Cadillac STS I facelift (2007-2011) instrument panel module (ipm) (right side of dash, behind glove box) Wiring diagrams

1 2 3 4 5 6 IGNITION 1 VOLTAGE 3 27 GND 5 V REF LO REF SENS SIG 42 55 52 SERIAL DATA BUS + SERIAL DATA BUS - TCC/CRUISE CONTROL RELEASE SIG ACCELERATOR PEDAL POSITION (APP) SENSOR (ATTACHED TO TOP OF ACCELERATOR PEDAL) AUTOMATIC TRANSMISSION BLK WIRE BLK/WHT WIRE BRAKE PEDAL POSITION SENSOR (ATTACHED TO TOP OF BRAKE PEDAL ASSEMBLY) BRN WIRE CCP/RLY COILS FUSE COMPUTER COMPUTER DATA LINES DATA LINES SYSTEM SYSTEM COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH CRUISE IND CRUISE SW SIG 21 22 SERIAL DATA GMLAN SERIAL DATA GMLAN DISPLAY DISTANCE SENSING CRUISE CONTROL MODULE (BEHIND FRONT FASCIA, NEAR HOOD LATCH) DK BLU WIRE DK GRN WIRE DRIVER INFORMATION CENTER (DIC) ECM/TCM IGN FUSE ENGINE CONTROL MODULE (ECM) (FRONT OF ENGINE, ON RIGHT VALVE COVER) GMLAN SERIAL DATA GMLAN SERIAL WAKE UP GMLAN SERIAL DATA + GMLAN SERIAL DATA - GROUND GRY WIRE HEAD UP DISPLAY (HUD) (IF EQUIPED) HOT AT ALL TIMES HOT W/ RUN/CRANK RELAY ENERGIZED IGNITION INSTRUMENT PANEL CLUSTER (IPC) INSTRUMENT PANEL MODULE (IPM) (RIGHT SIDE OF DASH, BEHIND GLOVE BOX) LOGIC LT BLU WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL ACCY SUPPLY PPL PPL SOUND SYSTEMS RED WIRE RED/WHT WIRE TAN WIRE TAN/BLK WIRE TCC/CRS CNTL THROTTLE BODY ASSEMBLY (TOP FRONT OF ENGINE) TRANSMISSION CONTROL MODULE (TCM) TURN SIGNAL/MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE YEL 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 IGNITION 1 VOLTAGE 2500 2501 COMPUTER DATA LINES SYSTEM 3 27 GND 5 V REF LO REF SENS SIG 4.6L 53 33 SERIAL DATA BUS + SERIAL DATA BUS - ACCELERATOR PEDAL POSITION (APP) SENSOR (ATTACHED TO TOP OF ACCELERATOR PEDAL) AUTOMATIC TRANSMISSION BLK WIRE BLK/WHT WIRE BRAKE PEDAL POSITION SENSOR (ATTACHED TO TOP OF BRAKE PEDAL ASSEMBLY) BRN WIRE CCP/RLY COILS FUSE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH CRUISE IND CRUISE SW SIG 21 22 SERIAL DATA GMLAN SERIAL DATA GMLAN DISPLAY DISTANCE SENSING CRUISE CONTROL MODULE (BEHIND FRONT FASCIA, NEAR HOOD LATCH) DK BLU WIRE DK GRN WIRE DRIVER INFORMATION CENTER (DIC) ECM/TCM IGN FUSE GMLAN SERIAL DATA GMLAN SERIAL WAKE UP GMLAN SERIAL DATA + GMLAN SERIAL DATA - GROUND GRY WIRE HEAD UP DISPLAY (HUD) (IF EQUIPED) HOT AT ALL TIMES HOT W/ RUN/CRANK RELAY ENERGIZED IGNITION INSTRUMENT PANEL CLUSTER (IPC) INSTRUMENT PANEL MODULE (IPM) (RIGHT SIDE OF DASH, BEHIND GLOVE BOX) LOGIC LT BLU WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL ACCY SUPPLY PPL PPL SOUND SYSTEMS RED WIRE RED/WHT WIRE TAN WIRE TAN/BLK WIRE TCC/CRS CNTL TCC/CRUISE CNTL REL SIG THROTTLE BODY ASSEMBLY (TOP FRONT OF ENGINE) TRANSMISSION CONTROL MODULE (TCM) TURN SIGNAL/MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE YEL 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 IGNITION 1 VOLTAGE 2500 2501 COMPUTER DATA LINES SYSTEM 3 27 GND 5 V REF LO REF SENS SIG 4.6L 53 33 SERIAL DATA BUS + SERIAL DATA BUS - ACCELERATOR PEDAL POSITION (APP) SENSOR (ATTACHED TO TOP OF ACCELERATOR PEDAL) AUTOMATIC TRANSMISSION BLK WIRE BLK/WHT WIRE BRAKE PEDAL POSITION SENSOR (ATTACHED TO TOP OF BRAKE PEDAL ASSEMBLY) BRN WIRE CCP/RLY COILS FUSE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH CRUISE IND CRUISE SW SIG 21 22 SERIAL DATA GMLAN SERIAL DATA GMLAN DISPLAY DISTANCE SENSING CRUISE CONTROL MODULE (BEHIND FRONT FASCIA, NEAR HOOD LATCH) DK BLU WIRE DK GRN WIRE DRIVER INFORMATION CENTER (DIC) ECM/TCM IGN FUSE GMLAN SERIAL DATA GMLAN SERIAL WAKE UP GMLAN SERIAL DATA + GMLAN SERIAL DATA - GROUND GRY WIRE HEAD UP DISPLAY (HUD) (IF EQUIPED) HOT AT ALL TIMES HOT W/ RUN/CRANK RELAY ENERGIZED IGNITION INSTRUMENT PANEL CLUSTER (IPC) INSTRUMENT PANEL MODULE (IPM) (RIGHT SIDE OF DASH, BEHIND GLOVE BOX) LOGIC LT BLU WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL ACCY SUPPLY PPL PPL SOUND SYSTEMS RED WIRE RED/WHT WIRE TAN WIRE TAN/BLK WIRE TCC/CRS CNTL TCC/CRUISE CNTL REL SIG THROTTLE BODY ASSEMBLY (TOP FRONT OF ENGINE) TRANSMISSION CONTROL MODULE (TCM) TURN SIGNAL/MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE YEL WIRE

13 56 10 12 FUEL PUMP CTRL STARTER ENABLE 15 6 LOW SPD GMLAN DATA GROUND 2 19 PNK IGN 1 VOLT TRUNK AJAR SIG WIRE 21 22 LOW SPD GMLAN LOW SPD GMLAN 33 53 55 42 HIGH SPD GMLAN- HIGH SPD GMLAN+ 4 10 BATTERY POSITIVE VOLT GMLAN SERIAL DATA 4 5 15 16 HIGH SPD GMLAN- HIGH SPD GMLAN+ HIGH SPD GMLAN- HIGH SPD GMLAN+ 4 8 GROUND GROUND 5060 5060 COMPUTER DATA LINES SYSTEM 7 9 LOW SPD GMLAN DATA GROUND 9 14 HOOD OPEN SW SIG HOOD CLOSED SW SIG PPL BLK WIRE BLK/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DOOR OPEN SW SIG DRIVER DOOR CONTROL MODULE (INSIDE DRIVER DOOR) DRIVER DOOR LATCH (IN MIDDLE REAR OF DRIVER DOOR) ENGINE CONTROLS SYSTEM GROUND HOOD AJAR SWITCH (ON RIGHT FRONT STRUT TOWER) HORN CTRL HORNS SYSTEM HOT AT ALL TIMES HOT IN RUN OR CRANK INSTRUMENT PANEL CLUSTER (IPC) INSTRUMENT PANEL MODULE (IPM) (RIGHT SIDE OF DASH, BEHIND GLOVE BOX) J/C LEFT HEADLAMP ASSEMBLY LEFT REAR DOOR CONTROL MODULE (LRDM) (INSIDE LEFT REAR DOOR) LEFT REAR DOOR LATCH (IN MIDDLE REAR OF PASSENGER DOOR) LOGIC GMLAN SERIAL DATA LOW SPD GMLAN DATA LT GRN WIRE ORG/BLK WIRE PARK LAMP CTRL PASSENGER DOOR CONTROL MODULE (INSIDE PASSENGER'S DOOR) PASSENGER DOOR LATCH (IN MIDDLE REAR OF LEFT REAR DOOR) PNK WIRE PPL REAR COMPARTMENT LID LATCH (CENTER REAR OF REAR COMPT LID) REAR INTEGRATION MODULE (RIM) (IN LEFT SIDE OF REAR COMPT, UNDER REAR SHELF) RED/BLK WIRE REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) (UNDER REAR SPEAKER SHELF) RIGHT REAR DOOR CONTROL MODULE (RRDM) (INSIDE RIGHT REAR DOOR) RIGHT REAR DOOR LATCH (IN MIDDLE REAR OF RIGHT REAR DOOR) RIGHT REAR FUSE BLOCK (UNDER RIGHT SIDE OF REAR SEAT) RIM FUSE RIM/RPA/ ISRVM/CLM FUSE SECURITY IND STARTING/ CHARGING SYSTEM TAN WIRE TAN/BLK WIRE TRUNK DIODE WHT WIRE YEL WIRE YEL/BLK WIRE

13 3 RR TURN SIGN SUPPLY VOL LR TURN SIGN SUPPLY VOL 3 1 4 2 INTERIOR BACK LIGHT LAMP SIGNAL SUPPLY VOLTAGE GROUND LIGHTS SYSTEM AUTO BLK WIRE BLK/WHT WIRE BLU WIRE BRAKE PEDAL POSITION SENSOR (ATTACHED TO TOP OF BRAKE PEDAL ASSEMBLY) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DK LT GMLAN SERIAL DATA GROUND DISTRIBUTION SYSTEM HAZARD SWITCH HOT AT ALL TIMES I/P MDL/ ALDL FUSE V/ CHECK FUSE INSTRUMENT PANEL CLUSTER (IPC) INSTRUMENT PANEL MODULE (IPM) (RIGHT SIDE OF DASH, BEHIND GLOVE BOX) LAMP LEFT LEFT FRONT REPEATER LAMP LEFT FRONT TURN SIGNAL LAMP LEFT LICENSE LAMP LEFT TURN SIGNAL IND LIC DIM FUSE LOGIC LT BLU WIRE LT BLU/WHT WIRE LT DK LT TRN/ LDW FUSE RIM FUSE MASTER LIGHTNING IND OFF PARK HEAD PARK LAMP RELAY PARK LAMP RLY CTRL POWER DISTRIBUTION SYSTEM REAR INTEGRATION MODULE (RIM) (IN LEFT SIDE OF REAR COMPT, UNDER REAR SHELF) RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT RIGHT FRONT REPEATER LAMP RIGHT FRONT TURN SIGNAL LAMP RIGHT LICENSE RIGHT REAR FUSE BLOCK (UNDER RIGHT SIDE OF REAR SEAT) RIGHT TURN SIGNAL IND TO UNDERHOOD FUSE BLOCK LT PARK FUSE, (DIAGRAM 2 OF 2) TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE COMPT) W/ GPS 1, HID W/ HID WHT WIRE YEL WIRE YEL/BLK WIRE

12 24 21 FOG LAMP SW SIG HI BEAM SW SIG GMLAN SER DATA 13 23 22 14 FLASH TO PASS SW SIG HEADLAMP ON SIG SENTINEL DISPLAY SPLY VOLTAGE 7 3 PPL PWM SIG RLY CTRL AIR CONDITIONING SYSTEM AUTO BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/WHT WIRE FOG LAMPS IND FRONT FOG LAMP SWITCH FUSE GMLAN SERIAL DATA GRY WIRE HI BEAM RELAY HIGH BEAM IND HOT AT ALL TIMES HVAC CONTROL MODULE (CENTER OF DASH, BELOW RADIO) I/BEAM FUSE INSIDE REARVIEW MIRROR (ISRVM) INSTRUMENT PANEL CLUSTER (IPC) INSTRUMENT PANEL MODULE (IPM) (RIGHT SIDE OF DASH, BEHIND GLOVE BOX) LEFT FRONT DASH SPEAKER CONNECTOR) LO BEAM RELAY LOGIC LOW FTP LOW REF LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT LO BEAM FUSE OFF PARK HEAD ORG/ WIRE PNK/WHT WIRE PPL RED/WHT WIRE RT HI LT HI BEAM BEAM FUSE FUSE RT LO BEAM SENSOR SIG SER DATA SUNLOAD SENSOR (CENTER OF DASH, IN DEFROSTER GRILLE) TAN WIRE TAN/WHT WIRE TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE COMPT) W/ HIGH INTENSITY DISCHARGE W/ INTELLIGENT HIGH BEAM CONTROL W/O HIGH INTENSITY DISCHARGE W/O INTELLIGENT HIGH BEAM CONTROL WHT WIRE WIPER/WASHER SYSTEM YEL WIRE

BLK WIRE DK GRN WIRE HIGH NOTE HORN HORN ASSEMBLY (LEFT FRONT CORNER OF VEHICLE) HORN FUSE HORN RELAY HORN RELAY CONTROL HORN SWITCH HOT AT ALL TIMES INSTRUMENT PANEL MODULE (IPM) (RIGHT SIDE OF DASH, BEHIND GLOVE BOX) LOW NOTE HORN NCA WIRE SIDE OF ENGINE COMPARTMENT) TAN WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT

1 2 3 I/P LAMP FUSE SPLY VOLT 1 BACKLIGHT LAMP CTRL LED BACKLIGHT DIMMING CTRL BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CRUISE CONTROL SYSTEM POWER DISTRIBUTION SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DK GRN/YEL WIRE EXTERIOR LIGHTS SYSTEM POWER DISTRIBUTION SYSTEM GRY WIRE HEADLAMP WASHER RLY CTRL HOT AT ALL TIMES HOT W/ PARK LAMP RELAY ENERGIZED I/P MDL/ ALDL FUSE INSTRUMENT PANEL MODULE (IPM) (RIGHT SIDE OF DASH, BEHIND GLOVE BOX) INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM NAVIGATION, SOUND SYSTEMS LIC/DIM FUSE LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/WHT WIRE ORG/ WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM PPL PPL REMOTE RADIO CTRL HEAD ACC SPLY VOLT IGN MODE SW OFF LED SIG RED WIRE RED/WHT WIRE SIDE OF ENGINE COMPT) STOP LAMP SW SIG RUN/CRANK IGN 1 VOLTAGE PNK WIRE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT V/ CHECK FUSE WHT WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/BLK WIRE