING IND COOLANT TEMPERATURE IND LEFT TURN IND LOGIC LOW SPD GMLAN DATA GROUND LOW TIRE PRESSURE IND LT GRN WIRE MALFUNCTION IND OIL LEVEL IND PARK LIGHTS IND PASS SEAT BELT IND PASSENGER DOOR CONTROL MODULE (INSIDE PASSENGER'S DOOR) PASSENGER DOOR LATCH (IN MIDDLE REAR OF LEFT REAR DOOR) PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL SENSOR SIGNAL CHK ENG IND CTRL RED WIRE RED/WHT WIRE RIGHT REAR DOOR CONTROL MODULE (INSIDE RIGHT REAR DOOR) RIGHT TURN IND SEAT BELT IND SECURITY TRACTION IND OFF IND SPEEDOMETER GAUGE TACHOMETER GAUGE TAP UP/ GMLAN DOWN ENABLE (ECM) IND TEMPERATURE GAUGE WHT WIRE YEL/BLK WIRE

26 9 36 42 55 SENSOR SIG LOW REF SENSOR SIG SERIAL DATA + SERIAL DATA - 43 61 40 LOW REF OIL SW SIG AUTO ON BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COURTESY LMP SW ON SIG DISPLAY DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DOOR OPEN SW SIG DRIVER DOOR CONTROL MODULE (INSIDE DRIVER'S DOOR) DRIVER DOOR LATCH (IN MIDDLE REAR OF DRIVER DOOR) ENG/ MET TRIP RESET ENGINE CONTROL MODULE (ECM) (FRONT OF ENGINE, ON RIGHT VALVE COVER) ENGINE CONTROLS SYSTEM GMLAN SERIAL DATA NIGHT VISION IMAGE UP SIG HUD SWITCH LOW REF GRN WIRE GROUND GROUND DISTRIBUTION SYSTEM GRY WIRE I/P DIMMER SW SIG I/P DIMMER SWITCH IMAGE DN BATTERY POSITIVE VOLT IMAGE DN IMAGE UP IMAGE UP INFO RESET INFO UP INFO DN INSTRUMENT PANEL MODULE (IPM) (RIGHT SIDE OF DASH, BEHIND GLOVE BOX) LEFT REAR DOOR CONTROL MODULE (INSIDE LEFT REAR DOOR) LEFT REAR DOOR LATCH (IN MIDDLE REAR OF PASSENGER DOOR) LO SPD GMLAN SERIAL DATA LOGIC LOGIC HEAD UP DISPLAY (HUD) LOW REF LOW SPD GMLAN DATA LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE NIGHT VISION IMAGE DOWN NIGHT VISION IMAGE DIMMING GROUND PARK BRAKE SWITCH (AT BASE OF BRAKE PEDAL) PK BRK SW SIG PNK WIRE PNK/ DK WIRE PNK/BLK WIRE RED/WHT WIRE TAN WIRE TAN/BLK WIRE TRIP A/B W/ HEAD UP DISPLAY WHT WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 PNK WIRE ABS IND. AIR BAG IND AUDIBLE ALARM BACKLIGHTING CTRL BACKLIGHTING IND BATT POS VOLT IGN 1 VOLT BLK WIRE BLK/WHT WIRE BRAKE FLUID LEVEL SWITCH BRAKE IND BRN WIRE BRN/WHT WIRE CLASS 2 (ECM) COMPUTER DATA LINES SYSTEM CRUISE CHARGE IND IND DIC SW SIG DIC SW LOW REF DIC TOGGLE SW PASS SEAT BELT PPL IND CTRL DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DOOR OPEN SW SIG DRIVER INFORMATION CENTER (DIC) DISPLAY ECM/TCM IGN FUSE EKM/I/P MDL FUSE ENGINE CONTROLS SYSTEM FRONT FOG LAMPS IND FUEL LEVEL GAUGE GMLAN GMLAN (EBCM) GMLAN (ECM) GMLAN (IPM) GMLAN (RIM) GMLAN (SDM) GMLAN (TCM) GMLAN GMLAN (ECM) (ECM) GMLAN GMLAN (RIM) (IPM) GMLAN SERIAL GROUND GROUND LOW SPD GMLAN DATA HIGH BEAM IND HOT AT ALL TIMES HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE COMPT) HOT W/ RUN/ CRNK RELAY ENERGIZED HUD FUSE INFLATABLE RESTRAINT I/P MODULE INDICATOR INSTRUMENT PANEL CLUSTER (IPC) IPC LANE DEPARTURE ENGINE WARNING IND COOLANT TEMPERATURE IND LEFT TURN IND LOGIC LOW SPD GMLAN DATA GROUND LOW TIRE PRESSURE IND LT GRN WIRE MALFUNCTION IND OIL LEVEL IND PARK LIGHTS IND PASS SEAT BELT IND PASSENGER DOOR CONTROL MODULE (INSIDE PASSENGER'S DOOR) PASSENGER DOOR LATCH (IN MIDDLE REAR OF LEFT REAR DOOR) PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL SENSOR SIGNAL CHK ENG IND CTRL RED WIRE RED/WHT WIRE RIGHT REAR DOOR CONTROL MODULE (INSIDE RIGHT REAR DOOR) RIGHT TURN IND SEAT BELT IND SECURITY TRACTION IND OFF IND TACHOMETER GAUGE SPEEDOMETER GAUGE TAP UP/ GMLAN DOWN ENABLE (ECM) IND TEMPERATURE GAUGE WHT WIRE YEL/BLK WIRE

45 65 LOW REF TEMP SENSOR 45 9 44 SENSOR SIG LOW REF SENSOR SIG 5060 2384 5699 PNK WIRE 53 33 SERIAL DATA + SERIAL DATA - 60 24 40 OIL SW SIG LOW REF AUTO ON IMAGE UP BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COURTESY LMP SW ON SIG DISPLAY DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DOOR OPEN SW SIG DRIVER DOOR CONTROL MODULE (INSIDE DRIVER'S DOOR) DRIVER DOOR LATCH (IN MIDDLE REAR OF DRIVER DOOR) ENGINE CONTROLS SYSTEM ENGINE OIL PRESSURE (EOP) SENSOR (ON LEFT SIDE OF ENGINE) GMLAN SERIAL DATA NIGHT VISION IMAGE UP SIG HUD SWITCH LOW REF GRN WIRE GROUND GROUND DISTRIBUTION SYSTEM (IN PASSENGER COMPT, BEHIND LEFT KICK PANEL) GRY WIRE I/P DIMMER SW SIG I/P DIMMER SWITCH IMAGE DN IMAGE DN BATTERY POSITIVE VOLT IMAGE UP INFO RESET INFO DN INFO UP INSTRUMENT PANEL MODULE (IPM) (RIGHT SIDE OF DASH, BEHIND GLOVE BOX) LEFT REAR DOOR CONTROL MODULE (INSIDE LEFT REAR DOOR) LEFT REAR DOOR LATCH (IN MIDDLE REAR OF PASSENGER DOOR) LO SPD GMLAN SERIAL DATA LOGIC LOGIC HEAD UP DISPLAY (HUD) LOW REF LOW SPD GMLAN DATA LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE NIGHT VISION IMAGE DOWN NIGHT VISION IMAGE DIMMING GROUND OIL SW SIG PARK BRAKE SWITCH (AT BASE OF BRAKE PEDAL) PK BRK SW SIG PNK/ DK PNK WIRE PNK/BLK WIRE RED/WHT WIRE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRIP A/B TRIP RESET ENG/ MET W/ HEAD UP DISPLAY WHT WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 PNK WIRE ABS IND. AIR BAG IND AUDIBLE ALARM BACKLIGHTING CTRL BACKLIGHTING IND BATT POS VOLT IGN 1 VOLT BLK WIRE BLK/WHT WIRE BRAKE FLUID LEVEL SWITCH BRAKE IND BRN WIRE BRN/WHT WIRE CLASS 2 (ECM) COMPUTER DATA LINES SYSTEM CRUISE CHARGE IND IND DIC SW SIG DIC SW LOW REF DIC TOGGLE SW PASS SEAT BELT PPL IND CTRL DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DOOR OPEN SW SIG DRIVER INFORMATION CENTER (DIC) DISPLAY ECM/TCM IGN FUSE EKM/I/P MDL FUSE ENGINE CONTROLS SYSTEM FRONT FOG LAMPS IND FUEL LEVEL GAUGE GMLAN GMLAN (EBCM) GMLAN (ECM) GMLAN (IPM) GMLAN (RIM) GMLAN (SDM) GMLAN (TCM) GMLAN GMLAN (ECM) (ECM) GMLAN GMLAN (RIM) (IPM) GMLAN SERIAL GROUND GROUND LOW SPD GMLAN DATA HIGH BEAM IND HOT AT ALL TIMES HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE COMPT) HOT W/ RUN/ CRNK RELAY ENERGIZED HUD FUSE INFLATABLE RESTRAINT I/P MODULE INDICATOR INSTRUMENT PANEL CLUSTER (IPC) IPC LANE DEPARTURE ENGINE WARNING IND COOLANT TEMPERATURE IND LEFT TURN IND LOGIC LOW SPD GMLAN DATA GROUND LOW TIRE PRESSURE IND LT GRN WIRE MALFUNCTION IND OIL LEVEL IND PARK LIGHTS IND PASS SEAT BELT IND PASSENGER DOOR CONTROL MODULE (INSIDE PASSENGER'S DOOR) PASSENGER DOOR LATCH (IN MIDDLE REAR OF LEFT REAR DOOR) PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL SENSOR SIGNAL CHK ENG IND CTRL RED WIRE RED/WHT WIRE RIGHT REAR DOOR CONTROL MODULE (INSIDE RIGHT REAR DOOR) RIGHT TURN IND SEAT BELT IND SECURITY TRACTION IND OFF IND TACHOMETER GAUGE SPEEDOMETER GAUGE TAP UP/ GMLAN DOWN ENABLE (ECM) IND TEMPERATURE GAUGE WHT WIRE YEL/BLK WIRE

45 65 LOW REF TEMP SENSOR 45 9 44 SENSOR SIG LOW REF SENSOR SIG 5060 2384 5699 PNK WIRE 53 33 SERIAL DATA + SERIAL DATA - 60 24 40 OIL SW SIG LOW REF AUTO ON IMAGE UP BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COURTESY LMP SW ON SIG DISPLAY DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DOOR OPEN SW SIG DRIVER DOOR CONTROL MODULE (INSIDE DRIVER'S DOOR) DRIVER DOOR LATCH (IN MIDDLE REAR OF DRIVER DOOR) ENGINE CONTROLS SYSTEM ENGINE OIL PRESSURE (EOP) SENSOR (ON LEFT SIDE OF ENGINE) GMLAN SERIAL DATA NIGHT VISION IMAGE UP SIG HUD SWITCH LOW REF GRN WIRE GROUND GROUND DISTRIBUTION SYSTEM (IN PASSENGER COMPT, BEHIND LEFT KICK PANEL) GRY WIRE I/P DIMMER SW SIG I/P DIMMER SWITCH IMAGE DN IMAGE DN BATTERY POSITIVE VOLT IMAGE UP INFO RESET INFO DN INFO UP INSTRUMENT PANEL MODULE (IPM) (RIGHT SIDE OF DASH, BEHIND GLOVE BOX) LEFT REAR DOOR CONTROL MODULE (INSIDE LEFT REAR DOOR) LEFT REAR DOOR LATCH (IN MIDDLE REAR OF PASSENGER DOOR) LO SPD GMLAN SERIAL DATA LOGIC LOGIC HEAD UP DISPLAY (HUD) LOW REF LOW SPD GMLAN DATA LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE NIGHT VISION IMAGE DOWN NIGHT VISION IMAGE DIMMING GROUND OIL SW SIG PARK BRAKE SWITCH (AT BASE OF BRAKE PEDAL) PK BRK SW SIG PNK/ DK PNK WIRE PNK/BLK WIRE RED/WHT WIRE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRIP A/B TRIP RESET ENG/ MET W/ HEAD UP DISPLAY WHT WIRE YEL WIRE

1 9 BATT POSITIVE VOLT BATT POSITIVE VOLT 3.6L 4.4L, 4.6L ANTENNA AUX VID BLK WIRE BLK/WHT WIRE BRN WIRE CASE GROUND CELLULAR MICROPHONE SIGNAL DRAIN WIRE 10 2 COAX ANTENNA COAX COAX RADIO ANTENNA COAX COMPUTER DATA LINES SYSTEM (IN REAR COMPT, TO REAR OF LEFT REAR SHOCK TOWER) DK GRN WIRE GRY WIRE HOT AT ALL TIMES INSIDE REARVIEW MIRROR (ISRVM) J/C NCA WIRE PNK PPL WIRE PNK VOICE RECOG SIG VOICE RECOG LOW DRAIN WIRE PNK WIRE PNK/BLK WIRE PPL RADIO RADIO ANTENNA MODULE (ABOVE CENTER RADIO REAR WINDOW ANTENNA RDO/ ONSTAR FUSE REAR OBJECT SENSOR CONTROL MODULE RED WIRE RED/WHT WIRE RH LH AUX AUX AUX DRAIN DRAIN AUD AUD HI DET WIRE WIRE SIG SIG SIG SIG RIGHT REAR FUSE BLOCK (UNDER RIGHT SIDE OF REAR SEAT) VEHICLE SPEED SIG W/ HID HEADLAMPS W/ INFOTAINMENT SYSTEM 012, 014, 015 W/ INTELLIGENT HIGH BEAM CONTROL W/ VEHICLE COMMUNICATION SYSTEM WHT WIRE YEL WIRE

1 3 2 SENSOR SIGNAL SUPPLY VOLTAGE LOW REFERENCE 2 3 1 LOW REFERENCE SUPPLY VOLTAGE SENSOR SIGNAL 2 3 4 5 6 BATT POSITIVE VOLT SERIAL DATA SERIAL DATA GND GND 24 2525 BACKUP LAMP FEED REAR PARKING DIAGNOSTIC SIG 4 2 5 SERIAL DATA BATT POSITIVE VOLT GND 850 1339 GROUND IGN 1 VOLTAGE PNK WIRE BCK/UP LAMP FUSE BCK/UP LAMP RELAY BLK WIRE BRN WIRE CENTER AMBER IND CENTER AMBER IND CTRL LEFT AMBER IND CTRL COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRIVER DOOR CONTROL MODULE (INSIDE DRIVER'S DOOR) DRIVER OUTSIDE REARVIEW MIRROR FASCIA) GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY ENERGIZED IND J/C LED SIG LEFT AMBER IND LEFT REAR CORNER OBJECT ALARM SENSOR (ON LEFT REAR CORNER OF REAR LEFT REAR FUSE BLOCK (UNDER LEFT SIDE OF REAR SEAT) LEFT REAR MIDDLE OBJECT ALARM SENSOR (ON LEFT REAR MIDDLE OF REAR FASCIA) LEFT SIDE OBJECT SENSOR (ON LEFT REAR OF VEHICLE) LT BLU WIRE LT GRN WIRE MIDDLE OBJECT SENSOR CONNECTOR) NAVIGATION CIRCUIT ORG/ WIRE PASSENGER DOOR CONTROL MODULE (INSIDE PASSENGER'S DOOR) PASSENGER OUTSIDE REARVIEW MIRROR PNK WIRE PPL REAR INTEGRATION MODULE (RIM) (IN LEFT SIDE OF REAR COMPT, UNDER REAR SHELF) REAR OBJECT SENSOR CONTROL MODULE REAR PARKING ASSIST (RPA) DISPLAY REAR PARKING ASSIST CHIME SIG RED IND CTRL WIRE RED WIRE RED/WHT WIRE REVERSE RELAY COIL FEED RIGHT REAR CORNER OBJECT ALARM SENSOR (ON RIGHT REAR CORNER OF REAR FASCIA) RIGHT REAR FUSE BLOCK RIGHT REAR MIDDLE OBJECT ALARM SENSOR (ON RIGHT REAR MIDDLE OF REAR FASCIA) RIGHT SIDE OBJECT SENSOR (ON LEFT REAR OF VEHICLE) RIM/RPA/ ISRVM/CLM FUSE RT TRN/ SBZA FUSE SERIAL DATA VEHICLE SPEED SIG WHT WIRE YEL WIRE

AIR BAG (BATT) FUSE AIR BAG/ IGN BLK WIRE BLK/WHT WIRE BRN WIRE CASE GROUND CLASS 2 (SDM) IGN DK GRN WIRE DRIVER SEAT BELT BUCKLE DRIVER SEAT BELT RETRACTOR (LEFT "B" PILLAR) DRIVER SEAT BELT SWITCH FUSE GMLAN SERIAL DATA GROMMET) HOT AT ALL TIMES HOT W/ RUN RELAY ENERGIZED HOT W/ RUN/CRNK RELAY ENERGIZED IGN 3 FUSE INSTRUMENT PANEL CLUSTER (IPC) J/C LEFT REAR FUSE BLOCK (UNDER LEFT SIDE OF REAR SEAT) LOGIC NCA WIRE PASSENGER SEAT BELT BUCKLE PASSENGER SEAT BELT RETRACTOR (RIGHT "B" PILLAR) PASSENGER SEAT BELT SWITCH PNK WIRE PPL RED/WHT WIRE RIGHT REAR FUSE BLOCK (UNDER RIGHT SIDE OF REAR SEAT) SEAT BELT IND TAN/WHT WIRE

AUTOMATIC TELEVISION LEVEL ANTENNA CONTROL MODULE (ALC) COMPRESSOR AUTOMATIC TRANSMISSION SHIFT LEVER BLK WIRE BRN WIRE DIGITAL RADIO RECEIVER (IF EQUIPPED) DRIVER PASSENGER LEFT WINDOW WINDOW REAR MOTOR MOTOR WINDOW MOTOR DRIVER SEAT BELT RETRACTOR ELC CMPRSR RELAY ELC EXH FUSE ELECTRONIC SUSPENSION CONTROL (ESC) MODULE FROM DDM FUSE (DIAGRAM 1 OF 6) INCLR PUMP FUSE FROM LPDB 1 FUSE (DIAGRAM RPDB 2 1 OF 6) FUSE FROM POS LAMP ELC FUSE CMPRSR (DIAGRAM FUSE 1 OF 6) GRY WIRE IGN 3 FUSE INCLR PUMP RELAY J/C MRTD MDL FUSE ORG/ WIRE PASSENGER BACK VENTILATED SEAT BLOWER MOTOR (W/ CLIMATE CONTROL SEATS) PASSENGER SEAT BELT RETRACTOR REAR HEATED SEAT CONTROL MODULE REAR HTD/ SEATS FUSE RED WIRE RELAY RF HTD/ SEAT/XM FUSE RUN WIRE SEAT CLIMATE CONTROL MODULE TAN WIRE TO CNSTR VENT FUSE (DIAGRAM 3 OF 6) TO RPDB 1 FUSE (DIAGRAM 3 OF 6) TRAFFIC INFORMATION RECEIVER TV/VICS/ AFS/SCM FUSE UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE COMPT) VEHICLE RIGHT STABILITY REAR CONTROL WINDOW MODULE MOTOR W/ ACTIVE BRAKE CONTROL W/ CLIMATE CONTROL SEATS, FRONT HEATER SEAT W/ INFOTAINMENT SYSTEM W/ INFOTAINMENT W/ VARIABLE REAL TIME DAMPING MAGNETO RHEOLOGICAL SYSTEM 014/015 W/ VARIABLE REAL TIME DAMPING MAGNETO RHEOLOGICAL WHT WIRE WNDW MTRS CIRCUIT BREAKER